JPH0488607U - - Google Patents
Info
- Publication number
- JPH0488607U JPH0488607U JP40534490U JP40534490U JPH0488607U JP H0488607 U JPH0488607 U JP H0488607U JP 40534490 U JP40534490 U JP 40534490U JP 40534490 U JP40534490 U JP 40534490U JP H0488607 U JPH0488607 U JP H0488607U
- Authority
- JP
- Japan
- Prior art keywords
- ray
- slit
- rays
- diaphragm
- restrict
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
第１図はこの考案の実施例を示す図で、ａは断
面図、ｂは図ａのＸ線絞りによるＸ線強度分布を
示す図、第２図は従来のＸ線絞りを示す図で、ａ
は断面図、ｂは図ａによるＸ線強度分布を示す図
、第３図はＣＴ装置の概略説明用図、第４図は従
来のＸ線絞りの平面図である。
２１……鉛板、２２……スリツト、Ｐ２……テ
ーパー面。
Figure 1 is a diagram showing an embodiment of this invention, where a is a cross-sectional view, b is a diagram showing the X-ray intensity distribution by the X-ray diaphragm in Figure a, and Figure 2 is a diagram showing a conventional X-ray diaphragm. a
3 is a cross-sectional view, b is a diagram showing the X-ray intensity distribution according to diagram a, FIG. 3 is a schematic explanatory diagram of a CT apparatus, and FIG. 4 is a plan view of a conventional X-ray diaphragm. 21...Lead plate, 22...Slit, P2 ...Tapered surface.
Claims (1)
扇状Ｘ線に規制するスリツトを形成したＸ線絞り
において、 前記スリツト端面をＸ線束錐に沿うテーパー状
に形成したことを特徴とするＣＴ装置用Ｘ線絞り
。[Claim for Utility Model Registration] In an X-ray aperture in which a slit is formed in a flat X-ray opaque material to restrict X-rays from an X-ray source into fan-shaped X-rays, the end face of the slit is tapered along an X-ray beam cone. An X-ray diaphragm for a CT device, characterized in that it is formed into a shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40534490U JPH0488607U (en) | 1990-12-12 | 1990-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40534490U JPH0488607U (en) | 1990-12-12 | 1990-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0488607U true JPH0488607U (en) | 1992-07-31 |
Family
ID=31882797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40534490U Pending JPH0488607U (en) | 1990-12-12 | 1990-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0488607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012529137A (en) * | 2009-06-04 | 2012-11-15 | ロタ ホバニ エンリケ | Lighting device |
-
1990
- 1990-12-12 JP JP40534490U patent/JPH0488607U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012529137A (en) * | 2009-06-04 | 2012-11-15 | ロタ ホバニ エンリケ | Lighting device |