GB805802A - Improvements relating to radiant energy image intensifier systems - Google Patents
Improvements relating to radiant energy image intensifier systemsInfo
- Publication number
- GB805802A GB805802A GB29398/56A GB2939856A GB805802A GB 805802 A GB805802 A GB 805802A GB 29398/56 A GB29398/56 A GB 29398/56A GB 2939856 A GB2939856 A GB 2939856A GB 805802 A GB805802 A GB 805802A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screen
- source
- radiant energy
- rays
- light rays
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2002—Optical details, e.g. reflecting or diffusing layers
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
805,802. Examining solids by X-rays &c. GENERAL ELECTRIC CO. Sept. 26, 1956 [Sept. 26, 1955], No. 29398/56. Class 40 (3). [Also in Group XL (a)] In a system for examining a solid specimen 25, comprising a radiant energy source S, a fluorescent screen 20 for converting radiant energy to visible light, and a T.V. camera &c., 23 for detecting the light rays, the screen 20 has a convex surface 22 so curved that any light rays arising in the screen and travelling along a straight line through the source are refracted to pass through the optical centre C of the detector, thus producing a point image on the T.V. screen. The opposite surface 21 is preferably concave, having its centre of curvature at the source S, or alternatively being curved similarly to the surface 22 so that all X-rays &c., passing through the screen traverse substantially the same distance. The fluorescent screen may be a thallium-activated sodium iodide crystal with or without a metallic film 28 on its concave surface to reflect forward light rays travelling back towards the source. In a modification, Fig. 4, the screen comprises a liquid scintillation medium 40 in a container having an optically transparent convex wall 43.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US805802XA | 1955-09-26 | 1955-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB805802A true GB805802A (en) | 1958-12-10 |
Family
ID=22158283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29398/56A Expired GB805802A (en) | 1955-09-26 | 1956-09-26 | Improvements relating to radiant energy image intensifier systems |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1159277A (en) |
| GB (1) | GB805802A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2463420A1 (en) * | 1979-08-14 | 1981-02-20 | France Etat | NON-LUMINOUS PHOTON BRIGHT PHOTON CONVERTER AND NON-DESTRUCTIVE CONTROL PLANT USING SAID CONVERTER |
-
1956
- 1956-09-26 GB GB29398/56A patent/GB805802A/en not_active Expired
- 1956-09-26 FR FR1159277D patent/FR1159277A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1159277A (en) | 1958-06-25 |
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