CN105759298A - Combined slice X-ray regulation and control device - Google Patents
Combined slice X-ray regulation and control device Download PDFInfo
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- CN105759298A CN105759298A CN201610184519.9A CN201610184519A CN105759298A CN 105759298 A CN105759298 A CN 105759298A CN 201610184519 A CN201610184519 A CN 201610184519A CN 105759298 A CN105759298 A CN 105759298A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
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- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The invention relates to a combined slice X-ray regulation and control device and belongs to the technical field of regulation and control devices. The combined slice X-ray regulation and control device is composed of successively arranged slices with gradually decreased sizes. The slices comprise hole channels with the same number and arrangement ways. The transverse span of the hole channel cross section of the initial slice is greater than that of the tail slice. An X ray enters from the inlet of the hole channel of the initial slice, is subjected to total reflection multiple times in the hole channels and then is transmitted to the outlet of the hole channel of the tail slice to be emitted. The combined slice X-ray regulation and control device may transmit the X ray within a large-area range to minor area, guarantees the light intensity loss within an acceptable range in a transmission process. The cooperative use of the combined slice X-ray regulation and control device and a position-sensitive X-ray detector may achieve large-area high-resolution X-ray imaging so as to satisfy the application requirement of the combined slice X-ray regulation and control device in medical and space exploration fields.
Description
Technical field
The invention belongs to regulation and control device device technique field, especially with a kind of combination type section X ray regulation and control device.
Background technology
Position sensitive X-ray detector can obtain the locus of single photon, and long-time detection can realize small-signal imaging, has many application in fields such as military, physics and space explorations.Relative to image intensifier, position sensitive detector not only sensitivity is higher, and can obtain digitized image.Owing to working in count mode, such detector has the advantage of ultra-low noise, has than the sensitivity higher generally as booster and bigger dynamic range.But the useful detection area of existing position sensitive detector is less, it is impossible to adapt to the field of the needs large area such as space exploration, medical imaging detection.If can adopt X ray bunching system that X ray interior in a big way is converged to position sensitive detector, then can realize the large area detection of X ray.The X ray optics such as existing such as multi-capillary X-ray lens, KB mirror, multilayer film optics all can realize X ray aggregation feature, but X-ray beam after above-mentioned device converges otherwise cannot with position sensitive detector with the use of, or entrance X-ray information cannot be reduced.For the problems referred to above, this patent the applicant has researched and developed a kind of combination type section X ray regulation and control device and has solved the problems referred to above.
Summary of the invention
The problem that the purpose of the present invention is intended to overcome useful detection area that existing position sensitive detector exists less and cannot adapt to the needs large area field of detecting such as space exploration, medical imaging, it is provided that a kind of make device imaging region maximize and ensure the combination type section X ray regulation and control device of its degree of accuracy.
For this, the present invention by the following technical solutions:
Combination type section X ray regulation and control device, it is sequentially reduced and is arranged in order section by its overall dimensions of multi-disc to form, the hole path and the arrangement mode that all comprise equal number in every a piece of section are consistent, hole path cross section horizontal span in the section of initial arrangement is more than the hole path lateral cross section transverse width in the section of ending arrangement, X ray is incident by initiateing section hole path arrival end, via the hole path port of export outgoing of multiple total reflection transmission to ending section in hole path.
The manufacture method of a kind of section, step 1, is added after packing material by square glass pipe and draws out solid square sub-pipe by wire drawing machine；
Step 2, by mould by square sub-pipe by row be arranged in order up and down and draw out the square sub-pipe of solid compound by wire drawing machine；
Step 3, by mould square for compound sub-pipe pressed row proper alignment and draws the square vertebral body of secondary compound by wire drawing machine；
Step 4, the re-compounded vertebral body of stretch forming is cut into square section；
Step 5, finally chemical reagent is put in the square section cut out and erode packing material, obtain square opening section.
Use the present invention can reach following beneficial effect: the X-ray in wide area can be transmitted to less area by the present invention, and ensure the light intensity loss in transmitting procedure within the acceptable range, this device is combined use with position sensitive X-ray detector, it is capable of large-area high resolution X-ray imaging, thus meeting the application requirement in the field such as medical science, space exploration of such device.
Accompanying drawing explanation
Fig. 1 is the longitudinal cross-section layout structure schematic diagram of the present invention.
Fig. 2 is the lateral cross section structural representation that the present invention cuts into slices
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment: as shown in Fig. 1～Fig. 2, the section 1 that combination type of the present invention section X ray regulation and control device is sequentially reduced by its overall dimensions of multi-disc and is arranged in order forms, the hole path 11 and the arrangement mode that all comprise equal number in every a piece of section 1 are consistent, hole path cross section horizontal span in the section of initial arrangement is more than the hole path lateral cross section transverse width in the section of ending arrangement, X ray is incident by initiateing section hole path arrival end, via the hole path port of export outgoing of multiple total reflection transmission to ending section in hole path 11.
Further, the cross section of hole path 11 and the cross section of described section 1 are square；The longitudinal cross-section of section 1 is isosceles trapezoid.Further, hole path 11 is arranged in order by row from top to bottom.
Further, more than 10 times of the hole path lateral cross section transverse width in the section that hole path cross section horizontal span is ending arrangement in the section of initial arrangement, imaging area can be extended to more than 100 times.Simultaneously in order to meet the total reflection condition of x-ray, in device, the quantity of square micropore section also increases accordingly, less to ensure the appearance difference that adjacent prismatic micropore is cut into slices, and so there will be neither the loss in efficiency of transmission, can obtain again the amplification of detection area.X ray is had good efficiency of transmission by this device, the judgement of x-ray incoming position is very strong, entered the correction of a series of X-ray intensity and distribution, can well reduce and detect, through X ray position sensitive detector, the radioscopic image obtained, and can well identify X ray point source in space, obtain the locus of X ray point source, energy and strength information.
Further, combination type section X ray regulation and control device also includes position sensitive X-ray detector 2, the arrangement mode of the position sensitive X-ray detector 2 hole path in the section hole path port of export being positioned over ending arrangement, section 1 is consistent with the arrangement mode that position sensitive X-ray detector 2 detects infinitesimal.Preferably, position sensitive X-ray detector 2 is fitted close to the section hole path port of export 1-2mm place of ending arrangement.Position sensitive X-ray detector 2 can directly obtain the position of exit Xray photon, energy information.By the position corresponding relation of port of export micropore and arrival end micropore, it may be determined that the incoming position of incident x-ray photons.Correction by a series of X-ray intensity and distribution, it is possible to the radioscopic image that combined formula of reducing section X ray regulation and control device arrival end is incident.
The manufacture method of present invention section,
Step 1, square glass pipe add after packing material and draw out solid square sub-pipe by wire drawing machine；
Step 2, by mould by square sub-pipe by row be arranged in order up and down and draw out the square sub-pipe of solid compound by wire drawing machine；
Step 3, by mould square for compound sub-pipe pressed row proper alignment and draws the square vertebral body of secondary compound by wire drawing machine；
Step 4, the re-compounded vertebral body of stretch forming is cut into the square section that thickness is 3mm；
Step 5, finally chemical reagent is put in the square section cut out and erode packing material, obtain square opening section.
Combined type square micropore section X-ray regulation and control device is a kind of novel multiple capillary X-ray regulation and control device, many chip sizes the square micropore being sequentially reduced section combines.The micro channel and the arrangement mode that all comprise equal number in the section of every square piece micropore are consistent, and micro channel cross section and serial section are square.The arrangement mode that the arrangement mode of the micropore in square section detects infinitesimal with position sensitive detector is consistent, it may be achieved micropore is corresponding with detection infinitesimal.Position between the micropore section of direction is determined by calculating, to ensure (the i in the section of front a piece of micropore, j) X ray of individual micropore outgoing only can enter adjacent under a piece of micropore section in (i, j) in individual micropore, without the X ray disturbing other position micropores to receive.It is arranged in order the square micropore section of multi-disc according to this compound mode and constitutes combined type square micropore section X-ray regulation and control device, just can ensure that by device arrival end (i, j) X ray that individual micropore is incident only can from device outlets end (i, j) individual micropore outgoing, the X ray between corresponding micropore will not interfere in transmitting procedure.Utilize the arrival end size combined type square micropore section X-ray regulation and control device much larger than port of export size, the X ray in wide area can be converged in less areal extent.Position sensitive detector is arranged on the combined type square micropore section X-ray regulation and control device port of export, utilizes position sensitive detector to position the photon of each micropore outgoing.Owing in every a piece of micropore section in combined type square micropore section X-ray regulation and control device, the information of micropore is all transmitted by the micropore of correspondence position, X-ray information between micropore is also noiseless, therefore the X-ray information of the port of export there is no change relative to arrival end, and only the x-ray imaging of the port of export becomes the S of arrival endout/Sin(S againoutAnd SinThe respectively area of device outlets end and arrival end).By the X-ray information of mathematical calculation reduction combined type square micropore section X-ray regulation and control device arrival end, large area x-ray imaging just can be realized.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (8)
1. combination type section X ray regulation and control device, it is characterized in that: the section (1) being sequentially reduced by its overall dimensions of multi-disc and being arranged in order forms, the hole path (11) and the arrangement mode that all comprise equal number in every a piece of section (1) are consistent, hole path cross section horizontal span in the section of initial arrangement is more than the hole path lateral cross section transverse width in the section of ending arrangement, X ray is incident by initiateing section hole path arrival end, via the hole path port of export outgoing of multiple total reflection transmission to ending section in hole path (11).
2. combination type according to claim 1 section X ray regulation and control device, it is characterised in that: the cross section of described hole path (11) and the cross section of described section (1) are square；The longitudinal cross-section of section (1) is isosceles trapezoid.
3. combination type according to claim 2 section X ray regulation and control device, it is characterised in that: more than 10 times of the hole path lateral cross section transverse width in the section that hole path cross section horizontal span is ending arrangement in the section of initial arrangement.
4. combination type according to claim 3 section X ray regulation and control device, it is characterised in that: described hole path (11) is arranged in order by row from top to bottom.
5. combination type according to claim 4 section X ray regulation and control device, it is characterized in that: described combination type section X ray regulation and control device also includes position sensitive X-ray detector (2), the arrangement mode of the position sensitive X-ray detector (2) hole path in the section hole path port of export being positioned over ending arrangement, section (1) is consistent with the arrangement mode that position sensitive X-ray detector (2) detects infinitesimal.
6. combination type according to claim 5 section X ray regulation and control device, it is characterised in that: described position sensitive X-ray detector (2) laminating is close to the section hole path port of export 1-2mm place of ending arrangement.
7. the manufacture method of a section, it is characterised in that:
Step 1, square glass pipe add after packing material and draw out solid square sub-pipe by wire drawing machine；
Step 2, by mould by square sub-pipe by row be arranged in order up and down and draw out the square sub-pipe of solid compound by wire drawing machine；
Step 3, by mould square for compound sub-pipe pressed row proper alignment and draws the square vertebral body of secondary compound by wire drawing machine；
Step 4, the re-compounded vertebral body of stretch forming is cut into square section；
Step 5, finally chemical reagent is put in the square section cut out and erode packing material, obtain square opening section.
8. the manufacture method of a kind of section according to claim 7, it is characterised in that: in step 4, the thickness of the square section of excision forming is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184519.9A CN105759298B (en) | 2016-03-28 | 2016-03-28 | Combined type is sliced X-ray and regulates and controls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184519.9A CN105759298B (en) | 2016-03-28 | 2016-03-28 | Combined type is sliced X-ray and regulates and controls device |
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| Publication Number | Publication Date |
|---|---|
| CN105759298A true CN105759298A (en) | 2016-07-13 |
| CN105759298B CN105759298B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610184519.9A Expired - Fee Related CN105759298B (en) | 2016-03-28 | 2016-03-28 | Combined type is sliced X-ray and regulates and controls device |
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Citations (8)
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| US4780395A (en) * | 1986-01-25 | 1988-10-25 | Kabushiki Kaisha Toshiba | Microchannel plate and a method for manufacturing the same |
| US5493111A (en) * | 1993-07-30 | 1996-02-20 | Litton Systems, Inc. | Photomultiplier having cascaded microchannel plates, and method for fabrication |
| US6066020A (en) * | 1997-08-08 | 2000-05-23 | Itt Manufacturing Enterprises, Inc. | Microchannel plates (MCPS) having micron and submicron apertures |
| KR200424672Y1 (en) * | 2006-06-13 | 2006-08-28 | 한화종합화학 주식회사 | X-Ray Filter |
| FR2883383A1 (en) * | 2005-03-18 | 2006-09-22 | Jean Raymond Costes | Optical and electronic device for locating and mapping e.g. transuranic element, has optical capillary fiber bundle comprising shape of cylinder or frustum of pyramid with square base or frustum of cone |
| CN101287985A (en) * | 2005-07-27 | 2008-10-15 | 物理光学公司 | Lobster eye x-ray imaging system and method of fabrication thereof |
| JP2010276423A (en) * | 2009-05-27 | 2010-12-09 | Shimadzu Corp | X-ray focusing arrangement |
| CN102670235A (en) * | 2011-02-28 | 2012-09-19 | Ge医疗***环球技术有限公司 | Two-dimensional collimator module, x-ray detector and x-ray ct apparatus |
-
2016
- 2016-03-28 CN CN201610184519.9A patent/CN105759298B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4780395A (en) * | 1986-01-25 | 1988-10-25 | Kabushiki Kaisha Toshiba | Microchannel plate and a method for manufacturing the same |
| US5493111A (en) * | 1993-07-30 | 1996-02-20 | Litton Systems, Inc. | Photomultiplier having cascaded microchannel plates, and method for fabrication |
| US6066020A (en) * | 1997-08-08 | 2000-05-23 | Itt Manufacturing Enterprises, Inc. | Microchannel plates (MCPS) having micron and submicron apertures |
| FR2883383A1 (en) * | 2005-03-18 | 2006-09-22 | Jean Raymond Costes | Optical and electronic device for locating and mapping e.g. transuranic element, has optical capillary fiber bundle comprising shape of cylinder or frustum of pyramid with square base or frustum of cone |
| CN101287985A (en) * | 2005-07-27 | 2008-10-15 | 物理光学公司 | Lobster eye x-ray imaging system and method of fabrication thereof |
| KR200424672Y1 (en) * | 2006-06-13 | 2006-08-28 | 한화종합화학 주식회사 | X-Ray Filter |
| JP2010276423A (en) * | 2009-05-27 | 2010-12-09 | Shimadzu Corp | X-ray focusing arrangement |
| CN102670235A (en) * | 2011-02-28 | 2012-09-19 | Ge医疗***环球技术有限公司 | Two-dimensional collimator module, x-ray detector and x-ray ct apparatus |
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| MICHAEL J. WOJCIK ET AL.: "Stacking multiple zone plates for efficient hard x-ray focusing at the Advanced Photon Source", 《PROC. SPIE 9592, X-RAY NANOIMAGING: INSTRUMENTS AND METHODS II, 95920G》 * |
| PHILIP E. KAARET ET AL.: "Lobster-eye x-ray optics using microchannel plates", 《PROC. SPIE 1546, MULTILAYER AND GRAZING INCIDENCE XRAY/EUV OPTICS》 * |
| 友清: "用多毛细管光学法准直和聚焦X射线", 《激光与光电子学进展》 * |
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| CN105759298B (en) | 2018-10-09 |
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Granted publication date: 20181009 Termination date: 20190328 |