CN1959388A - Solid detector array architecture in use for radiation imaging system - Google Patents
Solid detector array architecture in use for radiation imaging system Download PDFInfo
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- CN1959388A CN1959388A CN 200510086765 CN200510086765A CN1959388A CN 1959388 A CN1959388 A CN 1959388A CN 200510086765 CN200510086765 CN 200510086765 CN 200510086765 A CN200510086765 A CN 200510086765A CN 1959388 A CN1959388 A CN 1959388A
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- detector array
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- radiation image
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Abstract
A solid detector array structure in radiation-imaging system is prepared as forming single detector by bind-solidifying each flash crystal with photoelectric diode and coating reflection layer on them, isolating and solidifying isolation plate being used to arrange detectors in sequence, jacketing insulator at bottom of each said diode, embedding isolation plate and insulator on metal groove plate to form detector array, covering lead plate and foamed rubber layer on said array and using metal shell to fix them on metal groove plate.
Description
Technical field
The invention belongs to the radiation checking technical field, relate to the solid probe device that is used for X, gamma-radiation imaging system,
Background technology
In the prior art, Chinese patent 02286053.3 discloses a kind of radiant image solid probe, the detector array of forming with it, though possessed detection efficiency and highly sensitive, anti-irradiation, anti-scattering, the anti-harassing and wrecking ability of electromagnetism, environmental suitability are strong, passage of scintillation light is harassed is advantage such as zero.But, because the sheathing material of single detector is to be formed and narrow space by the lower material extending of density, it in too thick heavy metal material can not be set, otherwise it is excessive to understand the dead band, thereby ray is harassed and is fallen thoroughly inadequately with scattering.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the purpose of this invention is to provide a kind of solid detector array architecture that is used for radiation image-forming system, it can keep solution lucifuge, protection against the tide, vibrationproof, the electromagnetism antijamming capability is strong, installation and maintenance are easily advantage the time, do not reducing the sensitive volume and do not increasing under the prerequisite in dead band, improve the anti-scattering of ray to greatest extent, resist the ability of harassing, improve the sharpness of imaging.
In order to reach above-mentioned goal of the invention, technical scheme of the present invention realizes as follows:
A kind of solid detector array architecture that is used for radiation image-forming system, it comprises a plurality of scintillation crystals that formed by cesium iodide or cadmium tungstate and the photodiode of coupling with it.Its design feature is that described each scintillation crystal and the bonding curing of photodiode also scribble reflection horizon formation single detector.Each detector is arranged in order with dividing plate isolates and bonding curing mutually, and the bottom suit insulator of each photodiode also makes that its pin is downward to be gone out.Each dividing plate, insulator interlocking form the detector array of being made up of a plurality of detectors on the metal frid.Be equipped with stereotype on the detector array, place the foamed rubber layer on the stereotype, detector array is contained and be fixed on the metal frid by metal housing.
The present invention is owing to adopted above-mentioned structure, will by each scintillation crystal and photodiode be bonding and single detector that form is arranged in order, and the partition that adopts heavy metal such as tungsten to make, each detector is isolated, and lay a stereotype in each partition top, the ray that has improved detector so greatly resists harasses and anti-scattering power.In addition, use mildew-resistant, lucifuge, moistureproof glue to be coated in metal housing and be connected the place, slit with metal frid, insulator etc., one side is lucifuge fully, has increased the electromagnetism interference free performance of detector array on the other hand.Before and after the detector crystal and between the outer cover, between stereotype and the outer cover foamed rubber layer is housed, improved shockproof properties.Therefore the present invention have anti-scattering, anti-ly harass, lucifuge, protection against the tide, shockproof, the dead band is little, characteristics such as detachable.For the detector that uses single photodiode and single crystal to form, during maintenance, can also be changed single detector, need not destroy a fundamental measurement unit.Make and check that fault is very convenient, greatly reduce maintenance cost.
Description of drawings
Fig. 1 is a structural profile synoptic diagram of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to the structural profile synoptic diagram;
Fig. 3 is that the B of Fig. 1 is to synoptic diagram;
Fig. 4 is that the C of Fig. 1 is to view;
Fig. 5 is user mode figure of the present invention.
Embodiment
The present invention will be further described below in conjunction with the drawings and the specific embodiments.
Referring to Fig. 1～Fig. 4, solid detector array architecture of the present invention comprises a plurality of scintillation crystals 4 that formed by cesium iodide or cadmium tungstate and the photodiode 3 of coupling with it.Each scintillation crystal 4 and the photodiode 3 bonding curing of usefulness optics transparent adhesive tape also scribble reflection horizon formation single detector.Each detector is arranged in order the dividing plate made from heavy metal 9 isolates and bonding curing mutually.The bottom suit insulator 2 of each photodiode 3 also makes its pin prolong.Each dividing plate 9, insulator 2 interlockings form the detector array of being made up of a plurality of detectors on metal frid 1.Be equipped with stereotype 5 on the detector array, place foamed rubber layer 6 on the stereotype 5.Metal housing 7 with copper drawing and forming and nickel plating is fixed on the metal frid 1 with the detector array containing and by screw 8.Contact with metal frid 1 and each insulator 2 at metal housing 7 and to scribble protection against the tide, shockproof, lucifuge glue on the slit.
Referring to Fig. 5, use when of the present invention, solid detector array is installed in it on printed circuit board (PCB) 10 by the mounting hole of establishing in addition on the metal frid 1, printed circuit board (PCB) is provided with the connection and the bias voltage of detector, certainly also biasing not, the angle that makes incident ray and fixed detector can reduce like this and crosstalk near 0 degree.
Claims (5)
1, a kind of solid detector array architecture that is used for radiation image-forming system, it comprises a plurality of scintillation crystals that formed by cesium iodide or cadmium tungstate (4) and the photodiode (3) that is coupled with it, it is characterized in that, described each scintillation crystal (4) and the bonding curing of photodiode (3) also scribble reflection horizon formation single detector, each detector is arranged in order with dividing plate (9) isolates and bonding curing mutually, the bottom suit insulator (2) of each photodiode (3) also makes that its pin is downward to be gone out, each dividing plate (9), insulator (2) interlocking is gone up at metal frid (1) and is formed the detector array of being made up of a plurality of detectors, be equipped with stereotype (5) on the detector array, stereotype (5) go up to be placed foamed rubber layer (6), detector array is contained and is fixed on the metal frid (1) by metal housing (7).
2, according to the described solid probe array architecture that is used for radiation image-forming system of claim 1, it is characterized in that described metal housing (7) is by copper drawing and forming and nickel plating.
According to the described solid probe array architecture that is used for radiation image-forming system of claim 1, it is characterized in that 3, the material of described dividing plate (9) adopts tungalloy.
According to claim 1, the 2 or 3 described solid probe array architectures that are used for radiation image-forming system, it is characterized in that 4, described metal housing (7) adopts screw (8) fixing with being connected of metal frid (1).
According to the described solid probe array architecture that is used for radiation image-forming system of claim 4, it is characterized in that 5, described metal housing (7) contacts the material that scribbles protection against the tide, shockproof, lucifuge on the slit with metal frid (1) and each insulator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510086765 CN1959388B (en) | 2005-11-03 | 2005-11-03 | Solid detector array architecture in use for radiation imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510086765 CN1959388B (en) | 2005-11-03 | 2005-11-03 | Solid detector array architecture in use for radiation imaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1959388A true CN1959388A (en) | 2007-05-09 |
| CN1959388B CN1959388B (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510086765 Active CN1959388B (en) | 2005-11-03 | 2005-11-03 | Solid detector array architecture in use for radiation imaging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN1959388B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792805A (en) * | 2015-04-16 | 2015-07-22 | 中国原子能科学研究院 | Transmission detector and interpolation data calculation method |
| CN114210594A (en) * | 2021-12-09 | 2022-03-22 | 合肥泰禾卓海智能科技有限公司 | Intelligent dry separator X-ray detector mounting and accommodating device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6426991B1 (en) * | 2000-11-16 | 2002-07-30 | Koninklijke Philips Electronics N.V. | Back-illuminated photodiodes for computed tomography detectors |
| CN2578841Y (en) * | 2002-11-15 | 2003-10-08 | 清华大学 | Radial imaging solid detector |
| CN2736764Y (en) * | 2004-09-14 | 2005-10-26 | 清华大学 | Radiation image formation array solid-state detector |
| CN2862022Y (en) * | 2005-11-03 | 2007-01-24 | 清华大学 | Solid detector array structure for radiation imaging system |
-
2005
- 2005-11-03 CN CN 200510086765 patent/CN1959388B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792805A (en) * | 2015-04-16 | 2015-07-22 | 中国原子能科学研究院 | Transmission detector and interpolation data calculation method |
| CN104792805B (en) * | 2015-04-16 | 2017-09-12 | 中国原子能科学研究院 | A kind of transmission detectors and interpolated data computational methods |
| CN114210594A (en) * | 2021-12-09 | 2022-03-22 | 合肥泰禾卓海智能科技有限公司 | Intelligent dry separator X-ray detector mounting and accommodating device |
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| Publication number | Publication date |
|---|---|
| CN1959388B (en) | 2010-05-05 |
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