JPS59152477U - Converging collimator for scintillation camera - Google Patents
Converging collimator for scintillation cameraInfo
- Publication number
- JPS59152477U JPS59152477U JP4756483U JP4756483U JPS59152477U JP S59152477 U JPS59152477 U JP S59152477U JP 4756483 U JP4756483 U JP 4756483U JP 4756483 U JP4756483 U JP 4756483U JP S59152477 U JPS59152477 U JP S59152477U
- Authority
- JP
- Japan
- Prior art keywords
- slat
- collimator
- transmitting holes
- elongated radiation
- collimators
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の一部を拡大して示す斜視図、第２図は
この考案の１実施例の一部を拡大して示す斜視図、第３
図は同実施例にかかる２つのスラットコリメータを重ね
ることを示す斜視図、第４図は収束点を説明するための
側面図である。
１・・・・・・鉛箔、２・・・・・・放射線遮蔽板、３
．４・・・・・・スラットコリメータ、う・・・・・・
収束点。FIG. 1 is an enlarged perspective view of a part of a conventional example, FIG. 2 is an enlarged perspective view of a part of an embodiment of this invention, and FIG.
The figure is a perspective view showing the overlapping of two slat collimators according to the same embodiment, and FIG. 4 is a side view for explaining the convergence point. 1...Lead foil, 2...Radiation shielding plate, 3
．． 4...Slat collimator, uh...
convergence point.
Claims (1)
放射線透過孔の長さ方向に直角な平面内においてのみコ
リメーション特性を有する２つのスラットコリメータを
上記細長い放射線透過孔の長さ方向が互いに直角になる
ようにして重ね合せてなり、一方のスラットコリメータ
の多数の細長い放射線透過孔の、その長さ方向に直角な
平面内における方向を、このスラットコリメータから所
定の距離だけ離れた１点に収束するようそれぞれ傾ける
とともに、他方のスラットコリメータの多数の細長い放
射線透過孔の、その長さ方向に直角な平面内における方
向を、上記と同じ収束点に収束するよう上記の距離に対
し上記一方のスラットコリメータの厚さ分だけ異なる距
離だけこの他方のスラットコリメータからの離れた１点
に収束するようにそれぞれ傾けたシンチレーションカメ
、うのコンバーシングコリメータ。A number of elongated radiation-transmitting holes are lined up, and two slat collimators having collimation characteristics only in a plane perpendicular to the length direction of the elongated radiation-transmitting holes are arranged such that the length directions of the elongated radiation-transmitting holes are perpendicular to each other. The slat collimators are stacked one on top of the other in such a way that the directions of the many elongated radiation-transmitting holes of one slat collimator in a plane perpendicular to the length direction of the slat collimator are converged to one point a predetermined distance away from the slat collimator. While tilting each of the slat collimators, the direction of the many elongated radiation transmitting holes of the other slat collimator in a plane perpendicular to the length direction of the slat collimator is adjusted for the above distance to converge to the same convergence point as above. The scintillation camera and the converging collimator are each tilted so that they converge at a point separated from the other slat collimator by distances that differ by the thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4756483U JPS59152477U (en) | 1983-03-31 | 1983-03-31 | Converging collimator for scintillation camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4756483U JPS59152477U (en) | 1983-03-31 | 1983-03-31 | Converging collimator for scintillation camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59152477U true JPS59152477U (en) | 1984-10-12 |
Family
ID=30178113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4756483U Pending JPS59152477U (en) | 1983-03-31 | 1983-03-31 | Converging collimator for scintillation camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59152477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001137234A (en) * | 1999-10-02 | 2001-05-22 | Koninkl Philips Electronics Nv | Grid for absorbing x-ray |
-
1983
- 1983-03-31 JP JP4756483U patent/JPS59152477U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001137234A (en) * | 1999-10-02 | 2001-05-22 | Koninkl Philips Electronics Nv | Grid for absorbing x-ray |
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