WO2004102203A1 - 超音波プラットフォーム型マイクロチップ及びアレイ状超音波トランスデューサの駆動方法 - Google Patents
超音波プラットフォーム型マイクロチップ及びアレイ状超音波トランスデューサの駆動方法 Download PDFInfo
- Publication number
- WO2004102203A1 WO2004102203A1 PCT/JP2004/006813 JP2004006813W WO2004102203A1 WO 2004102203 A1 WO2004102203 A1 WO 2004102203A1 JP 2004006813 W JP2004006813 W JP 2004006813W WO 2004102203 A1 WO2004102203 A1 WO 2004102203A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ultrasonic
- transducer
- platform
- flow
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502769—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by multiphase flow arrangements
- B01L3/502784—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by multiphase flow arrangements specially adapted for droplet or plug flow, e.g. digital microfluidics
- B01L3/502792—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by multiphase flow arrangements specially adapted for droplet or plug flow, e.g. digital microfluidics for moving individual droplets on a plate, e.g. by locally altering surface tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0819—Microarrays; Biochips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0433—Moving fluids with specific forces or mechanical means specific forces vibrational forces
- B01L2400/0439—Moving fluids with specific forces or mechanical means specific forces vibrational forces ultrasonic vibrations, vibrating piezo elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0493—Specific techniques used
- B01L2400/0496—Travelling waves, e.g. in combination with electrical or acoustic forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/50273—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means or forces applied to move the fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502738—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by integrated valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502746—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the means for controlling flow resistance, e.g. flow controllers, baffles
Definitions
- the present invention relates to a single-type microchip having a fine flow path on a substrate, and more specifically, to an h-lantus transducer layer having an array-type ultrasonic transducer and a signal control element.
- a flow-type microchip with a formed flow path was constructed, and various functions were performed on the fluid by controlling the signal of an arbitrary ultrasonic or acoustic transducer.
- the present invention relates to a platform-type microchip and a method of driving an ultrasonic transducer in the chip.
- This research field is called ⁇ AS (MicroTota 1Ana 1ysis Systems) and has many advantages compared to conventional laboratory analyzers, including: have.
- the analysis time can be reduced,
- the analyzer can be made smaller and more portable.Solvents and solvents used can be reduced, and the cost of analysis can be reduced.
- It is expected to be a new technology that can be realized on site.
- by developing a system that integrates sensor and electronic circuits on the TAS chip and lip in addition to the flow path and pump for chemical reactions even the smallest ones have tabletop sizes. It is expected that chemical systems will be reduced in size to fit in the palm of hand.
- HTAS chips that have been proposed in the past are flow-type microchips that perform agitation, mixing reaction, fractionation, etc. while flowing a fluid on the chip.
- a micro-capillary electrophoresis chip that performs pretreatment and separation by moving a fluid by creating a high-voltage gradient in the flow path and performs non-contact conductivity measurement of biological materials on a single substrate , Micro Tota 1 A ⁇ a 1 ysis Systems 200 pp.
- Japanese Patent Application Laid-Open No. 2002-229225 discloses a countermeasure.
- a chemical reaction system in which a predetermined number of micro-mouth chips with micro-channels as reaction areas communicating with the raw material liquid introduction section, reaction product liquid discharge section, and the reaction area are integrated with the mussels layer. Disclosed o Only microchannels (microchannels) are formed on each chip of this system, and the molecular diffusion distance is short as a chemical reaction field and the relative area is large.
- the flow path and the flow path are designed so that various reactions such as complex reaction, solvent extraction, immunoreaction, enzyme reaction, and ion pair extraction reaction can be efficiently performed.
- high-efficiency, large-volume organic mixing is possible by stacking and integrating chips in parallel.
- the publication No. 01-15800000 discloses a single-function chip in which a plurality of parts each having the same function and the same mechanism are arranged in one chip by using the light beam method.
- a chemical reaction circuit has been disclosed that is formed and composed of chips with different single functions in multiple layers.
- the new publication includes all the functions required for one microchip.
- Single-purpose chemical ICs have problems in terms of versatility, responsiveness, and expandability of functions.
- TAS is suitable for high-mix low-volume production and individual production, and is superior in terms of manufacturing time and cost.o
- Valve chip, 3rd layer chip is ⁇ U chip chip
- Japanese Patent Application Laid-Open No. 2002-163022 discloses a sol-gel transition by stimulating a fluid flowing through a micro channel of a micro system.
- a microfluidic substance stimulates a desired location on the microchannel, and gels the fluid to control the flow. Without using a valve structure, it is possible to stop the flow of fluid in the micro system and adjust the flow rate and flow velocity,
- microchannel micro flow channel
- Japanese Patent Laid-Open Publication No. In the case of such a chemical integrated circuit, since various microchips are formed by an optical method, it is necessary to use only parts such as a valve and a connector.
- an object of the present invention is to provide a versatile, responsive, and function-expandable production time without changing the fluid composition and without impairing various methods represented by a liquid layer microspace. It is an object of the present invention to provide a method for driving an ultrasonic platform microphone and an array-type ultrasonic transducer which can be manufactured at a short cost.
- the first feature of the present invention is that
- a micro-chip used in a chemical analysis system, a micro-chip having a fine flow path through which a fluid flows on a substrate is used.
- a common platform consisting of a lancer layer having an arrayed ultrasonic transducer and a signal control circuit layer;
- the PB flow type micro-chip is characterized by being built on the common platform of the word “J”.
- the second feature of the present invention is that
- a method of driving an array-type ultrasonic transducer formed under a flow-type microchip having a fine flow path on a substrate
- FIG. 1 shows a first embodiment of the present invention, and is a cross-sectional view showing a basic configuration of an ultrasonic flat-form microchemical analysis system according to the present invention.
- Fig. 2 is a plan view of the transducer layer in Fig. 1.
- Fig. 3 is an embodiment of an ultrasonic flat-form microphone.
- FIG. 3 is a plan view of stacked micro-type mouth chips.
- FIG. 4 is a cross-sectional view of the ultrasonic platform-type micro-mouth chemical analysis system shown in FIG.
- FIG. 5 is a diagram for explaining the function of the pump J, which is the first function of the first embodiment.
- FIG. 6 shows the first function of the first embodiment, “Pump J FIG.
- FIG. 5 illustrates the first function of the first embodiment, “The operation of the pump J is described. An example in which an ultrasonic transducer is arranged along the flow path immediately below the microchip flow path is shown. It is the figure shown
- FIG. 8 illustrates the function of the first function of the first embodiment, “The function of the pump J. An example in which an ultrasonic transducer is arranged along the flow path immediately below the microchip flow path is shown. It is the figure shown
- FIG. 9 is a diagram illustrating an example of a case where an ultrasonic transducer for generating a surface wave is used to explain the function of the pump J, which is a first function of the first embodiment. It is.
- FIG. 10 illustrates the operation of the “pump”, which is the first function of the first embodiment, and shows another example in which a surface wave is generated.
- FIG. 11 is a diagram for explaining the operation of the “valve”, which is the second function of the first embodiment.
- FIG. 12 is a diagram for explaining the operation of the ⁇ Palve J, which is the second function of the first embodiment.
- FIG. 13 is a diagram for explaining the operation of the "valve" which is the second function of the first embodiment.
- FIG. 14 illustrates the operation of the second function of the first embodiment, that is, the “pulse”, and is a view in which other configuration examples are not illustrated.
- FIG. 15 shows the second function of the first embodiment.
- FIG. 14 is a diagram for explaining the operation of the configuration shown in FIG. 14
- FIG. 16 is a diagram illustrating the operation of the “thermometer” that is the third function of the first embodiment.
- FIG. 17 illustrates the operation of the “thermometer”, which is the third function of the first embodiment, and is a diagram showing a change state of a tone burst wave.
- FIG. 18 is a diagram for explaining the operation of the “thermometer” that is the third function of the first embodiment.
- FIG. 19 is a characteristic diagram illustrating the function of the “thermometer”, which is the third function of the first embodiment, and showing the characteristics of the flow velocity.
- FIG. 20 is a diagram for explaining the operation of the mixer J, which is the fourth function of the first embodiment.
- FIG. 21 is another example of the first embodiment, and is a diagram for explaining the operation of the optical absorptiometer by the Futtodi-F.
- FIG. 22 is a diagram of the first embodiment. It is another example of a form, and is a figure explaining the effect
- FIG. 23 shows another example of a structure of 1st Embodiment. Figure
- FIG. 24 is a diagram showing temperature characteristics to explain still another configuration example of the first embodiment.
- FIG. 25 is a sectional view showing a modification of the first embodiment.
- FIG. 26 is a sectional view showing another modified example of the first embodiment.
- FIG. 27 is a cross-sectional view showing still another modified example of the first embodiment.
- FIG. 28 is a view showing a second embodiment of the ultrasonic platform type microchemical analysis system of the present invention.
- FIG. 29 is an ultrasonic platform form of the present invention.
- FIG. 30 is a diagram showing a third embodiment of the type microchemical analysis system according to the present invention.
- FIG. 30 shows an ultrasonic platform type microphone mouth chemical analysis system according to the third embodiment.
- an ultrasonic platform type microchip a fluid is measured and controlled by an ultrasonic wave.
- the ultrasonic wave can pass through the film or plate if it is acoustically matched.2
- Etc By increasing the frequency, even small sound power can induce a phenomenon associated with sound nonlinearity.
- FIG. 1 shows a first embodiment of the present invention, and is a cross-sectional view showing a basic configuration of an ultrasonic platform type microchemical analysis system according to the present invention
- FIG. 2 is a sectional view of FIG. It is a top view of a transducer layer.
- Figure 3 shows an embodiment of an ultrasonic platform-type liquid mouth chemical analysis system.
- FIG. 4 is a plan view showing a transparent micro-micron ⁇ chip on a mussel layer.
- FIG. 4 is a cross-sectional view of an ultrasonic platform micro-micron mouth chemical analysis system.
- the first embodiment of the present invention is configured as follows.
- the basic ultra-high-voltage platform-type microphone mouth chemical analysis system 10 shown in FIG. 1 is a single platform having a signal control circuit layer 12 and a trans-fuser layer 14. It has a form 16 and a transparent floor-type mark P chip 18 formed on the common platform 16.
- the control circuit layer 12 has a plurality of processing circuits
- the transducer layer 14 having 20 is formed of a plurality of array-like super-transducer tubes arranged along the direction of fluid flow, as shown in FIG. 2 2.
- the ultrasonic transducer 22 can convert an input voltage into a vibration (ultrasonic wave), or convert the input vibration into a voltage.
- the HIJ transducer layer 1 4 is an array-like
- the continuity is ensured by the connection between the translator 22 and the processing circuit 20 in the signal control circuit layer via the wiring 2. It is configured so that signal control such as driving and sensig can be performed on the ultrasonic transducer.
- signal control such as driving and sensig can be performed on the ultrasonic transducer.
- ssd common platform 1
- the type 1 mark ⁇ chip 18 is made of resin or glass, and the flow type microphone tip chip 1 One
- a flow path 28 according to the purpose is formed in the inside of the pipe 8.
- the flow path 28 is separately formed on a resin substrate and fixed on the common platform separately from the common platform.
- FIG. 3 and FIG. 4 are views showing one embodiment of an ultrasonic platform-type microphone mouth chemical analysis system according to the first embodiment. It monitors the fluid temperature while using two reagents
- a photodetector 32 is provided on a part of the signal control circuit layer 12 of the common platform 16. You. This common S-type 7 ° platform 16 is formed on a silicon substrate by a semiconductor process.
- the signal control circuit layer in the common platform 16 is used.
- a plurality of processing circuits 20 photodetectors 32 are arranged.
- a plurality of ultrasonic transducers in an array are provided.
- the transducer 22 is connected to the processing circuit 20 by wiring 2.
- a through hole 14a is formed in the upper part of the two parts.
- the conductive layer 14 is connected to the signal control circuit layer 12 by the wiring 24, and a predetermined c MUT is formed. It has a configuration that allows signal control.
- microchip side has a porous silicon layer formed on the transducer layer 14 by, for example, anodizing silicon.
- An acoustic matching layer 34 made of a U-conformer is provided, and a flow path layer 36 and a flow path 38 are formed on the acoustic matching layer 34. Further, a force bar 40 is provided on the flow channel layer 36 and the flow channel 38.
- the flow path 38 in the micro-chip is connected to the transducer layer 1. 4, any super standing
- the transducer 22 irradiates the fluid with ultrasonic waves to generate a distribution of sound pressure intensity in the direction in which the fluid flows, so that the following four functions can be achieved. It is configured ,
- the first function is a “pump” that moves the fluid along the flow path
- the second function is a “valve J” that controls the flow rate of the fluid
- the third function is the third function.
- the fourth function is “mixer that mixes and mixes different types of fluids”.
- the upstream side of the flow path 38 is An inlet for one reagent (an inlet for a flow channel) 42 a and an inlet for a reagent 42 b for a reagent inlet, and an inlet 44 for a sample for inputting a sample are provided.
- one air outlet (flow path outlet) 46 is provided on the downstream side of the flow path 38.
- the pump transducer 22 a as the above-described first function is disposed along the flow path 38.
- a mixing lantensor 22d as a fourth function is arranged at a substantially central portion of the flow path 38.
- each upstream side of the branch portion of the flow path 38, and? Downstream of the comparison transformer teuser 22 d, a lance transformer 22 b for the second function is disposed, respectively.
- a forty technician 32 is provided below the channel 38 on the upstream side of the aerretlet.
- the ultrasonic platform microchemical analysis system is configured such that an inlet 44 and an outlet 46 are connected as shown in FIG. With flow path 3 8 Along each outer side of 4, each of n ultrasonic transducers 50! , 5 0 2, ⁇ , 5 0 n 3 ⁇ 4 l 5 2 2, 5 2 2, ⁇ , 5 2 ⁇ is the deployed configuration.
- the signal supplied to 5 2 eta is that each of the radiating sound pressure, Transducer 50 i (52 2 ) near inlet 4 4 Transducer 50 2 (5 2 2 ) ⁇ ... Transducer 50 n near 5 6 in the order of 2 n), is set such that the driving voltage increases.
- each ultrasonic preparative La Nsudeyu one support sO i 5 0 2, ⁇ , 5 0 ⁇ and 5 2 i, 5 22, ... , 5 2n vibrates according to the drive signal and emits ultrasonic waves in a direction different from the direction in which the fluid flows.
- the ultrasonic waves emitted from each ultrasonic transducer generate an acoustic stream (straight stream) away from the sound source due to its nonlinearity.
- the sound stream is bent in the direction of higher sound pressure. Therefore, macroscopically, a flow field from the inlet 44 to the artlet 46 is formed.
- n ultrasonic transducers are arranged along both outer sides of the flow path, As described above, the voltage applied to at least one ultrasonic transmitting means is made different from the voltage applied to the remaining ultrasonic transmitting means. Alternatively, the sound pressure intensity near at least one of the ultrasonic transmitting means is made different from the sound pressure intensity near the remaining ultrasonic transmitting means so that the fluid is moved along the flow path. Function can be achieved.
- ultrasonic transducers 54 arranged directly below the microchip flow path 38 along the flow path 38.
- 54, 2 and 54 n are also achievable.
- the respective radiated sound pressures are the transducers 54 i ⁇ Transducer near the inlet 44.
- the drive signal is supplied in the order of the transducers 54 n near the outlet 46 with the sound wave emission time shifted.
- Ultrasonic waves radiated from each transducer generate an acoustic stream (straight stream) in the direction away from the sound source.
- the acoustic stream is bent in a direction in which the sound pressure at each time is high, and a flow field from the inlet 44 to the outlet 46 can be formed on a time average. In other words, even with time control, 6 functions can be achieved.
- the transducer 5 near the inlet 44 may be used. 4 ⁇ ⁇ in order of door La Nsudeyusa 5 4 2 rather ... ⁇ capital La Nsudeyusa 5 4 n of ⁇ ⁇ door Re' door 4 near the 6, by setting the in vibration amplitude at a certain time is large as much as possible the drive signal, "pump Function can be achieved.
- the ultrasonic transducers respectively arranged below the entrance of the branch flow path are separately driven by a predetermined signal.
- a continuous wave whose frequency is sufficiently shorter than the flow path dimension and whose drive voltage is set so as to have a high radiation sound pressure is applied.
- the ultrasonic wave emitted from the ultrasonic transducer is a continuous wave with a wavelength that is sufficiently shorter than the flow path size, and as shown in Fig. 12, stands up.
- this area becomes a barrier for fluid movement.
- the present invention is also applicable to the case of a flow path 60 having two inlets 62 a and 62 b and one outlet 64.
- the ultrasonic transducer can locally generate the sound pressure intensity distribution and generate resistance to the flow of the fluid in the portion where the distribution occurs. As a result, it is possible to achieve a “valve” function capable of performing on / off switching of the fluid, direct flow adjustment, quantification, and the like.
- the transducer can provide a distribution of a desired sound pressure intensity in a direction in which a fluid flows, if it can generate a desired sound pressure intensity distribution, It may be arranged on the lower part, left and right, one side or both sides of the flow path, and the arrangement and number thereof are not limited.
- an ultrasonic transmitting means for transmitting ultrasonic waves.
- An ultrasonic transducer 761 is provided, and an ultrasonic transducer 762 for receiving waves as ultrasonic wave receiving means is arranged near the outlet 74.
- the ultrasonic transducer for transmission 76 i provided at the lower part of the inlet 72 of the flow channel 70 of the flow-type microchip shown in FIG. 16 is driven by a tone burst wave.
- the transmitted tone burst wave is sent to the inlet 72 and the outlet 74 while being attenuated, and is separated by a predetermined distance L.
- the receiving ultrasonic transducer outputs an output signal that can determine that the ultrasonic wave has been received.
- the sound velocity value c obtained by the above equation (1) is expressed by the function c (t).
- the temperature 9 degrees t: ⁇ ⁇ ⁇ Therefore, the temperature is measured by measuring the fluid temperature by performing the above-described processing in the signal processing circuit layer using two ultrasonic transducers arranged at a predetermined distance below the flow path. Function can be achieved.
- the channel is larger than the channel width on the channel of the microchip.
- a liquid collection cell 86 is provided under the liquid collection cell 86. Under the liquid collection cell 86, a two-dimensional matrix-like ultrasonic transducer 888 (1 ,), 88 (1 , 2) is provided. ),
- a predetermined drive signal is supplied in an irregular order to a plurality of acoustic transducers arranged in a dimensional matrix below the liquid collection cell.
- the ultrasonic waves radiated from each of the ultrasonic transducers cause the sound stream to move away from the sound source due to the nonlinearity.
- the stirring is performed in the liquid collecting cell that can generate a more complicated flow, but the stirring may be performed in the flow path.
- the arrangement of the ultrasonic trans- lator users is not limited to the two-dimensional matrix. Further, it is not always necessary to move them in an irregular order, and the sound pressure intensity near at least one of the ultrasonic wave transmitting means and the sound pressure intensity near the remaining ultrasonic wave transmitting means change with time. By doing so, a complicated flow may be generated.
- an optical absorptiometer is further provided downstream of the “mixer” function.
- the operation of the photoabsorber using the photodiode will be described. 2
- a light source installed above the flow-type
- Predetermined light is emitted toward 80. Then, the light transmitted through the magic port V-channel 80 is detected by the photodetector 32 provided across the signal control circuit layer 12.
- the fluid control process of quantifying and mixing two reagents and one sample while monitoring the fluid temperature is all performed on the trans-layer of the common platform. It can be achieved only by the combination of arbitrary ultrasonic transducers, and the optical absorption measurement is also realized by the chemical analysis system using the signal processing layer of the common platform.
- Saibo-Platform-Microphone-Chemical-analysis system for the common platform and microchip can be separately manufactured using a silicone pump process and resin processing, respectively. For this reason, this system has a versatile and responsive function required for microchips without impairing various advantages typified by the liquid layer microspace, and has a standardized common platform format. Since the system can be manufactured by the simplicity process, the manufacturing time is short, and ⁇ -slot can be reduced. Further, in the embodiment, it is not necessary to change the fluid composition.
- this system does not require the construction of complicated fluid control tables (for example, parves, etc.) on ⁇
- Optimum control of the frequency or amplitude, or the irradiation time or irradiation time, of the sound wave of the opening mouth by controlling the ultrasonic transducer signal of the common platform according to the purpose of the chip
- the functions required for fluid control can be achieved.
- the flow path on the microchip can be appropriately changed according to the purpose.
- the number of fluid control elements is not limited to the four shown in the present embodiment, and may be achieved more or conversely, one element may be provided for one common platform.
- the transducer can produce the desired sound pressure intensity distribution in the fluid flow direction, the , Lower left and right, one side or both sides of the flow path. It is not limited to immediately below the flow path or on both outer sides.
- the signal control circuit formed by the semiconductor process may be a CMOS, a bipolar, a photo diode, a bi-CMOS, or the like.
- the transducer layer and the signal control circuit layer of the dtfc communication platform may be separately manufactured and then assembled by bonding, bonding, etc., while ensuring continuity.
- the present system may be configured such that the transducer 22 c for the thermometer shown in FIG. 3 is replaced with a transuser 22 e for a current meter as shown in FIG. More specifically, utilizing the fact that the sound velocity C is given by a fluid given as a function of the temperature t, if the distance L, the type of fluid, and the temperature t are known, as shown in Fig. 24, Since the sound speed C (t) in the f-plate is obtained, the flow velocity U is obtained from the equation (1). Therefore, two super-stands placed at a certain distance below the flow path
- a “velocimeter” function of measuring the flow velocity of the fluid can be achieved.
- the time difference between the transmission and reception (sound wave detection)
- the time difference between the input dynamic signal and the output signal from the reception means may be configured to measure the difference in frequency, or the intensity of an input or output signal according to the intensity of the ultrasonic wave, the intensity difference between the driving signal and the output signal, etc.
- the ultrasonic transducer described above may be used as the ultrasonic wave transmitting / receiving means that also serves as the wave transmitting means and the ultrasonic wave receiving means. Further, it may be configured such that the function as the ultrasonic wave transmitting means and the function as the wave receiving means can be switched according to the time, purpose, or the like.
- the ultrasonic transducer is not limited to the cMUT, and may be a piezoelectric thick film or a piezoelectric thin film manufactured by a spray deposition method, a sol-gel synthesis method, a hydrothermal synthesis method, a sputtering method, or a printing method.
- Well bal Polished piezoelectric material may be used,
- trans-layer 14 is directly in contact with the flow path 28 of the plug-in chip 18 a may be used.
- the sound-aligned material is provided between the channel layer 14 and the flow path 28 of the tip-type microchip 18a.
- the layer ( ⁇ layer 34) may be composed of a porous silicon made by anodizing the silicon, or the flow type micro chip itself. Becomes a sound matching layer
- It may be made of a protective resin, or it may have a micro-tip 18a and pass it through and fix it to the platform 16.
- the basic structure of the ⁇ -type microphone chip is the same as that of the ultrasonic platform-type microphone ⁇ chemical analysis system of the first embodiment described above. Achieve objectives by combining multiple common platform forms for each mission Configuration.
- the first common platform 110 a has a plurality of channels 100 having reagent inlets 42 and pumps corresponding to these channels 100. It has a transducer 22 a and a current meter transducer 22 e.
- the second common platform 11 Ob comprises a plurality of channels 102 having sample inlets 44 and a pump transducer 2 corresponding to these channels 102. 2 a and a transducer 22 e for a current meter.
- the third common platform 1 1 1 1 to 1 1 2 5 are an inlet for the first common platform 110 a and a second common platform 1 10 b.
- Flow passage 104 with an inlet and one outlet 46, a transducer 22 b for a valve, a transducer 22 d for mixing (for a mixer), and a photodetector 3 2.
- the third common platform 1 1 2 i to 1 1 2 5 correspond to the channels 1 0 0 and 1 0 b of the first and second common platforms 1 1 0 a and 1 1 0 b.
- the number corresponding to the number of 2 is prepared. For example, as shown in FIG. 28, if the number of the channels 100 and 102 is 5 as shown in FIG. 28, two micro-chips are used for each channel. Five third common platforms 1 1 2 i to 1 1 2 5 having a channel 104 having an inlet are combined.
- the second embodiment is effective in a case where a large number of fluids are to be processed in the same process, and is specifically applicable to a chemical plant or the like.
- the flow path on the microchip can be appropriately changed according to the purpose.
- the number of fluid control elements is not limited to four as shown in the form B of the second embodiment, and may be achieved more.
- the basic configuration of the common flash form and the mouth-type microchip in the third embodiment is the same as that of the first embodiment described above. Same as the analysis system, except that an ultrasonic viscometer is configured as a fluid control element
- the ultrasonic viscometer according to the third embodiment includes a vibrating Km wave (thickness-slipping type or SAW type), which is in parallel with the flow path 100 of the micro microphone opening tip. 106 and a resonance circuit (not shown in Fig. 29) that uses an ultrasonic transducer as an element of the resonance circuit, and a signal control circuit that detects the viscosity of the fluid from the frequency change of the resonance circuit Being, Next, the operation of the third embodiment will be described.
- Km wave thickness-slipping type or SAW type
- the ultrasonic device When an ultrasonic device that generates a surface wave, such as SAW, is brought into contact with a fluid and vibrated, a load corresponding to the viscosity is applied to the ultrasonic transducer, and the apparent resonance frequency decreases.
- the ultrasonic device has a DC resistance component, a coil component, and a capacitance component in an equivalent circuit, so that it can be combined with other electrical elements such as a capacitor.
- a resonant circuit can be constructed
- the output of the resonance circuit is monitored, whereby a decrease in the resonance frequency of the user of the ultrasonic translator can be obtained in real time.
- a wave platform type microchemical analysis system is used in order to use the resonance circuit as a circuit of the signal control circuit layer of the common platform (for example, the processing circuit 20 in FIG. 11).
- the resonance circuit As a fluid control element of the stem, it is possible to achieve a "viscometer" function
- FIG. 30 is a diagram showing an example of the configuration of an ultrasonic platform type marker / chemical analysis system according to the third embodiment of the present invention.
- a first common platform is shown.
- Form 1 1 4a is
- transducer 22 a for the pump corresponding to 0, a translator 22 e for the flow meter, and a transducer 22 f for the viscometer.
- the second common blot form 114b has a stream with sample inlets 44.
- a pump transformer 22a corresponding to the flow path 102, a flowmeter transducer 22e, and a viscometer transducer 22f. Is configured.
- the third common platform 1 16 is composed of the above-mentioned first izt platform platform 114 a inlet and the second platform platform 114 b Flow path 104 having an inlet for mixing and one feedlet 46, a transducer 22 b for pulsing, a transducer for mixing (for mixer) 22 d, and a pump Detector 32
- the basic configuration of the fourth embodiment is the same as that of the first embodiment described above.
- the transducer layer and signal control circuit layer of the through-platform are manufactured on separate substrates to ensure conduction between the layers. Assembled by gluing or joining
- This configuration is effective when the signal control circuit cannot handle the high-temperature processing required to increase the gain of the lancer layer.
- the high-temperature resistance of a CMOS circuit is about 20%.
- the characteristics of the substrate of the transducer layer can be improved, for example, by making the transducer fine.
- Ultrasonic wave transmitting means for irradiating the fluid in the flow path with a wave in a direction different from the direction in which the fluid flows, thereby generating a sound pressure intensity in the direction in which the fluid flows
- a flow path device comprising:
- a plurality of ultrasonic wave transmitting means arranged along the direction so as to irradiate ultrasonic waves to the fluid in the flow path and generate a sound pressure intensity distribution in a direction in which the fluid flows,
- a flow path device comprising:
- Ultrasonic transmitting means arranged to irradiate the wave in a direction different from the direction in which the fluid flows in the fluid in the flow path;
- a fluid control garment characterized by controlling the fluid by generating a distribution of the sound pressure intensity of the ultrasonic waves in the flow direction of the fluid.
- the ultrasonic wave transmitting means is an ultrasonic wave transmitting means for transmitting an ultrasonic wave in response to an input motion signal.
- the ultrasonic wave receiving means includes an electric signal and an ultrasonic wave. It is an ultrasonic transducer that converts between 3 and
- the fluid control device wherein the ultrasonic transducer forms a part of a resonance circuit and can detect a change in a vibration frequency of the resonance circuit.
- a fluid control device characterized in that the fluid is controlled by generating a distribution of the sound pressure intensity of the ultrasonic waves in the direction in which the fluid flows.
- the fluid comprises a plurality of fluids having different physical properties or shapes.
- a desired pressure intensity distribution is produced by controlling the frequency or amplitude or the irradiation time or the irradiation time of the ultrasonic waves to be irradiated, wherein the desired pressure intensity distribution is generated.
- Fluid control device
- the ultrasonic wave transmitting means is an ultrasonic wave transmitting means for transmitting an ultrasonic wave in accordance with an input drive signal
- ⁇ ⁇ It is characterized by further comprising an ultrasonic wave receiving means which is arranged at a predetermined distance from the ultrasonic wave transmitting means, ⁇ m and receives ultrasonic waves transmitted and converts them into output signals. Fluid control described in 12)
- the ultrasonic wave receiving means outputs an output signal capable of determining that the ultrasonic wave has been received.
- the ultrasonic wave receiving means is a wave transducer that converts an electric signal and a wave to each other,
- the m-claim 12 is characterized in that the ultrasonic transducer user forms a part of a resonance circuit and can detect a change in the vibration / vibration frequency of the dtt vibration circuit.
- a fluid control device as described.
- ADVANTAGE OF THE INVENTION According to this invention, it can be manufactured at a low manufacturing cost with a short manufacturing time while having versatility, responsiveness and function expandability without changing the fluid composition and without impairing various features represented by the liquid layer microspace.
- a method for driving an ultrasonic flat-form microchip and an array-type ultrasonic trans- former can be obtained.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Clinical Laboratory Science (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Micromachines (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/274,659 US20060078473A1 (en) | 2003-05-16 | 2005-11-15 | Ultrasonic platform type microchip and method of driving array-shaped ultrasonic transducers |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-139170 | 2003-05-16 | ||
| JP2003139168A JP2004340820A (ja) | 2003-05-16 | 2003-05-16 | 超音波プラットフォーム型マイクロチップ及びアレイ状超音波トランスデューサの駆動方法 |
| JP2003-139168 | 2003-05-16 | ||
| JP2003139170A JP2004340821A (ja) | 2003-05-16 | 2003-05-16 | 流路デバイス及び流体制御装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/274,659 Continuation US20060078473A1 (en) | 2003-05-16 | 2005-11-15 | Ultrasonic platform type microchip and method of driving array-shaped ultrasonic transducers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2004102203A1 true WO2004102203A1 (ja) | 2004-11-25 |
| WO2004102203A8 WO2004102203A8 (ja) | 2005-04-07 |
Family
ID=33455493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/006813 Ceased WO2004102203A1 (ja) | 2003-05-16 | 2004-05-13 | 超音波プラットフォーム型マイクロチップ及びアレイ状超音波トランスデューサの駆動方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20060078473A1 (ja) |
| WO (1) | WO2004102203A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007028820A1 (de) * | 2005-09-09 | 2007-03-15 | Siemens Aktiengesellschaft | Vorrichtung und verfahren zur bewegung einer flüssigkeit mittels eines piezoelektrischen transducers |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117772C2 (de) * | 2001-04-09 | 2003-04-03 | Advalytix Ag | Mischvorrichtung und Mischverfahren für die Durchmischung kleiner Flüssigkeitsmengen |
| KR20050062897A (ko) * | 2003-12-19 | 2005-06-28 | 한국기계연구원 | 계면 교차방향 초음파 방사형 마이크로믹서 및 이를이용한 혼합시료 제조방법 |
| JP4469928B2 (ja) * | 2004-09-22 | 2010-06-02 | ベックマン・コールター・インコーポレーテッド | 攪拌容器 |
| US7305883B2 (en) * | 2005-10-05 | 2007-12-11 | The Board Of Trustees Of The Leland Stanford Junior University | Chemical micromachined microsensors |
| US20080296708A1 (en) * | 2007-05-31 | 2008-12-04 | General Electric Company | Integrated sensor arrays and method for making and using such arrays |
| JP5159197B2 (ja) | 2007-07-25 | 2013-03-06 | キヤノン株式会社 | 液体制御装置 |
| JP5578810B2 (ja) * | 2009-06-19 | 2014-08-27 | キヤノン株式会社 | 静電容量型の電気機械変換装置 |
| US8763623B2 (en) * | 2009-11-06 | 2014-07-01 | Massachusetts Institute Of Technology | Methods for handling solids in microfluidic systems |
| CN105188960A (zh) * | 2013-02-05 | 2015-12-23 | 声音技术公司 | 超声设备 |
| ITUA20163033A1 (it) * | 2016-04-29 | 2017-10-29 | St Microelectronics Srl | Trasduttore acustico integrato con ridotta propagazione di onde acustiche indesiderate |
| CN108704682A (zh) * | 2018-05-29 | 2018-10-26 | 京东方科技集团股份有限公司 | 微流控器件及其驱动方法、微流控系统 |
| CN109954526B (zh) * | 2019-04-22 | 2021-12-03 | 京东方科技集团股份有限公司 | 一种微流控器件及其制作方法 |
| CN110124759A (zh) * | 2019-05-13 | 2019-08-16 | 京东方科技集团股份有限公司 | 微流控基板、芯片及检测方法 |
| CN114076642B (zh) * | 2020-08-21 | 2024-08-06 | 北京小米移动软件有限公司 | 温度检测模组、温度检测方法、装置及存储介质 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09262084A (ja) * | 1996-03-27 | 1997-10-07 | Technol Res Assoc Of Medical & Welfare Apparatus | Dna増幅装置 |
| JPH11347392A (ja) * | 1998-06-11 | 1999-12-21 | Hitachi Ltd | 攪拌装置 |
| WO2001094017A1 (de) * | 2000-06-09 | 2001-12-13 | Advalytix Ag | Vorrichtung und verfahren zur manipulation kleiner materiemengen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6639339B1 (en) * | 2000-05-11 | 2003-10-28 | The Charles Stark Draper Laboratory, Inc. | Capacitive ultrasound transducer |
| SE0200860D0 (sv) * | 2002-03-20 | 2002-03-20 | Monica Almqvist | Microfluidic cell and method for sample handling |
-
2004
- 2004-05-13 WO PCT/JP2004/006813 patent/WO2004102203A1/ja not_active Ceased
-
2005
- 2005-11-15 US US11/274,659 patent/US20060078473A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09262084A (ja) * | 1996-03-27 | 1997-10-07 | Technol Res Assoc Of Medical & Welfare Apparatus | Dna増幅装置 |
| JPH11347392A (ja) * | 1998-06-11 | 1999-12-21 | Hitachi Ltd | 攪拌装置 |
| WO2001094017A1 (de) * | 2000-06-09 | 2001-12-13 | Advalytix Ag | Vorrichtung und verfahren zur manipulation kleiner materiemengen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007028820A1 (de) * | 2005-09-09 | 2007-03-15 | Siemens Aktiengesellschaft | Vorrichtung und verfahren zur bewegung einer flüssigkeit mittels eines piezoelektrischen transducers |
| US8240907B2 (en) | 2005-09-09 | 2012-08-14 | Siemens Aktiengesellschaft | Apparatus and method for moving a liquid by means of a piezoelectric transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060078473A1 (en) | 2006-04-13 |
| WO2004102203A8 (ja) | 2005-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004102203A1 (ja) | 超音波プラットフォーム型マイクロチップ及びアレイ状超音波トランスデューサの駆動方法 | |
| Collins et al. | Highly focused high-frequency travelling surface acoustic waves (SAW) for rapid single-particle sorting | |
| Khan et al. | CMOS enabled microfluidic systems for healthcare based applications | |
| Li et al. | Self-powered triboelectric nanosensor for microfluidics and cavity-confined solution chemistry | |
| US6789426B2 (en) | Microfluidic channels with integrated ultrasonic transducers for temperature measurement and method | |
| US20220212194A1 (en) | Acoustic waves in microfluidics | |
| CN108432132B (zh) | 微流体颗粒操纵 | |
| US6210128B1 (en) | Fluidic drive for miniature acoustic fluidic pumps and mixers | |
| JP2003004752A (ja) | マイクロチップおよび該マイクロチップを用いる検査装置 | |
| Gracioso Martins et al. | Toward complete miniaturisation of flow injection analysis systems: microfluidic enhancement of chemiluminescent detection | |
| JP3775305B2 (ja) | 液体混合機構及び液体混合方法 | |
| Zeng et al. | Milliseconds mixing in microfluidic channel using focused surface acoustic wave | |
| TW200426107A (en) | Chip-type micro-fluid particle 3-D focusing and detection device | |
| CN103585943A (zh) | 适用于微量液体混合生化反应的微反应器及其制造方法 | |
| Renaudin et al. | Monitoring SAW-actuated microdroplets in view of biological applications | |
| Zhu et al. | CMOS-based electrokinetic microfluidics with multi-modal cellular and bio-molecular sensing for end-to-end point-of-care system | |
| Wong et al. | Lamb to Rayleigh wave conversion on superstrates as a means to facilitate disposable acoustomicrofluidic applications | |
| Kishor et al. | Real time size-dependent particle segregation and quantitative detection in a surface acoustic wave-photoacoustic integrated microfluidic system | |
| CN115468916A (zh) | 片上流体操控模块、声流体芯片及分析装置 | |
| Roy et al. | A pmut integrated microfluidic system for volumetric flow rate sensing | |
| Yu et al. | Microfluidic mixer and transporter based on PZT self-focusing acoustic transducers | |
| Chung et al. | Manipulation of micro/mini-objects by AC-electrowetting-actuated oscillating bubbles: capturing, carrying and releasing | |
| Do Quang et al. | Biological living cell in-flow detection based on microfluidic chip and compact signal processing circuit | |
| Cardoso et al. | Lab-on-a-chip with β-poly (vinylidene fluoride) based acoustic microagitation | |
| Pelenis et al. | Acoustical streaming in microfluidic cmut integrated chip controls the biochemical interaction rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| CFP | Corrected version of a pamphlet front page | ||
| CR1 | Correction of entry in section i |
Free format text: IN PCT GAZETTE 48/2004 UNDER (81) DELETE "JP" |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 11274659 Country of ref document: US |
|
| WWP | Wipo information: published in national office |
Ref document number: 11274659 Country of ref document: US |
|
| 122 | Ep: pct application non-entry in european phase |