CN104898153B - A kind of infant industry and medical image Photoelectric Detection board device - Google Patents
A kind of infant industry and medical image Photoelectric Detection board device Download PDFInfo
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- CN104898153B CN104898153B CN201510349746.8A CN201510349746A CN104898153B CN 104898153 B CN104898153 B CN 104898153B CN 201510349746 A CN201510349746 A CN 201510349746A CN 104898153 B CN104898153 B CN 104898153B
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- photoelectric detection
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Abstract
The present invention provides the novel photoelectrics under a kind of industry and medicine perspective digital picture development occasion to detect board device.The device is produced on a kind of flexible thin-film material, including Photoelectric Detection area and parallel data treatment region.The Photoelectric Detection area be made of charge storage array, surface coating photosensitive coating, the pinpoint structure of geometry；The parallel data treatment region is a kind of microprocessor control, carries out the parallel organization that the amplification of light quantum charge integration, analog-to-digital conversion and image information data exchange；The Photoelectric Detection area is the structure that multiple can be overlapped into tablet or curved surface present situation.
Description
Technical field
The present invention relates to the electronic information technical fields that the industries such as industry, medicine, security protection have an X-rayed chromatography image light electro-detection.
More particularly to a kind of industry and medical image Photoelectric Detection board device.
Background technology
In digitized image developing system, the abundant degree of volume, processing speed and acquisition of information, x-ray are considered
Energy is converted into what electric signal was realized mostly by flat-panel detector, the computer in tablet image detector technologies and system
Image processing techniques forms the core technology of digital picture development treatment.So the characteristic of flat-panel detector is to digital picture quality
It has a huge impact.Often wish to use the X-ray detector for making every effort to large scale as far as possible and high resolution in practical application, with
The complete X-ray absorption image of big area of detection, high quality is obtained, for example, in X ray systems around the primary rotation of patient
The middle entire organ of scanning, obtains the thoracic cavity of such as patient, the entire perspective information of heart.But since flat-panel detector technology is related to
The many technical fields of nuclear physics, Semiconductor Physics, material science, core manufacturing technology is more complicated, and application cost is also very high, especially
It is in, the flat-panel detector product of big size.
Patent of the present invention proposes a kind of digital picture flat-panel detector device based on flexible circuit manufacturing technology, in low life
Under the premise of producing cost, flexibly processing picture signal, with the semi conductive high density large scale integrated chip of existing maturation
Finished product technology, design are combined into the opto-electronic conversion detector of large-size, and are kept close to non-crystalline silicon visual detector
The level of spatial resolution and detective quantum efficiency.
Invention content
The technical problems to be solved by the invention are to provide low in a kind of industry and medical image number development treatment
Production cost, image sensing signal are flexibly handled, spatial resolution and detective quantum efficiency it is moderate image tablet detection
Device device.
The technical problems to be solved by the invention are realized using following technical scheme：A kind of infant industry and medical image
Photoelectric Detection board device, for the X ray such as industry, medicine, security protection number development occasion, including multiple photodetector unit groups
L-shaped strip-shaped flexible thin film circuit, multiple L-type strip-shaped flexible thin film circuits are overlapped by plane or are formed by stacking complete inspection by curved surface
Survey device device.The photodetector unit is divided into Photoelectric Detection area and parallel data treatment region Liang Ge areas, by a 5X5 totally 25
A charge storage array, one large-scale field effect transistor switch control chip, a public charge integrating circuit and a list
First microprocessor parallel processing chip is formed.
The charge storage array is made of the charge accumulator that the five-element five arrange, and preferable application example is the water of memory
Flat 1000 μm ~ 2000 μm of spacing, vertical interval are 1000 μm ~ 1500 μm, rectangle or circle, and surface coating visible ray all can measure sense
Optical coating, be such as applied to X-ray digital image it is photosensitive when, in memory geometric center alignment flash layer cesium iodide grid filling hole
The heart.For this purpose, the colour developing column in its corresponding X-ray scintillation body layer or luminescent coating need to be designed to corresponding geometric position distribution.
The large-scale field effect transistor switch control chip needs connecing for the analog channel of energy single control 25 or more
Ground and sample of signal, package dimension are less than below 8X8cm.Higher accurate dimension positioning is such as obtained, need to be mounted using bare die.
The light quantum got on memory is converted into electric signal, picture signal and local by the charge integrating circuit
The signal-to-noise ratio of noise is higher than 12 bits.One more excellent example is the TLV2252 dual operational amplifier chips using micropackaging
Construct integrating circuit.
The unit microprocessor parallel processing chip is by 16 risc microcontroller chips of micropackaging and built-in
High-speed a/d conversion circuit is formed.Several more excellent examples be using MSP430F2013 TSSOP14 patches encapsulation or
The UFQFPN20 patches encapsulation of STM8L151F3U6.When obtaining 300 μm X300 μm or more of spatial resolution, it need to use naked
Piece mounts.
The L-type strip-shaped flexible thin film circuit is made of 10 ~ 15 photodetector units, Liang Ge areas is formed altogether, first, light
Electro-detection area, first, realtime graphic parallel processing area；Photoelectric Detection 5 ~ 7mm of sector width, realtime graphic parallel processing sector width are
The former 2 ~ 3 times.Band-like tablet visual detector can be made in single L-type strip-shaped flexible thin film circuit, in scan-type picture number
It is applied in word toning system, such as bone digital angiography, the image detection of X-ray machine security protection instrument；Multiple L-type strip-shaped flexible thin-film electros
Road can be overlapped into flat or curved face type visual detector, be applied in local radiography and CT tomographic map opto-electronic conversions.
Description of the drawings
Fig. 1 is single photodetector unit electrical block diagram in apparatus of the present invention.Fig. 2 is L-type in apparatus of the present invention
Strip-shaped flexible thin film circuit cross section structure schematic diagram.Fig. 3 is that L-type flexible thin film circuit has been overlapped by plane in apparatus of the present invention
Whole detector structure diagram.Fig. 4 is that L-type flexible thin film circuit is overlapped into complete detector structure by curved surface in apparatus of the present invention
Schematic diagram.
Specific embodiment
In order to make the technical means, creative features, achievement of purpose and effectiveness of the invention easy to understand, with reference to tool
Body illustrates, and the present invention is furture elucidated.
As shown in Figure 1, a kind of infant industry and medical image Photoelectric Detection board device, for industry, medicine, security protection
Etc. industries perspective tomographic map Photoelectric Detection, including multiple photodetector unit circuits form L-type strip-shaped flexible thin film circuit,
Multiple L-type flexible thin film circuits are overlapped by plane or curved surface is formed by stacking complete detector device.The photodetector unit
For circuit production on fexible film, 100 μm ~ 200 μm of flexible thin film thickness is divided into Photoelectric Detection area（1）With parallel data treatment region
（2）Liang Ge areas, Photoelectric Detection area（1）By a 5X5 totally 25 charge memory arrays（3）Composition；Parallel data treatment region（2）
By one large-scale field effect transistor switch control chip（4）, a public charge integrating circuit（5）With a unit microprocessor
Device parallel processing chip（6）It forms；The Photoelectric Detection area（1）The upper charge accumulator for being laid with the five-element five and arranging（3）, one compared with
Good application example is 1000 μm ~ 2000 μm of the level interval of memory, and vertical interval is 1000 μm ~ 1500 μm, charge accumulator
Rectangular or round, equal surface coating visible ray all can measure photosensitive coating, and each memory geometric center is directed at flash layer iodate
Caesium grid fills hole center.As shown in Fig. 3 institutes, whole Photoelectric Detection areas（1）、（7）It is overlapped into complete photoelectricity tablet
It is contacted with X-ray scintillation layer.The parallel data treatment region（2）In large-scale field effect transistor switch control chip（4）
Energy single controls ground connection and the sample of signal of the analog channel of 25 or more；Sample microprocessor parallel processing chip（6）Control
Charge accumulator（3）With public charge integrating circuit（5）Connection and integrated signal high-speed a/d conversion, conversion end is laggard
Row data communications exchange.Whole parallel data treatment regions（2）、（8）In microprocessor chip carry out concurrent working.Such as Fig. 4
Shown, described Photoelectric Detection area（1）、（7）Also curved surface can be overlapped by required.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited by above-mentioned implementation, described in the above embodiment and specification is to illustrate this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (3)
1. a kind of industry and medical image Photoelectric Detection board device, which is characterized in that this device is to be produced on a kind of flexibility
On thin-film material, the image Photoelectric Detection slab construction including Photoelectric Detection area and parallel data treatment region Liang Ge areas；
The Photoelectric Detection area by one 5 × 5 totally 25 charge memory arrays form；
The parallel data treatment region is by one large-scale field effect transistor switch control chip, a public charge integrating circuit
It is formed with a microprocessor parallel data processing chip；
The large size field effect transistor switch control chip energy single controls ground connection and the signal of the analog channel of 25 or more
Sampling；Microprocessor parallel data processing chip controls each charge memory array company with public charge integrating circuit respectively
It connects and the high-speed a/d of integrated signal is converted, data communications exchange is carried out after conversion end.
2. a kind of industry according to claim 1 and medical image Photoelectric Detection board device, which is characterized in that described
Photoelectric Detection area is surface coating photosensitive coating and the pinpoint structure of geometry.
3. a kind of industry according to claim 1 and medical image Photoelectric Detection board device, which is characterized in that described
Photoelectric Detection area is the structure that multiple can be overlapped into tablet or curve form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349746.8A CN104898153B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image Photoelectric Detection board device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349746.8A CN104898153B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image Photoelectric Detection board device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104898153A CN104898153A (en) | 2015-09-09 |
| CN104898153B true CN104898153B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510349746.8A Expired - Fee Related CN104898153B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image Photoelectric Detection board device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881171A (en) * | 1986-07-09 | 1989-11-14 | U.S. Philips Corp. | Scintillation camera having simplified electronic control |
| CN102346260A (en) * | 2011-06-08 | 2012-02-08 | 上海奕瑞光电子科技有限公司 | X-ray flat panel detector with temperature sensing function and preparation method thereof |
| CN203981890U (en) * | 2014-07-04 | 2014-12-03 | 上海奕瑞光电子科技有限公司 | A kind of X ray flat-panel detector structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0868863A (en) * | 1994-08-29 | 1996-03-12 | Shimadzu Corp | Radiation detector |
-
2015
- 2015-06-24 CN CN201510349746.8A patent/CN104898153B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881171A (en) * | 1986-07-09 | 1989-11-14 | U.S. Philips Corp. | Scintillation camera having simplified electronic control |
| CN102346260A (en) * | 2011-06-08 | 2012-02-08 | 上海奕瑞光电子科技有限公司 | X-ray flat panel detector with temperature sensing function and preparation method thereof |
| CN203981890U (en) * | 2014-07-04 | 2014-12-03 | 上海奕瑞光电子科技有限公司 | A kind of X ray flat-panel detector structure |
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| CN104898153A (en) | 2015-09-09 |
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