JPS5630295A - Stop device for x-ray - Google Patents
Stop device for x-rayInfo
- Publication number
- JPS5630295A JPS5630295A JP10554479A JP10554479A JPS5630295A JP S5630295 A JPS5630295 A JP S5630295A JP 10554479 A JP10554479 A JP 10554479A JP 10554479 A JP10554479 A JP 10554479A JP S5630295 A JPS5630295 A JP S5630295A
- Authority
- JP
- Japan
- Prior art keywords
- ray
- beam shielding
- shielding plates
- sheets
- plate
- 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
- 238000010030 laminating Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Diaphragms For Cameras (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
PURPOSE:To obtain the adequate stop of round shape for an X-ray and prevent its scattering lines, by concentrically overlapping a plurality of layers of beam shielding plates. CONSTITUTION:A plurality of sheets, for instance, four sheets of X-ray beam shielding plates (a1)-(a4) are constituted by laminating a lead plate of prescribed thickness to a respective metal or other rigid plate, and to a base plate 1, in which a movable adjustment ring 2 for giving a stop action of X-ray to said plate is provided, one ends of the beam shielding plates (a1)-(a4) are swivellably supported by sprockets 3 at the outside of the ring 2. Then beam shielding frames formed by a combination of the adjustment ring 2 and four sheets of the beam shielding plates (a1)-(a4) are concentrically overlapped in four stages to constitute a stop device for an X-ray.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10554479A JPS5630295A (en) | 1979-08-21 | 1979-08-21 | Stop device for x-ray |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10554479A JPS5630295A (en) | 1979-08-21 | 1979-08-21 | Stop device for x-ray |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5630295A true JPS5630295A (en) | 1981-03-26 |
Family
ID=14410519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10554479A Pending JPS5630295A (en) | 1979-08-21 | 1979-08-21 | Stop device for x-ray |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5630295A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180500U (en) * | 1984-10-31 | 1986-05-28 | ||
JPH02242239A (en) * | 1989-03-15 | 1990-09-26 | Canon Inc | Diaphragm mechanism |
JPH03274537A (en) * | 1990-03-24 | 1991-12-05 | Canon Inc | Lens system with light shielding plate |
JPH0488914U (en) * | 1990-02-16 | 1992-08-03 | ||
US5604353A (en) * | 1995-06-12 | 1997-02-18 | X-Ray Optical Systems, Inc. | Multiple-channel, total-reflection optic with controllable divergence |
-
1979
- 1979-08-21 JP JP10554479A patent/JPS5630295A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180500U (en) * | 1984-10-31 | 1986-05-28 | ||
JPH0514239Y2 (en) * | 1984-10-31 | 1993-04-15 | ||
JPH02242239A (en) * | 1989-03-15 | 1990-09-26 | Canon Inc | Diaphragm mechanism |
JPH0488914U (en) * | 1990-02-16 | 1992-08-03 | ||
JPH03274537A (en) * | 1990-03-24 | 1991-12-05 | Canon Inc | Lens system with light shielding plate |
US5604353A (en) * | 1995-06-12 | 1997-02-18 | X-Ray Optical Systems, Inc. | Multiple-channel, total-reflection optic with controllable divergence |
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