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WO2001090659A1 - Dispositif de production de cristaux polymeres - Google Patents

Dispositif de production de cristaux polymeres Download PDF

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Publication number
WO2001090659A1
WO2001090659A1 PCT/EP2001/004521 EP0104521W WO0190659A1 WO 2001090659 A1 WO2001090659 A1 WO 2001090659A1 EP 0104521 W EP0104521 W EP 0104521W WO 0190659 A1 WO0190659 A1 WO 0190659A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air humidification
chamber
humidification chamber
polymer chips
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
Application number
PCT/EP2001/004521
Other languages
German (de)
English (en)
Inventor
Wolfgang Heimberg
Andreas Soubek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MWG Biotech AG
Original Assignee
MWG Biotech AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MWG Biotech AG filed Critical MWG Biotech AG
Priority to AU52268/01A priority Critical patent/AU5226801A/en
Publication of WO2001090659A1 publication Critical patent/WO2001090659A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • F24F6/043—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements with self-sucking action, e.g. wicks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0008—Control or safety arrangements for air-humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D22/00—Control of humidity
    • G05D22/02—Control of humidity characterised by the use of electric means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00495—Means for heating or cooling the reaction vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00497—Features relating to the solid phase supports
    • B01J2219/00527—Sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00277—Apparatus
    • B01J2219/00497—Features relating to the solid phase supports
    • B01J2219/00527—Sheets
    • B01J2219/00529—DNA chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00596—Solid-phase processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00605—Making arrays on substantially continuous surfaces the compounds being directly bound or immobilised to solid supports
    • B01J2219/00608—DNA chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00583—Features relative to the processes being carried out
    • B01J2219/00603—Making arrays on substantially continuous surfaces
    • B01J2219/00659—Two-dimensional arrays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
    • B01J2219/00718—Type of compounds synthesised
    • B01J2219/0072—Organic compounds
    • B01J2219/00722—Nucleotides
    • C—CHEMISTRY; METALLURGY
    • C40—COMBINATORIAL TECHNOLOGY
    • C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B40/00—Libraries per se, e.g. arrays, mixtures
    • C40B40/04—Libraries containing only organic compounds
    • C40B40/06—Libraries containing nucleotides or polynucleotides, or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C40—COMBINATORIAL TECHNOLOGY
    • C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
    • C40B60/00—Apparatus specially adapted for use in combinatorial chemistry or with libraries
    • C40B60/14—Apparatus specially adapted for use in combinatorial chemistry or with libraries for creating libraries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity

Definitions

  • the present invention relates to a device for producing polymer chips.
  • a device for applying small liquid droplets to a carrier surface is known.
  • This carrier surface is usually a surface of a small glass plate.
  • polymer droplets in particular DNA droplets and RNA droplets, are applied to the glass plates in a regular pattern.
  • the application is referred to as "spotting".
  • Such a device can be used to produce DNA chips.
  • These devices have a closed working chamber, in which a work surface is arranged, on which several glass plates can be arranged. Microtiter plates, which contain the liquids to be applied, are usually found on the work surface.
  • the working chambers are locked to maintain a certain indoor climate so that the liquid droplets are applied safely and do not dry out after application.
  • These devices are usually designed as table devices. Despite the closed Chamber of Labor, it has been shown that
  • WO 99/36760 A1 is incorporated into the present application with reference.
  • DE-44 11 644 C1 describes an air humidification device consisting of a chamber through which the air to be humidified flows and in which there is a ceramic body wetted with water.
  • the ceramic body has a predetermined pore structure, so that there is a large surface on which water can be evaporated to humidify air.
  • DE-92 07 870 U1 shows a further evaporation humidifier which has a filter mat consisting of paper grids. This filter mat is impregnated with water and flows through an air flow generated by a fan 16. Moisture is absorbed in the air as it flows through the filter mat.
  • DE-29 06 607 A1 relates to a device for automatically filling water vapors on radiators in living and working rooms.
  • the water level in the evaporator tank is detected by a sensor and the supply of water is controlled depending on the detected water level.
  • the water supply is controlled by a valve inserted in the supply line.
  • the invention has for its object to provide a device for producing polymer chips, with which the desired air properties, in particular the humidity and / or the temperature, can be kept in predetermined ranges and which allows a more secure manufacture of the polymer chips than the previously known devices ,
  • FIG. 2 shows the air treatment device according to FIG. 1 in a partial sectional view
  • FIG. 3 is a top view of the air treatment device according to FIG. 1 with the cover removed
  • Fig. 4 shows a device for producing polymer chips in perspective
  • FIG 5 shows an air treatment device with a cooling device.
  • FIG. 1 schematically shows an air treatment device 1 in a perspective view.
  • This air treatment device has an air humidification chamber 2 and a control housing 3.
  • the air humidification chamber 2 has a base wall 4 and four circumferentially arranged side walls 5 (FIGS. 1 and 2).
  • the bottom wall 4 is approximately square with an edge length a of 15 to 20 cm.
  • the height b of the side walls is approximately 6 to 10 cm.
  • Ventilation slots 6 are introduced in the side walls 5 and extend from the upper edge region of the side walls 5 to approximately half the height b of the side walls. This means that in the area below the ventilation slots 6, the air humidification chamber 2 forms a watertight container.
  • the air humidification chamber 2 is closed with a cover 7.
  • the cover 7 is a flat plate, the side edges of which are formed so that they engage behind the side walls 5.
  • a circular ventilation opening 8 is made in the middle of the cover 7.
  • a fan 9, which is driven by an electric motor 10, is arranged in the area below this ventilation opening 8.
  • the electric motor 10 is controlled by a control device 11, which is located in the control housing 3.
  • a display 12 and buttons 13 for setting a predetermined humidity range are provided on the control housing 3.
  • a protruding sensor element 14 for measuring the air humidity is arranged on the control housing 3.
  • the air humidification chamber 2 is filled with water, the water level being somewhat lower than the lower edges of the ventilation slots 6.
  • a porous absorbent body 16 which is approximately star-shaped in plan view, is placed in the air humidification chamber 2 (FIG. 3). This absorbent body 16 absorbs the water by capillary forces and forms a moist, large surface.
  • the electric motor 10 is actuated, the fan 9 is rotated such that air is sucked into the air humidification chamber 2 through the ventilation opening 8. The air is propelled along the surface of the water and along the surface of the absorbent body 16 protruding from the water, absorbing moisture. The moist air is discharged through the ventilation slots 6 to the outside.
  • the operation of the fan 9 is controlled by the control device 11 in such a way that the air humidity measured with the sensor element 14 is in a predetermined range. This means that when the measured humidity reaches a lower threshold, the fan is actuated and when the humidity reaches an upper threshold, the fan is switched off.
  • the set humidity is typically in a range from 60% to 70%.
  • this very flat air treatment device is suitable for precisely regulating the air humidity in the working chamber of a device for producing polymer chips.
  • the arrangement according to the invention of the fan 9 at a short distance and approximately parallel to the water level in the air humidification chamber allows this compact and flat design of the air humidification chamber 2.
  • a device for producing polymer chips is shown schematically simplified in a perspective representation in FIG. 4.
  • the device 17 has a base plate 18, four glass side walls 19 and a cover 20 which is essentially supported by four columns 21. Electrical and mechanical control devices are integrated in the cover 20.
  • a worktop is arranged in parallel and at a distance from the base plate 18 and is attached to the columns 21.
  • a robot arm 23 is attached to the cover 20 and has devices for receiving and applying liquids, as are known from WO 99 / 30760A1.
  • the air treatment device 1 is arranged in the area between the base plate 18 and the worktop 22. With this air treatment device 1 can safely drying out of the polymer chips can be avoided and the desired air humidity can be set very precisely.
  • the flat construction of the air treatment device allows the air treatment device to be inserted into existing devices 17 for producing polymer chips. No retrofitting work on the devices 17 is necessary.
  • This air treatment device 1 in turn has an air humidification chamber 2 and a control housing 3, which are identical to the air humidification chamber 2 and the
  • control housing 3 of the embodiment shown in FIGS. 1-3 are formed.
  • a cooling block 26 is attached to the air humidification chamber 2 on the side wall 5 opposite the control housing 3.
  • the cooling block 26 has cooling fins 27 on its surface, which are cooled by means of a Peltier element (not shown). The waste heat from the Peltier elements is removed using a liquid
  • 5 keitsmediums which is preferably water, circulates via two hoses 28 to a heat exchanger 29.
  • the heat exchanger 29 is provided with further cooling fins 30 and has a circulation pump (not shown) for circulating the cooling medium.
  • a temperature control device is also integrated in the housing of the heat exchanger 29, which controls the circulation pump and the Peltier elements.
  • the electrical connection to the Peltier elements is made along one of the tubes 28.
  • the air temperature is measured and the cooling by the cooling block 26 is controlled in accordance with the temperature.
  • the sensor element for measuring the air temperature is preferably arranged as far as possible from the cooling block, so that a
  • the unit consisting of the air humidification chamber 2, the control housing 3 and the cooling block 26 is set in the device 17 for producing polymer chips and the heat exchanger 29 is placed outside this device. orderly.
  • the tubes 28 are led out through corresponding openings in the side walls 19 of the device 17 for producing polymer chips.
  • the air humidity and the temperature of the working chamber of the device 17 for producing polymer chips can thus be set and regulated.
  • the temperature range is usually in the range from 10 ° C. to 20 ° C., which is why only one cooling device is provided, since this temperature is usually below the room temperature of the room in which the device 17 is located. Should higher temperatures be necessary, the cooling block 26 can also be used as a heating block by reversing the polarity of the Peltier elements.
  • This air treatment device 1 can easily be inserted into an existing device 17 for producing polymer chips, without this having to be converted.
  • an air treatment device into the device 17 for producing polymer chips.
  • a cooling block it is expedient to design the cooling block as part of one of the side walls of the device 17 for producing polymer chips, so that the Peltier element with a surface and heat exchanger fins arranged on it points inward into the working chamber and the another surface and heat exchanger fins arranged thereon is arranged facing outward.
  • the pellet element with two sets of heat exchanger fins allows heat to be dissipated from the working chamber to the outside without the provision of an additional cooling circuit.
  • the air humidification chamber can be provided with a fill level sensor and a device for automatically refilling water into the air humidification chamber in accordance with the fill level sensor.
  • water is conveyed into the air humidification chamber by means of a pump from a water storage container, which is substantially larger than the air humidification chamber, by means of a pump.
  • the water reservoir is arranged outside the working chamber of the device for producing polymer chips. It can be of any size and can be refilled at any time, which enables continuous operation of the air treatment device.
  • the air treatment device prefferably be arranged outside the working chamber of the device for producing polymer chips, and for air to be removed from the working chamber to the air treatment device by means of a hose, to be appropriately moistened and / or tempered there, and to the working chamber again via a further hose is fed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)
  • Drying Of Gases (AREA)

Abstract

L'invention concerne un dispositif de production de cristaux polymères, comprenant une chambre de travail sensiblement fermée, dans laquelle sont agencés un dispositif d'humidification de l'air et un élément capteur servant à mesurer l'humidité de l'air (14), et un dispositif de commande électronique (11) conçu pour commander le dispositif d'humidification de l'air en fonction de l'humidité de l'air mesurée.
PCT/EP2001/004521 2000-05-24 2001-04-20 Dispositif de production de cristaux polymeres Ceased WO2001090659A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU52268/01A AU5226801A (en) 2000-05-24 2001-04-20 Device for the production of polymer chips

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20012752.7 2000-05-24
DE20012752U DE20012752U1 (de) 2000-05-24 2000-05-24 Luftbehandlungsvorrichtung für eine Vorrichtung zum Erzeugen von Polymerchips

Publications (1)

Publication Number Publication Date
WO2001090659A1 true WO2001090659A1 (fr) 2001-11-29

Family

ID=7944313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/004521 Ceased WO2001090659A1 (fr) 2000-05-24 2001-04-20 Dispositif de production de cristaux polymeres

Country Status (3)

Country Link
AU (1) AU5226801A (fr)
DE (1) DE20012752U1 (fr)
WO (1) WO2001090659A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115090A (zh) * 2015-07-14 2015-12-02 柏鹰 一种水蒸发制冷结构和制冷装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108663A (en) * 1990-04-17 1992-04-28 Duracraft Corporation Humidifier with float activated water level responsive turn off
WO1998000676A1 (fr) * 1996-06-28 1998-01-08 Intelligent Enclosures Corporation Enceinte amelioree du point de vue ecologique permettant de gerer la contamination due aux procedes de polissage/aplanissement chimique ou/et mecanique
GB2334599A (en) * 1998-02-20 1999-08-25 Protimeter Plc Apparatus for providing an atmosphere of predetermined humidity
FR2783041A1 (fr) * 1998-09-08 2000-03-10 Ventilateurs A E I B Dispositif de regulation en temperature d'un local notamment d'un chai

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Publication number Priority date Publication date Assignee Title
DE1604292A1 (de) * 1966-09-15 1970-08-27 Siemens Ag Vorrichtung zur Regulierung der Feuchte in einer Klimakammer und Verfahren zu ihrem Betrieb
DE2745776A1 (de) * 1977-10-12 1979-04-26 Franz Dipl Ing Geiger Verfahren und regelsystem zur regelung der relativen feuchte in innenraeumen
DE2906607A1 (de) * 1979-02-21 1980-09-04 Roga Heiz & Lueftbedarf Vorrichtung zum befuellen von verdunstern
JP3353924B2 (ja) * 1992-04-30 2002-12-09 株式会社小松製作所 温湿度調整装置及びその制御方法
DE9207870U1 (de) * 1992-06-11 1992-09-03 Schneider, Dietmar, 6952 Obrigheim Filter für einen Verdunstungs-Luftbefeuchter
DE4411644C1 (de) * 1994-04-02 1995-05-18 Kronauer Gmbh Verfahren und eine Vorrichtung zum Befeuchten und Reinigen von Gasen, insbesondere Luft
DE19600470C2 (de) * 1995-08-01 1999-06-10 Bernhard Harter H-Thermokompaktgerät
GB2326938A (en) * 1997-06-30 1999-01-06 Js Humidifiers Plc Humidifier
US6269846B1 (en) * 1998-01-13 2001-08-07 Genetic Microsystems, Inc. Depositing fluid specimens on substrates, resulting ordered arrays, techniques for deposition of arrays

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108663A (en) * 1990-04-17 1992-04-28 Duracraft Corporation Humidifier with float activated water level responsive turn off
WO1998000676A1 (fr) * 1996-06-28 1998-01-08 Intelligent Enclosures Corporation Enceinte amelioree du point de vue ecologique permettant de gerer la contamination due aux procedes de polissage/aplanissement chimique ou/et mecanique
GB2334599A (en) * 1998-02-20 1999-08-25 Protimeter Plc Apparatus for providing an atmosphere of predetermined humidity
FR2783041A1 (fr) * 1998-09-08 2000-03-10 Ventilateurs A E I B Dispositif de regulation en temperature d'un local notamment d'un chai

Also Published As

Publication number Publication date
DE20012752U1 (de) 2001-10-04
AU5226801A (en) 2001-12-03

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