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EP3017458B1 - Platine de détection pour l'analyse de rayonnements et son procédé de fabrication - Google Patents

Platine de détection pour l'analyse de rayonnements et son procédé de fabrication Download PDF

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Publication number
EP3017458B1
EP3017458B1 EP14737149.6A EP14737149A EP3017458B1 EP 3017458 B1 EP3017458 B1 EP 3017458B1 EP 14737149 A EP14737149 A EP 14737149A EP 3017458 B1 EP3017458 B1 EP 3017458B1
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EP
European Patent Office
Prior art keywords
detector
anode
plate
cathode
carrier plate
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.)
Not-in-force
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EP14737149.6A
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German (de)
English (en)
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EP3017458A2 (fr
Inventor
Peter Koller
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Individual
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Individual
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/08—Geiger-Müller counter tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02—Ionisation chambers

Definitions

  • the invention relates to a detector plate having a plurality of detector elements for detecting ionizing radiation. Furthermore, the invention relates to an analyzer with such a detector plate and a manufacturing method for producing said detector plates.
  • arrays of detectors have been used to detect hard radiation.
  • the arrangement of detectors for ionizing radiation such as a photomultiplier or the like, could make statements on the beam profile of ionizing radiation.
  • the scintillation principle was applied and refined over time by developing radiation image sensors, in particular scintillator panels, making statements that related to the beam profile of the ionizing radiation possible by arranging a plurality of radiation detectors comprising a scintillator and a light detector.
  • a two-dimensional distribution of the radiation intensity could be analyzed.
  • the arrangements of the individual detector elements have shrunk and increasingly improved.
  • Detector plates are known with a plurality of detector elements, which are used for the detection of ionizing radiation. there The detector elements generate an electrical ionization current between anode and cathode. It is taught to improve the measurement accuracy by using a segmented electrode.
  • US 7,470,912 B2 is an instrument for quality control of therapeutic radiation is known, which is designed for both the ionization detection of electrons and X-rays.
  • an analyzer for generating two-dimensional X-ray images is known that is reduced in size and complexity.
  • a pixelated anode is used whose pixels are dimensionally stable in an insulating layer and are positioned relative to the cathode.
  • a component of a radiation detector is known that is formed from a scintillator array and an associated photodiode array on an MID substrate.
  • a radiation detector which comprises a carrier plate which can be produced by an injection molding process.
  • the detector comprises a plurality of detector elements whose interiors are formed as depressions in the carrier plate.
  • the invention has for its object to provide a detector plate, which significantly reduces the production costs of detector plates with constant or improved Strahlungsanalysequalien and still allows scalability.
  • a detector plate of the type mentioned above in that the detection elements are designed to to generate an electrical ionization current between an anode and a cathode of the respective detector element in the case of an indirect or direct ionization by the ionizing radiation in an interior of the respective detector element, wherein the anode and / or the cathode as not in a single plane, electrically conductive order is formed on the carrier plate.
  • the detector elements are intended for the detection of ionizing radiation.
  • Ionizing radiation is understood as meaning both particle radiation and electromagnetic radiation.
  • the electromagnetic radiation ionizes on the basis of the photo effect, by an electron is knocked out of an electrically conductive order, such as the anode or cathode, which then follows in the electric field between the anode and cathode of the electric force and thus an ion current between the anode and the cathode generates or at least contributes to this.
  • Electromagnetic radiation includes X-rays and gamma rays, both of which bring enough photon energy to release an electron from a metal grid.
  • Ionizing particle radiation is understood to mean, in particular, the irradiation of electrons, protons and neutrons, it being possible for electrons and protons to act directly on the ionic current.
  • the neutrons however, generate recoil photons, which in turn are detectable as electromagnetic radiation.
  • the detector elements act essentially as ionization chambers, as they are used in Geiger-Müller counters.
  • Direct ionization means an interaction with a charged particle and indirect ionization an interaction in which an electromagnetic radiation or a photon plays a role.
  • the interior of the respective detector element thus represents an ionization chamber, wherein an ionization current is generated in the respective detector element between the anode and the cathode.
  • the carrier plate is injection molded. This property of the carrier plate results from the injection molding process used in their manufacture.
  • Injection molding can be understood as meaning several methods known to date, such as, for example, the one-component injection-molding method or the two-component injection-molding method. In both methods, a plastic in a liquid or foamed form is introduced into a molding injection molding tool, wherein the plastic conforms to the shape of this injection molding tool.
  • complex structures can be produced, wherein the anode and / or the cathode is not only formed as not lying in a single plane, electrically conductive order on the support plate / is, but may be formed in several levels of different orientation / can.
  • the electrically conductive application of the injection-molded plastic is based on the so-called MID technology (Molded Interconnect Devices, English for injection-molded circuit carriers).
  • MID technology Molded Interconnect Devices, English for injection-molded circuit carriers.
  • metallic conductor tracks can be applied to the carrier plate, in particular to injection-molded plastic carriers. This job is carried out in the following, for example, as metallization, as carbonization or as conductive ink. Because of this technique, it is possible to form the electrically conductive application, or the anode and / or the cathode of a detector element such that they can form an interior of the detector element in an optimal manner, which ideally defines the size of the ionization chamber exactly is.
  • the carrier plate is a machined and / or formed carrier plate.
  • a machining production means a machining of a Ausganswerk GmbHes or an intermediate product, in which a material removal leads to the desired shape of the support plate. The material removal can be achieved for example by planing, punching, grinding or drilling. Additionally or alternatively, the starting workpiece or the intermediate product is reshaped in order to arrive at the desired shape of the carrier plate. When forming, it may be a cold or a warm forming, which may be selected, for example, depending on the material used, in particular plastic. Similarly, a combination of machining and forming is possible, with both the first machining and then the forming is performed or vice versa.
  • the interior is at least partially formed by means of a depression or a depression in the support plate.
  • an interior is at least partially enclosed by the depression or the depression, so that a large part of the volume used for ionization can already be enclosed by the support plate, whereby only a covering or a closure by means of a flat protective element already provides complete ionization chamber in the form of the interior space.
  • the electrically conductive coating is preferably a metallization, a carbonization or a conductive ink. As far as the required electrical voltage and the conduction of the ionisationsstrom are ensured, the production of the detector plate can be simplified by the respective method of application of the electrically conductive job.
  • the electrically conductive application is a carbonization, which can be applied to the carrier plate in a simple manner, even with very large layer thicknesses.
  • carbon coatings can be applied to the carrier plate by means of a printing process, whereby this type of electrically conductive application is profitable for automation of the production process.
  • the electrically conductive coating preferably consists of a conductive ink, such as, for example, a conductive ink, in particular a silver conductive ink, which can likewise be applied cost-effectively to the substrate by a simple printing process.
  • a conductive ink such as, for example, a conductive ink, in particular a silver conductive ink
  • the depression of the respective detector element has an opening or two openings, each with a through-connection through the carrier plate.
  • the openings it is possible that the electrodes arranged in the interior can be contacted to the outside (relative to the interior).
  • openings may be used on a bottom of the depression or recess to form one or more vias, whereby, for example, in combination with a solder ball or the like, an electrical contact with a printed circuit board arranged parallel to the carrier plate can be made. If two openings are used, it is also possible to provide two plated-through holes, whereby both the cathode current and the anode current can be led out into the interior space or out of the interior space.
  • the anode and the cathode limit the interior space at least partially.
  • a part of the interior must always be formed by either the support plate or a flat protective element.
  • the interior is partially bounded by a flat protective element, in particular a plate or a film.
  • the planar protective element preferably forms the anode or the cathode partially or completely.
  • the anode and cathode are arranged on different components, which simplifies the dimensioning of the individual detector elements. For example, only one through-hole must be used when the anode and cathode are arranged on different components, whereby the manufacturing cost is further reduced. It must be ensured that the ionizing radiation is not shielded by the planar protective element, or the thickness of the planar protective element is chosen such that sufficient ionizing radiation can penetrate into the interior of the detector element.
  • the ionizing radiation enters through the planar protective element especially as the material of the carrier plate can be chosen such that ionizing radiation is insignificantly shielded or not at all.
  • the electrically conductive application of the anode and / or the cathode is to be considered, especially since, for example, metals have a not insignificant shielding effect in the rule.
  • the anode and / or the cathode is arched or has, or have at least surfaces with differently oriented surface normals.
  • the shape of the interior can thus be optimally adapted to the requirements of radiation ionization in a very simple manner. Round or arched structures are very easy to make and form constant distances between the electrically conductive orders. Nevertheless, it may be advantageous to provide a plurality of flat surfaces within a metallization, so that a preferred shape of the interior and thus of the detector element is formed.
  • the detector elements are connected to analysis circuits, wherein the analysis circuits are arranged in the relevant beam path for the measurement and shielded by shielding metallizations.
  • the arrangement in the beam path means that the ionizing radiation would be due to the position of the analysis circuits on the analysis circuits, if no shielding would be present. This usually leads to a very compact detector plate, but the risk of failure of an analysis circuit is accepted if it is damaged by an ionizing radiation dose. Therefore, it is possible, for example with shielding metallizations, on the carrier plate or other circuit boards to protect the analysis circuits from the ionizing radiation. Copper is particularly suitable as the metallization material since it can be easily applied in an acceptable thickness of up to 400 micrometers.
  • the detector elements are electrically connected to analysis circuits, wherein the analysis circuits are arranged partially or completely outside of the relevant for the measurement beam path.
  • Conductor tracks can be used to pass the ionization current of the detector elements on the carrier plate until a region is reached which is not exposed to any ionizing radiation.
  • the analysis circuits can alternatively be arranged. Such a region is preferably arranged in an edge region of the detector plate.
  • An analysis circuit is formed, for example, partially or wholly from an electrometer amplifier, which is provided for measuring the ionization current of one or more detector elements.
  • the analysis circuit also has an analog-to-digital converter which converts the very small ionization current measured by the electrometer amplifier into a digital one Signal converts.
  • the electrometer amplifier can be designed to be readable, with which the digital current data are available when needed.
  • Most analysis circuits have integrated circuits in the form of so-called "ICs" to electronically implement the desired functions.
  • the main plane of the detector plate is ideally perpendicular to the incidence of ionizing radiation.
  • the individual detector elements represent individual pixels which can indicate a radiation profile of an ionizing radiation in a two-dimensional arrangement. It is only necessary that the radiation intensity is detected and recorded in the respective detector elements.
  • the anode and / or the cathode are / is electrically conductively connected to or has a contact region, wherein the contact region is arranged outside the inner space.
  • the electrodes, anode and / or cathode it is possible for the electrodes, anode and / or cathode to be connected as efficiently as possible to one or more analysis circuits.
  • the anode and / or the cathode are formed from at least two electrically conductive orders / is, especially since the orders are applied for example by means of laser radiation, which a direct insight into the region to be metallized is required.
  • the laser-based metallization limited the thickness of the support plate, especially since the inside or the inner sides of the opening may not be hidden by the support plate itself.
  • the contact region extends over a pin, wherein the pin is provided to produce a conductive plug connection.
  • the printed circuit board to be contacted on a counterpart to the pin, for example, a particularly shaped trace or a metallized opening, which is provided for contacting the pin. Due to the plug-in principle, the positions of the printed circuit board and the carrier plate are defined in the inserted state to each other.
  • the carrier plate forms by means of the plated-through holes a counter-arrangement to a contactable ball grid arrangement.
  • a radiation analyzer advantageously has a detector plate, as proposed by the invention. Due to the manufacturing advantages and qualitative advantages of the detector plate, the cost advantage also has a special effect on the radiation analysis device. Due to the higher robustness of the detector plate less maintenance is required, whereby the operating costs of a radiation analysis device according to the invention decrease.
  • a radiation analyzer may be, for example, a medical analyzer such as an X-ray tomograph or the like.
  • the anode and / or the cathode can thus assume a three-dimensional shape, with which the interior of the detector element can be ideally formed.
  • the electrically conductive deposition which is not arranged in a single plane, can thus have a plurality of surface normals which are oriented differently.
  • the electrically conductive application also forms a segment of a surface of revolution or is defined by a spherical radius.
  • an anode and / or cathode is / are formed from at least two electrically conductive jobs. In this way it is possible to produce plated-through holes, which allow the anode current or the cathode current to be conducted outward from the interior of the detector element and, if appropriate, to be passed on to printed conductors of conventional printed circuit boards.
  • the at least two electrically conductive jobs form a plated-through hole on the carrier plate.
  • all the electrodes can be arranged on the carrier plate, whereby only the carrier plate a coating method, in particular metallization, must be subjected.
  • Other interior limiting components may be less complex, such as a foil or a metal plate.
  • FIG. 1 shows a detector element, which is formed from a depression of the support plate 11, in which in combination with the protective film 10 of the interior 16 is formed.
  • the depression is substantially cone-shaped, with which the two electrodes, namely the anode 12 and the cathode 13, essentially form a segment of a conical lateral surface and are each embodied by an electrically conductive application designed as a metallization.
  • the anode 12 and the cathode 13 are both separated by a metallization-free strip defined by the first high-voltage distance D1.
  • the first high-voltage distance D1 has been selected as a function of the operating voltage of the detector element.
  • the opening 14 is mounted on the anode side and has a via, which is connected on the one hand electrically conductively connected to the anode 12, and on the other hand with the contact region 25, which is arranged outside of the inner space 16. Due to the arrangement of the contact area 25 close to the opening, the contact area 25 is annular, so that a contact with a ball 24, which is electrically conductively connected to the conductor track 22, is made possible.
  • the balls 23, 24 are not formed of metal, but of solder paste, a mixture of solder metal powder and flux.
  • the solder paste can be printed on the circuit board 17 and melted in a furnace. In the heated state, the contacting with the respective contact region 25,26 can be implemented, which also causes a fixation of the support plate 11 to the circuit board 17.
  • the balls 23, 24 can be brought respectively into the contact regions 25 and 26, so that both the anode 12 and the cathode 13 are connected to a circuit outside the detector element 20.
  • the support plate 11 for the application of Conductor tracks are used so that a contacting of the anode 12 and the cathode 13 with, for example, an analysis circuit is possible.
  • FIG. 2 shows the detector element 20 from FIG. 1 , which is to be considered in the direction of the radiation incident according to the irradiation direction B.
  • FIGS. 3A and 3B represent two possible detector plates 27,28, which are adjustable by appropriate arrangements of the detector elements 20 to the beam profile to be measured. In this way, by the corresponding resolution of any two-dimensional surface a variety of applications can be considered.
  • FIG. 4 shows a detector element 50, which essentially forms the shape of an inverse pyramid.
  • the support plate 41 comprises the anode 42 with the recess introduced therein almost completely. Only the contact region 46 projects out of the detector element 50.
  • the contact region 46 was formed by a second metallization, which was applied to the interior 43 side metallization of the anode 42. Both metallizations are fused into a single planar conductor, so that an electrical line between the anode 42 and a circuit board 47 accomplished by the ball 45, which is mounted on the circuit board 47, with the annular contact portion 46 cooperates such that high voltage from an electrical device, such as an integrated circuit (integrated circuit), to the anode 42.
  • an electrical device such as an integrated circuit (integrated circuit)
  • a conventional printed circuit board 47 can be connected to the detector element 50 by means of the method described, wherein any circuits can be used by way of ball grid contacting with a plurality of detector elements 50 or even different detector elements. Only by the similar arrangement of all contact areas 46 and all balls 45 used a simultaneous Mehrfachrome ist is possible in one step.
  • the second high-voltage gap D2 between the metal foil 40 formed as a cathode secures against a high-voltage flashover between the anode 42 and the cathode 40. Because of the carrier plate 41 used, the configuration of the cathode 40 can now be implemented as a metal plate, making it particularly easy to produce.
  • the electronic component 49 is only an example of a number of possible assemblies, such as an electrometer amplifier to look at, as well as the nature of the electrical connection to the circuit board 47, which is ensured here via contact legs 51 and solder joints 52 and other electrical connections is replaceable.
  • the ionizing radiation follows the direction of irradiation B into the interior space 43 through the metal plate 40, which absorbs the ionizing radiation only marginally with a corresponding thickness.
  • an irradiation direction B can be selected which extends through the support plate 41, whereby only a low-absorption plastic obstructs the ionizing radiation.
  • FIG. 5 shows the detector element 50 of the in the FIG. 4 irradiation direction B.
  • the anode 42 has five different surfaces, each surface having a different directional surface normal.
  • the surface with the opening 44 has a surface normal, which is opposite to the irradiation direction B. All other surfaces form an angle with the irradiation direction B, which is not equal to 0 ° and not equal to 90 °.
  • FIG. 6 shows a conductive plug connection between a cathode 64, which has been metallized in a detector element.
  • the opening 65 has a through-connection of the cathode 64, which continues on a pin 63, which is arranged immediately adjacent to the opening 65.
  • the metallization forms a contact surface 66, which comes into conductive connection with a mating contact surface 68 as soon as the pin 63 is clamped in the opening 62 of the printed circuit board 67.
  • the electrically contacting connector 60 can thus be accomplished by simply plugging the circuit board 67 on the detector elements, which the grid arrangement again leads to a very advantageous manufacturing advantage, especially since neither further steps have to be taken for electrical contacting, nor for fastening.
  • the plug-in connection is soldered in the inserted state at the contact surfaces 66 and 68 in order to ensure a better electrical conduction or to lead to a structural reinforcement.
  • FIG. 7A shows a shielding option that protects an electronic component 78, which is representative of analysis circuits and other integrated circuits, from the ionizing radiation, indicated by the arrow of the irradiation direction B, from damage.
  • an arrangement of 400 micrometers thick copper metallization 72 is used, which form in an offset arrangement an advantageous shielding, wherein the circuit board 71 is formed of a plurality of conductor planes which adjoin one another at an angle.
  • the balls 73 can be used for contacting with detector elements, wherein the circuit board 71 is designed for example as a multilayer printed circuit board.
  • FIG. 7B shows a metal core board 83 with a metallization 86, which forms a via in the opening 85.
  • metal inserts 84 made of aluminum or lead, which are enclosed by synthetic resin (epoxy) 82, are used.
  • These metal core plates 83 can be used as carrier plates for shielding radiation-sensitive electrical components or components 78, in particular analysis circuits, wherein the components are connected to the detector elements via the through-connection.
  • FIG. 8 illustrates the space-efficient arrangement possibilities of detector elements 81 on detector plates 80, wherein the corresponding two-dimensional shape is optimized in relation to the irradiation direction B.
  • the honeycomb shape of the detector elements 81 leads to an extremely effective arrangement, wherein almost the entire surface of the carrier plate of the detector plate 80 as Electron surface or detection surface can be used. Thus, only a very small proportion of the surface of the carrier part is broke.
  • FIG. 9 illustrates the space-saving arrangement possibilities of detector elements 91 on the detector plate 90, wherein the corresponding two-dimensional shape with respect to the irradiation direction B is optimized.
  • the detector elements 91 are arranged at a defined distance on the detector plate 90, conductor tracks can be metallized on the rear side of the carrier plate 90 belonging to the carrier plate. This eliminates the use of a second circuit board.
  • FIG. 10 shows a detector element 100 in a sectional view, wherein the protective film 10 covers the inner space 105.
  • the metallization of the cathode 102 is substantially conical and comprises the metallized pin 104, wherein the metallization of which forms the anode 101 and this contact is conductively connected to a further metallization in the contact region 107. Accordingly, the opening 108 with the metallization of the cathode 102 into the contact region 106 from a via.
  • the pin 104 is easily accessible or easily metallizable due to the conical shape of the depression and also the cathode 102 applied therein. Currents flow between one to two microamps and 50 femtoamps.
  • Due to the shape of the detector elements can be arranged in large numbers and distributed on a detector plate 80,90. This scaling can include many detection elements and result in a large resolution of the radiation profile.
  • the anode can be interchanged with the cathode, wherein, for example, the anode has a three-dimensional shape or Alternatively, the cathode has a three-dimensional shape or both electrodes have a three-dimensional shape according to the invention.
  • the support plate 11,41 can be made both by an injection molding process as well as by a machining production and / or a forming. Basically, with great complexity, injection molding is more advantageous.
  • the support plate 11 of the Figures 1 and 2 also produced by a pressing or stamping process (forming), whereupon the openings 14,15 are made in the subsequent by drilling (machining production).
  • the invention relates to a detector plate consisting of a, in particular injection-molded, carrier plate with a plurality of detector elements for the detection of ionizing radiation.
  • the detector elements function according to the principle of a Geiger-Müller counter, whereby now the invention proposes to simplify the manufacturing process and to save costs, that the anode and / or the cathode are formed as not lying in a single plane metallization on the support plate of the detector plate / is. In this way, there are many opportunities to form the interior used as the ionization chamber and to arrange the electrodes in this room.
  • the Kunststofftechniksil with other circuit boards are very beneficial. This also has an advantageous effect on the manufacturing process but also on the qualities of the radiation measuring devices that use such detector plates.

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  • Measurement Of Radiation (AREA)

Claims (15)

  1. Plaque de détection (27, 28, 80, 90), constituée d'une plaque porteuse (11, 41, 69) moulée par injection, pourvue d'une pluralité d'éléments détecteurs (20, 50, 81, 91, 100), destinés à détecter un rayonnement ionisant, les éléments détecteurs (20, 50, 81, 91, 100) étant conçus pour générer, lors d'une ionisation indirecte ou directe par rayonnement ionisant, dans un espace intérieur (16, 43, 105) de l'élément détecteur (20, 50, 81, 91, 100) concerné un courant d'ionisation électrique entre une anode (12, 42, 101) et une cathode (13, 40, 64, 102) de l'élément détecteur (20, 50, 81, 91, 100) concerné,
    l'anode (12, 42, 101) et/ou la cathode (13, 40, 64, 102) étant configurée(s) en tant qu'une application conductrice d'électricité sur la plaque porteuse (11, 41, 69) moulée par injection qui ne se situe pas dans un seul plan, l'espace intérieur (16, 43, 105) étant conçu au moins en partie au moyen d'une cuvette dans la plaque porteuse (11, 41, 69) moulée par injection, caractérisée en ce que la cuvette dans l'élément détecteur (20, 50, 81, 91, 100) respectif comporte un orifice (44) ou deux orifices (14, 15), pourvu (s) chacun d'un via à travers la plaque porteuse (11, 41, 69) moulée par injection.
  2. Plaque de détection (27, 28, 80, 90) selon la revendication 1, l'anode (12, 42, 101) et/ou la cathode (13, 40, 64, 102) étant formée(s) par au moins deux applications conductrices d'électricité.
  3. Plaque de détection (27, 28, 80, 90) selon la revendication 2, le via créé à travers les au moins deux applications conductrices d'électricité permettant de conduire le courant anodique, respectivement le courant cathodique vers l'extérieur, à partir de l'espace intérieur (16, 43, 105) de l'élément détecteur (20, 50, 81, 91, 100).
  4. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, l'anode (12, 42, 101) et la cathode (13, 40, 64, 102) délimitant au moins en partie l'espace intérieur (16, 43, 105).
  5. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, l'espace intérieur (16, 43, 105) étant délimité en partie par un élément protecteur (10, 40) plan et l'élément protecteur (10, 40) plan formant partiellement ou totalement l'anode (12, 42, 101) ou la cathode (13, 40, 64, 102).
  6. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, l'anode (12, 42, 101) et/ou la cathode (13, 40, 64, 102) étant voûtée(s) ou comportant au moins deux surfaces avec des normales à la surface d'orientation différente.
  7. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, les éléments détecteurs (20, 50, 81, 91, 100) étant électriquement connectés avec des circuits analyseurs, les circuits analyseurs étant placés partiellement ou totalement dans le trajet de faisceau déterminant pour la mesure et étant blindés au moyen de métallisations de blindage.
  8. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, les éléments détecteurs (20, 50, 81, 91, 100) étant électriquement connectés avec des circuits analyseurs, les circuits analyseurs étant placés partiellement ou totalement hors du trajet de faisceau déterminant pour la mesure.
  9. Plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes, l'anode (12, 42, 101) et/ou la cathode (13, 40, 64, 102) étant connectée(s) de manière conductrice avec une zone de contact (25, 26, 46, 106, 107) ou comportant ladite zone de contact (25, 26, 46, 106, 107), la zone de contact (25, 26, 46, 106, 107) étant placée à l'extérieur de l'espace intérieur (16, 43, 105).
  10. Plaque de détection (27, 28, 80, 90) selon la revendication 9, la zone de contact (25, 26, 46) s'étendant par-dessus un tenon (63) et le tenon (63) étant prévu pour créer une connexion enfichable conductrice.
  11. Plaque de détection (27, 28, 80, 90) selon la revendication 1, la plaque porteuse (11, 41, 69) formant au moyen des vias un contre-agencement d'un agencement de grilles matricielles à billes.
  12. Appareil d'analyse de rayonnement, pourvu d'une plaque de détection (27, 28, 80, 90) selon l'une quelconque des revendications précédentes.
  13. Procédé, destiné à fabriquer une plaque de détection (27, 28, 80, 90), constituée d'une plaque porteuse (11, 41, 69) pourvue d'une pluralité d'éléments détecteurs (20, 50, 81, 91, 100), destinés à détecter un rayonnement ionisant, les éléments détecteurs (20, 50, 81, 91, 100) étant conçus pour générer, lors d'une ionisation indirecte ou directe par rayonnement ionisant, dans un espace intérieur (16, 43, 105) de l'élément détecteur (20, 50, 81, 91, 100) concerné un courant d'ionisation électrique entre une anode (12, 42, 101) et une cathode (13, 40, 64, 102) de l'élément détecteur (20, 50, 81, 91, 100) concerné, caractérisé par les étapes consistant à :
    - fabriquer la plaque porteuse (11, 41, 69) au moyen d'un procédé de moulage par injection, l'espace intérieur (16, 43, 105) étant conçu au moins en partie au moyen d'une cuvette dans la plaque porteuse (11, 41, 69) et la cuvette comportant un orifice (44) ou deux orifices (14, 15) et
    - ajouter des applications conductrices d'électricité, utilisables dans les éléments détecteurs (20, 50, 81, 91, 100) en tant qu'anode (12, 42, 101) et/ou de cathode (13, 40, 64, 102), au moins l'une des applications conductrices d'électricité n'étant pas placée dans un plan unique et l'orifice (44) ou les deux orifices (14, 15) de la cuvette de l'élément détecteur (20, 50, 81, 91, 100) concerné étant munis chacun d'un via à travers la plaque porteuse (11, 41, 69).
  14. Procédé selon la revendication 13, l'anode (12, 42, 101) et/ou la cathode (13, 40, 64, 102) étant formée(s) par au moins deux applications conductrices d'électricité.
  15. Procédé selon la revendication 14, au moyen des au moins deux applications conductrices d'électricité, un via étant créé sur la plaque porteuse (11, 41, 69).
EP14737149.6A 2013-07-03 2014-07-01 Platine de détection pour l'analyse de rayonnements et son procédé de fabrication Not-in-force EP3017458B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013011077.7A DE102013011077A1 (de) 2013-07-03 2013-07-03 Detektorplatte zur Strahlungsanalyse und Herstellungsverfahren derselben
PCT/EP2014/001793 WO2015000582A2 (fr) 2013-07-03 2014-07-01 Platine de détection pour l'analyse de rayonnements et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3017458A2 EP3017458A2 (fr) 2016-05-11
EP3017458B1 true EP3017458B1 (fr) 2019-03-13

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EP14737149.6A Not-in-force EP3017458B1 (fr) 2013-07-03 2014-07-01 Platine de détection pour l'analyse de rayonnements et son procédé de fabrication

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Country Link
US (1) US10176975B2 (fr)
EP (1) EP3017458B1 (fr)
CN (1) CN105474350B (fr)
DE (1) DE102013011077A1 (fr)
WO (1) WO2015000582A2 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1225058A (en) 1968-08-26 1971-03-17 Atomic Energy Authority Uk Improvements in or relating to nuclear radiation detectors
US4769547A (en) 1987-01-27 1988-09-06 Medrad, Inc. Personal dosimeter having a volume of gas atop an integrated circuit
US6121622A (en) 1995-07-14 2000-09-19 Yeda Research And Development Co., Ltd. Imager or particle detector and method of manufacturing the same
ATE426823T1 (de) 2000-01-13 2009-04-15 Hamamatsu Photonics Kk Strahlungsbildsensor und szintillatorplatte
JP2003084066A (ja) * 2001-04-11 2003-03-19 Nippon Kessho Kogaku Kk 放射線検出器用部品、放射線検出器および放射線検出装置
US7078705B1 (en) * 2003-09-30 2006-07-18 The Regents Of The University Of California Neutron and gamma detector using an ionization chamber with an integrated body and moderator
US7470912B2 (en) * 2004-02-09 2008-12-30 Standard Imaging, Inc. Wire-free, dual-mode calibration instrument for high energy therapeutic radiation
WO2006126075A2 (fr) * 2005-05-27 2006-11-30 Ion Beam Applications, S.A. Dispositif et procede de controle de la qualite et verification en ligne de radiotherapie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
DE102013011077A1 (de) 2015-01-08
WO2015000582A3 (fr) 2015-03-12
WO2015000582A2 (fr) 2015-01-08
EP3017458A2 (fr) 2016-05-11
CN105474350A (zh) 2016-04-06
CN105474350B (zh) 2018-06-26
US20170011896A1 (en) 2017-01-12
US10176975B2 (en) 2019-01-08

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