CN104849744B - A kind of infant industry and medical image photoelectric detection system - Google Patents
A kind of infant industry and medical image photoelectric detection system Download PDFInfo
- Publication number
- CN104849744B CN104849744B CN201510349761.2A CN201510349761A CN104849744B CN 104849744 B CN104849744 B CN 104849744B CN 201510349761 A CN201510349761 A CN 201510349761A CN 104849744 B CN104849744 B CN 104849744B
- Authority
- CN
- China
- Prior art keywords
- photoelectric detection
- medical image
- data treatment
- parallel data
- detection system
- 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.)
- Expired - Fee Related
Links
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention provides the novel photoelectric detection devices under a kind of industry and medicine perspective digital picture development occasion.The device is produced on a kind of multilayer board material, including Photoelectric Detection area and parallel data treatment region.The Photoelectric Detection area is close packed structure be made of charge storage array, surface coating photosensitive coating；The parallel data treatment region is the parallel organization that a kind of microprocessor control, the conversion of built-in high-speed a/d, the amplification of control light quantity charge of the electron and image information data exchange；The Photoelectric Detection area is can Scan Architecture with moving horizontally for Transmission X light beam precision Synchronization Control.
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 system.
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 or strip-shaped detector, image photodetector technologies and is
Computer image processing technology in system forms the core technology of digital picture development treatment.So spy of image photoelectric detector
Property has a huge impact digital picture quality.Often wish to use in practical application to make every effort to large scale as far as possible and high resolution
X-ray detector, to obtain the complete X-ray absorption image of big area of detection, high quality, for example, in X ray system rings
Entire organ is scanned in the primary rotation of patient, obtains the thoracic cavity of such as patient, the entire perspective information of heart.But due to big
Area flat panel detector technologies are related to many technical fields of nuclear physics, Semiconductor Physics, material science, core manufacturing technology compared with
Complexity, application cost is also very high, especially in, the flat-panel detector product of big size.
Patent of the present invention proposes a kind of digital picture detection device based on multilayer board 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 larger band-like size, and are kept close to non-crystalline silicon image detection
The spatial resolution of device and the level of 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 the high image photoelectric detection system of detective quantum efficiency.
The technical problems to be solved by the invention are realized using following technical scheme：A kind of infant industry and medical image
For the X ray such as industry, medicine, security protection number development occasion, L is formed including multiple photodetector units for photoelectric detection system
Type multilayer board circuit on the double stainless steel shafts being close to below X-ray scintillation layer, is driven by accurate digital control motor
Level of movement scanning motion forms complete detection device with radiographic source.
The photodetector unit is divided into Photoelectric Detection area and double parallel data treatment region Gong Sange areas, is arranged by the five-element ten
Totally 50 charge storage arrays, large-scale field effect transistor switch control chip, public charge integrating circuit and unit microprocessor
Device parallel processing chip is formed.
By 5X10, totally 50 charge accumulators form the charge storage array, and preferable application example is memory
1000 μm of m of level interval, 1000 μm of vertical interval, rectangle or circle, surface coating visible ray all can measure photosensitive coating.
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 200 μm X200 μm or more of spatial resolution, it need to use naked
Piece mounts.
The band-like multilayer board circuit of L-type is made of 10 ~ 15 photodetector units, forms three areas altogether, when
Photoelectric Detection area, two are realtime graphic parallel processing areas；Photoelectric Detection 5 ~ 7mm of sector width, realtime graphic parallel processing area are wide
Degree is the former 2 ~ 3 times.800 μm of L-type multilayer board circuit thickness, the double stainless steel shafts being fixed below X-ray scintillation layer
On, horizontal sweep is made by the driving of accurate digital control motor, scan-type image digitization toning system is formed with x-ray source, in bone number
It is applied in the image Photoelectric Detection of word radiography, thoracic cavity digital angiography, X-ray machine security protection instrument, inside workpiece structure perspective etc.；It also can be
It is applied in the slightly lower circulating type tomographic map detection parsing of rate request.
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
Band-like multilayer circuit board positive structure schematic.Fig. 3 is apparatus of the present invention structural section 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 3, a kind of infant industry and medical image photoelectric detection system, for the row such as industry, medicine, security protection
Industry has an X-rayed the Photoelectric Detection of tomographic map, including the band-like multilayer board electricity of multiple photodetector unit circuits composition L-type
Road（19）, 800 μm of printed circuit plate thickness is fixed on X-ray scintillation layer（17）On double stainless steel shafts of lower section（18）, by precision
Horizontal sweep is made in the driving of numerical control motor, with x-ray source（11）Form scan-type image digitization toning system.As shown in Fig. 1, institute
The photodetector unit circuit production stated is divided into Photoelectric Detection area on multilayer board（1）With parallel data treatment region
（2）、（3）Three areas；The Photoelectric Detection area（1）The upper laying five-element ten arrange totally 50 charge memory arrays（4）Composition；One
A preferable application example is 1000 μm of the level interval of memory, and vertical interval is 1000 μm, and charge accumulator is rectangular or round
Shape, equal surface coating visible ray all can measure photosensitive coating；The parallel data treatment region（2）、（3）, by large-scale three pole of field-effect
Pipe switch control chip（7）、（8）, public charge integrating circuit（6）、（9）And unit microprocessor parallel processing chip（5）、
（10）It forms.As shown in figure 3, X ray source capsule（11）And ray window（12）By can precision rotation shielding lead（13）It is wrapped
It wraps up in, shields and be provided with strip light penetrating slit on lead（14）, the light penetrating slit of X-ray transparent shielding lead, which scans, is radiated at sample（15）
On, and penetrate detection device film layer（16）, flash layer（17）；The shielding lead（13）With stainless steel shaft（18）Strictly
Synchronous rotary scans, it is ensured that projection X ray falls on the top flicker layer region in Photoelectric Detection area.The parallel data treatment region
（2）、（8）In microprocessor chip（5）、（10）, concurrent working is carried out, controls charge accumulator（4）With public charge integration
Circuit（6）、（9）Connection and integrated signal high-speed a/d conversion, data communications exchange is carried out after conversion end.
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 system, which is characterized in that this device be produced on it is a kind of multi-sheet printed
On circuit board material, the image photoelectricity measures the structure including Photoelectric Detection area and two parallel data treatment regions；The photoelectricity
Detection zone be it is a kind of by the five-element ten arrange totally 50 charge accumulators form, surface coating photosensitive coating banded structure；It is described
Two parallel data treatment regions be that a kind of control of microprocessor, the conversion of built-in high-speed a/d and image information data exchange
Parallel organization, the parallel data treatment region is by field effect transistor switch control chip, public charge integrating circuit and unit
Microprocessor parallel processing chip is formed, the unit microprocessor parallel processing chip in the parallel data treatment region, real
Row concurrent working, control charge accumulator are converted with the connection of public charge integrating circuit and the high-speed a/d of integrated signal, are turned
Data communication exchange is carried out after changing.
2. a kind of industry according to claim 1 and medical image photoelectric detection system, which is characterized in that the photoelectricity
Detection zone is a kind of accurate controlled architecture that can make to scan movement in horizontal direction.
3. a kind of industry according to claim 1 and medical image photoelectric detection system, which is characterized in that the photoelectricity
Detection zone is the accurate controlled architecture with the transmission seam stringent synchronization rotation sweep on the shielding lead outside X ray source capsule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349761.2A CN104849744B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image photoelectric detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349761.2A CN104849744B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image photoelectric detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104849744A CN104849744A (en) | 2015-08-19 |
| CN104849744B true CN104849744B (en) | 2018-06-19 |
Family
ID=53849526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510349761.2A Expired - Fee Related CN104849744B (en) | 2015-06-24 | 2015-06-24 | A kind of infant industry and medical image photoelectric detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104849744B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688253A (en) * | 2002-10-03 | 2005-10-26 | 皇家飞利浦电子股份有限公司 | Symmetrical multiple-slice computed tomography data measuring system |
| CN1957846A (en) * | 2005-11-01 | 2007-05-09 | Ge医疗系统环球技术有限公司 | X-ray detector and X-ray CT apparatus |
| CN103314308A (en) * | 2011-01-21 | 2013-09-18 | 通用电气公司 | X-ray system and method for sampling image data |
| CN104267424A (en) * | 2014-10-24 | 2015-01-07 | 哈尔滨工业大学 | X-ray omnidirectional detector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776466A (en) * | 1980-10-29 | 1982-05-13 | Toshiba Corp | Radiation detector |
| JPH0868863A (en) * | 1994-08-29 | 1996-03-12 | Shimadzu Corp | Radiation detector |
-
2015
- 2015-06-24 CN CN201510349761.2A patent/CN104849744B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688253A (en) * | 2002-10-03 | 2005-10-26 | 皇家飞利浦电子股份有限公司 | Symmetrical multiple-slice computed tomography data measuring system |
| CN1957846A (en) * | 2005-11-01 | 2007-05-09 | Ge医疗系统环球技术有限公司 | X-ray detector and X-ray CT apparatus |
| CN103314308A (en) * | 2011-01-21 | 2013-09-18 | 通用电气公司 | X-ray system and method for sampling image data |
| CN104267424A (en) * | 2014-10-24 | 2015-01-07 | 哈尔滨工业大学 | X-ray omnidirectional detector |
Non-Patent Citations (2)
| Title |
|---|
| CL128E与CL256C型自扫描光电二极管列阵的研究;何清义等;《西南师范大学学报》;19910331;第16卷(第1期);第136-142页 * |
| PIN结构自扫描光电二极管列阵的研究;黄友恕等;《光电工程》;19950831;第22卷(第4期);第17-23页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104849744A (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9055872B2 (en) | Radiographic image detector, radiographic imaging apparatus, radiographic imaging system | |
| JP6105806B2 (en) | High resolution computed tomography | |
| KR101716911B1 (en) | Silicon detector assembly for X-ray imaging | |
| US20170229502A1 (en) | Active pixel radiation detector array and use thereof | |
| US20170196523A1 (en) | Digital radiography detector image readout process | |
| US6069362A (en) | Multi-density and multi-atomic number detector media for applications | |
| CN102793552B (en) | Computed tomography (CT) image acquisition device and CT scanning imaging system | |
| US20120181439A1 (en) | X-ray image detection device | |
| JP2019526782A (en) | Direct photon conversion detector | |
| CN106483548B (en) | A kind of photon counting detector array and its imaging method | |
| US20040156473A1 (en) | Radiographic apparatus | |
| JP5016180B2 (en) | X-ray image acquisition device | |
| CN107427271A (en) | X-ray imaging device | |
| CN202982022U (en) | Combined-type X-ray medical image system | |
| US9435898B2 (en) | Dedicated cardiac PET | |
| CN110109174B (en) | Drift correction method, device and system for flat panel detector and storage medium | |
| CN104849744B (en) | A kind of infant industry and medical image photoelectric detection system | |
| CN102090898A (en) | Digital image detecting device for measuring detection and verification of point dosage rapidly in real time | |
| CN100449765C (en) | X-ray examination apparatus | |
| CN106456091A (en) | Imaging device | |
| CN104898153B (en) | A kind of infant industry and medical image Photoelectric Detection board device | |
| US20230168391A1 (en) | Multi-stage pixel architecture for synchronous read/integrate radiation imaging, and related systems, devices and methods | |
| CN115000109A (en) | Ray detector and ray detection equipment | |
| CN108211135A (en) | Radiotherapy multispectral imaging device | |
| US10274617B2 (en) | Radiographic imaging device and radiographic imaging method using interpolation from hexagonal to square pixels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20190624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |