FR404317A - - Google Patents
Info
- Publication number
- FR404317A FR404317A FR404317DA FR404317A FR 404317 A FR404317 A FR 404317A FR 404317D A FR404317D A FR 404317DA FR 404317 A FR404317 A FR 404317A
- Authority
- FR
- France
- 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.)
- Expired
Links
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
- G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR404317A true FR404317A (ja) | 1900-01-01 |
Family
ID=1448889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR404317D Expired FR404317A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR404317A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE746262C (de) * | 1936-06-27 | 1944-06-17 | Siemens Reiniger Werke Ag | Roentgenstrahlenblende |
| DE755026C (de) * | 1936-06-20 | 1953-03-23 | Koch & Sterzel A G | Fokusnahe Doppelschlitzblende fuer Roentgengeraete |
| US2713285A (en) * | 1950-07-25 | 1955-07-19 | Arthur J Holman | Film shrinkage adjusting, focusing, and masking unit for revolving lens wheel system |
-
0
- FR FR404317D patent/FR404317A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE755026C (de) * | 1936-06-20 | 1953-03-23 | Koch & Sterzel A G | Fokusnahe Doppelschlitzblende fuer Roentgengeraete |
| DE746262C (de) * | 1936-06-27 | 1944-06-17 | Siemens Reiniger Werke Ag | Roentgenstrahlenblende |
| US2713285A (en) * | 1950-07-25 | 1955-07-19 | Arthur J Holman | Film shrinkage adjusting, focusing, and masking unit for revolving lens wheel system |