GB1026195A - Improvements in or relating to methods of processing electron discharge devices comprising two spaced photo-electrically active electrodes - Google Patents
Improvements in or relating to methods of processing electron discharge devices comprising two spaced photo-electrically active electrodesInfo
- Publication number
- GB1026195A GB1026195A GB2816461A GB2816461A GB1026195A GB 1026195 A GB1026195 A GB 1026195A GB 2816461 A GB2816461 A GB 2816461A GB 2816461 A GB2816461 A GB 2816461A GB 1026195 A GB1026195 A GB 1026195A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- photo
- electrodes
- support
- supports
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
1,026,195. Discharge tubes; electrode processirig. ELECTRIC & MUSICAL INDUSTRIES Ltd. Aug. 2, 1962 [Aug. 3, 1961], No. 28164/61. Heading H1D. During processing of a discharge device comprising two photo-sensitive electrodes 7, 8, a support 5 for one of these electrodes is movably mounted to enable it to face towards or away from the second electrode support 2. Photo-sensitive material 7, 8 is simultaneously deposited on the facing surfaces of supports 2, 5, while the sensitivity of one of these electrodes is monitored by connecting it in an electrical circuit with the other electrode or with a further electrode 19. Afterwards support 5 is moved so that electrode 7 faces away from electrode 8. As shown, the device is an image intensifier comprising photo-cathodes 8, 7, luminescent screens 6, 4 and accelerating electrodes 19. Support 5 may comprise a glass or mica disc in a metal frame mounted on diametrically opposite pins for rotation through 180 degrees in an outer frame 11. The photocathodes are formed from antimony, evaporated from a point-source midway between supports 2, 5, and are sensitized with sodium or potassium vapour introduced through a side-tube. During processing of a four-stage image intensifier, Fig. 6 (not shown), the photo-cathodes are formed in pairs in the first and third sections, the supports for the second and fourth photocathodes being rotatably mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2816461A GB1026195A (en) | 1961-08-03 | 1961-08-03 | Improvements in or relating to methods of processing electron discharge devices comprising two spaced photo-electrically active electrodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2816461A GB1026195A (en) | 1961-08-03 | 1961-08-03 | Improvements in or relating to methods of processing electron discharge devices comprising two spaced photo-electrically active electrodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1026195A true GB1026195A (en) | 1966-04-14 |
Family
ID=10271299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2816461A Expired GB1026195A (en) | 1961-08-03 | 1961-08-03 | Improvements in or relating to methods of processing electron discharge devices comprising two spaced photo-electrically active electrodes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1026195A (en) |
-
1961
- 1961-08-03 GB GB2816461A patent/GB1026195A/en not_active Expired
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