CN101856272A - Splicing method of crystal panel of PET Positron Emission Tomography detector - Google Patents
Splicing method of crystal panel of PET Positron Emission Tomography detector Download PDFInfo
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- CN101856272A CN101856272A CN201010158413A CN201010158413A CN101856272A CN 101856272 A CN101856272 A CN 101856272A CN 201010158413 A CN201010158413 A CN 201010158413A CN 201010158413 A CN201010158413 A CN 201010158413A CN 101856272 A CN101856272 A CN 101856272A
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Abstract
The invention provides a splicing method of crystal panel of PET Positron Emission Tomography detector, comprising the following steps of: splicing a plurality of first-class crystal wafers by taking the wide surfaces of the first-class crystal wafers as contact surfaces to obtain initial crystal plane arrays; cutting the initial crystal plane arrays in the direction vertical to the wide surfaces and carrying out surface treatment to obtain a plurality of second-class crystal wafers, wherein the second-class crystal wafers include a plurality of crystal strips; and splicing the plurality of second-class crystal wafers to obtain the final crystal plane arrays. By the embodiment of the invention, labor and time for splicing the crystal plane arrays of the PET detector can be greatly saved and the error possibility in the technical process is also greatly lowered.
Description
Technical field
The present invention relates to the material technology field, the joining method of particularly a kind of PET (Positron EmissionComputed Tomography, position emissron tomography instrument) detector crystal face battle array.
Background technology
Because PET has the effect of molecular diagnosis, so it is for the early diagnosis of cancer, pharmacokinetics, assessment, basic research etc. have great significance, thereby also have vast market.At present, what the PET detector that most of medical treatment and scientific research institution use adopted mostly is the detector crystal planar array type, the PET detector is actually by thousands of even up to ten thousand crystal, is undertaken handling between crystal, thereby is stitched together by optical coupled agent, coating, alite paste, reflective dose.As shown in Figure 1, for having the splicing sketch map of detector crystal face battle array now.At present existing technology is used the splicing of crystal bar 1 finished surface battle array, for example, 25 crystal bars 1 can be carried out bondingly, forms final crystal face battle array 5.Wherein, each crystal bar 1 contains 6 faces, then need to carry out 5 * 5 * 6=150 time cutting and surface treatment such as polishing, in addition, per two crystal press close to face need do printing opacity, every light or light-splitting processing, this just need do 2 * 5 * 4=40 time processing between crystal, traditional mode needs to handle between the processing of 150 subsurfaces and 40 crystal, and therefore the shortcoming of prior art is that not only workload is huge as can be seen, wastes time and energy, and complex technical process, easily make mistakes.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, has proposed a kind of quick joining method of two-step of PET detector crystal face battle array.
For achieving the above object, one aspect of the present invention proposes a kind of joining method of PET detector crystal face battle array, may further comprise the steps: wide with first kind crystal wafer is that contact surface splices a plurality of first kind crystal wafers to obtain preliminary crystal face battle array, and with perpendicular to described wide direction to described preliminary crystal face battle array cut with surface treatment to obtain a plurality of second crystalloid sheets, the described second crystalloid sheet comprises a plurality of crystal bars; Splice a plurality of described second crystalloid sheets to obtain final crystal face battle array.
In one embodiment of the invention, the described second crystalloid sheet is isometric.
In one embodiment of the invention, the described second crystalloid sheet is non-isometric.
In one embodiment of the invention, obtaining the described second non-isometric crystalloid sheet comprises: the preliminary crystal face battle array that obtains a plurality of differing heights respectively; Described preliminary crystal face battle array is placed on the same horizontal plane; To the preliminary crystal face battle array of described a plurality of differing heights cut with surface treatment to obtain a plurality of second non-isometric crystalloid sheets.
In the above-described embodiments, have different printing opacities between the described second crystalloid sheet, every light or beam split.
Can also make the fallibility of technical process reduce greatly so that the work of PET detector crystal planar array splicing and time are saved greatly by the embodiment of the invention.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
The present invention above-mentioned and/or additional aspect and advantage from obviously and easily understanding becoming the description of embodiment, wherein below in conjunction with accompanying drawing:
Fig. 1 is the splicing sketch map of existing detector crystal face battle array;
Fig. 2 is the joining method flow chart of the PET detector crystal face battle array of the embodiment of the invention;
Fig. 3 uses 5 one crystalloid sheets to be spliced into the sketch map of preliminary crystal face battle array for the embodiment of the invention adopts;
Fig. 4 uses the second crystalloid sheet for the embodiment of the invention and is spliced to form the sketch map of final crystal face battle array;
Fig. 5 and 6 splices the sketch map of non-isometric crystal face battle array for the embodiment of the invention.
Description of reference numerals:
1. crystal bar; 2. a crystalloid sheet; 3. two crystalloid sheets; 4. preliminary crystal face battle array
5. final crystal face battle array
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
As shown in Figure 2, the joining method flow chart for the PET detector crystal face battle array of the embodiment of the invention may further comprise the steps:
Step S201, wide with first kind crystal wafer is that contact surface splices a plurality of first kind crystal wafers to obtain preliminary crystal face battle array, and with perpendicular to wide direction to preliminary crystal face battle array cut with surface treatment to obtain a plurality of second crystalloid sheets, wherein, the second crystalloid sheet comprises a plurality of crystal bars.For a more clear understanding of the present invention, still waiting the planar array splicing scheme of long crystal bar with 5 * 5 is that example is described, as shown in Figure 3, for adopting, the embodiment of the invention use 5 one crystalloid sheets to be spliced into the sketch map of preliminary crystal face battle array, in this step, at first use 5 one crystalloid sheets 2 to be spliced into preliminary crystal face battle array 4, Mosaic face is wide of first kind crystal wafer, then along the dotted line direction shown in Fig. 2 (perpendicular to wide direction) cut, surface treatment, form 5 two isometric crystalloid sheets 3.In this embodiment, wherein, 5 one crystalloid sheets need carry out 5 * 6=30 subsurface to be handled, and in the process that forms two crystalloid sheets, then needs 4 * 2=8 subsurface to handle, and closes on face and be spliced to form 4, so need to handle between crystal totally 4 times.Therefore, the workload of step S201 consumption is to handle between the processing of 38 subsurfaces and 4 crystal.
Step S202 splices a plurality of second crystalloid sheets to obtain final crystal face battle array.As shown in Figure 4, use the second crystalloid sheet for the embodiment of the invention and be spliced to form the sketch map of final crystal face battle array, after the two crystalloid sheets that obtain step S201 formation, use this two crystalloids sheet 3, be spliced to form final crystal face battle array 5.Wherein, in this step, need 4 of bonding formation to close on face, thus need carry out handling between 4 crystal, so the workload that S202 consumes is to handle between 4 crystal.
According to above-mentioned two steps of the present invention, present embodiment consumes workload altogether: handle between the processing of 38 subsurfaces and 8 crystal, therefore as can be seen the workload of the embodiment of the invention less than 1/3rd of traditional method, not only can greatly reduce the amount of labour, shorten process time, and can reduce the error probability of the course of processing.
Though above embodiment is that example is described with the crystal face battle array that contains 5 * 5 bars such as long crystal such as grade, but need to prove the face battle array that the invention is not restricted to this quantity and wait long type, the present invention also applicable to printing opacity between non-isometric crystal face battle array or row crystal, every light, the discrepant scheme of beam split scheme.If the present invention is useful in printing opacity between non-isometric crystal face battle array or row crystal, in light, the discrepant scheme of beam split scheme, then need be in step S201 the row crystal be generated this length or printing opacity, the second crystalloid bar under light, beam split scheme respectively.For example, with non-isometric crystal face battle array for example, as illustrated in Figures 5 and 6, for the embodiment of the invention is spliced the sketch map of non-isometric crystal face battle array, for the ease of contrast, this example also adopts the example of 5 * 5 crystal bars.At first as shown in Figure 5, use a crystalloid sheet 21,22,23,22,21 of 5 kinds of differing heights to be spliced into 5 kinds of preliminary crystal face battle arrays 41,42,43,42,41 of differing heights respectively, described preliminary crystal face battle array 41,42,43,42,41 is placed on the same horizontal plane; Then along the dotted line direction shown in Fig. 5, promptly perpendicular to wide direction of a crystalloid sheet, cut, surface treatment, form isometric 5 two crystalloid sheets 31,32,33,32,31 respectively.Afterwards, the two crystalloid sheets that will produce as shown in Figure 6 carry out the splicing of step S202 by 31,32,33,32,31 order, form final nearly dignity battle array 5.If when batch process face battle array, it is identical with the embodiment that waits the long crystal front that the workload of this embodiment is calculated, and is to handle between the processing of 38 subsurfaces and 4 crystal.
Promote it, if do N * N face battle array, the processing capacity that traditional approach needs is: 6N
2Handle between the surface treatment of face and 2N (N-1) crystal, and the processing capacity that needs by two-step joining method of the present invention is: handle between the crystal of the surface treatment amount of 8N-2 face and 2N-2 face.Therefore can also make the fallibility of technical process reduce greatly so that the work of PET detector crystal planar array splicing and time are saved greatly by the embodiment of the invention.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (5)
1. the joining method of a position emissron tomography instrument PET detector crystal face battle array is characterized in that, may further comprise the steps:
Wide with first kind crystal wafer is that contact surface splices a plurality of first kind crystal wafers to obtain preliminary crystal face battle array;
With perpendicular to described wide direction to described preliminary crystal face battle array cut with surface treatment to obtain a plurality of second crystalloid sheets, the described second crystalloid sheet comprises a plurality of crystal bars; And
Splice a plurality of described second crystalloid sheets to obtain final crystal face battle array.
2. the joining method of PET detector crystal face battle array as claimed in claim 1 is characterized in that, the described second crystalloid sheet is isometric.
3. the joining method of PET detector crystal face battle array as claimed in claim 1 is characterized in that, the described second crystalloid sheet is non-isometric.
4. the joining method of PET detector crystal face battle array as claimed in claim 3 is characterized in that, the step that obtains the described non-isometric second crystalloid sheet comprises:
Obtain the preliminary crystal face battle array of a plurality of differing heights respectively;
Described preliminary crystal face battle array is placed on the same horizontal plane; And
To the preliminary crystal face battle array of described a plurality of differing heights cut with surface treatment to obtain a plurality of second non-isometric crystalloid sheets.
5. as the joining method of each described PET detector crystal face battle array of claim 1-4, it is characterized in that having different printing opacities between the described second crystalloid sheet, every light or beam split.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010158413A CN101856272A (en) | 2010-04-22 | 2010-04-22 | Splicing method of crystal panel of PET Positron Emission Tomography detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010158413A CN101856272A (en) | 2010-04-22 | 2010-04-22 | Splicing method of crystal panel of PET Positron Emission Tomography detector |
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| CN101856272A true CN101856272A (en) | 2010-10-13 |
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| CN201010158413A Pending CN101856272A (en) | 2010-04-22 | 2010-04-22 | Splicing method of crystal panel of PET Positron Emission Tomography detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981179A (en) * | 2012-11-05 | 2013-03-20 | 中国科学院高能物理研究所 | Position table generating method for scintillation detector |
| WO2018214400A1 (en) * | 2017-05-25 | 2018-11-29 | 苏州瑞派宁科技有限公司 | Three-dimensional heterogeneous pet system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186246A (en) * | 1997-11-22 | 1998-07-01 | 深圳奥沃国际科技发展有限公司 | Photoelectric detector for tomography |
| US6749761B1 (en) * | 2000-10-10 | 2004-06-15 | Cti Pet Systems, Inc. | Method for producing a high resolution detector array |
| CN1868406A (en) * | 2005-05-12 | 2006-11-29 | 西门子公司 | Combined MR/PET system |
-
2010
- 2010-04-22 CN CN201010158413A patent/CN101856272A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1186246A (en) * | 1997-11-22 | 1998-07-01 | 深圳奥沃国际科技发展有限公司 | Photoelectric detector for tomography |
| US6749761B1 (en) * | 2000-10-10 | 2004-06-15 | Cti Pet Systems, Inc. | Method for producing a high resolution detector array |
| CN1868406A (en) * | 2005-05-12 | 2006-11-29 | 西门子公司 | Combined MR/PET system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102981179A (en) * | 2012-11-05 | 2013-03-20 | 中国科学院高能物理研究所 | Position table generating method for scintillation detector |
| WO2018214400A1 (en) * | 2017-05-25 | 2018-11-29 | 苏州瑞派宁科技有限公司 | Three-dimensional heterogeneous pet system |
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Application publication date: 20101013 |