GB535878A - Improvements in the manufacture of thermionic valves - Google Patents
Improvements in the manufacture of thermionic valvesInfo
- Publication number
- GB535878A GB535878A GB255240A GB255240A GB535878A GB 535878 A GB535878 A GB 535878A GB 255240 A GB255240 A GB 255240A GB 255240 A GB255240 A GB 255240A GB 535878 A GB535878 A GB 535878A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- thermionic valves
- thermionic
- envelope
- valve
- 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
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/20—Seals between parts of vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
- H01J2893/0037—Solid sealing members other than lamp bases
Landscapes
- Particle Accelerators (AREA)
Abstract
535,878. Thermionic valves. M-O VALVE CO., Ltd., and HALL, T. F. B. Feb. 9, 1940, No. 2552. [Class 39 (i)] In a thermionic valve wherein the electrode system is supported at its inner end by an insulating-mica-disc 7 bearing on the domed end of the envelope 1, the envelope is supported mainly or wholly by the insulator while the skirt 2 is sealed to the foot tube 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB255240A GB535878A (en) | 1940-02-09 | 1940-02-09 | Improvements in the manufacture of thermionic valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB255240A GB535878A (en) | 1940-02-09 | 1940-02-09 | Improvements in the manufacture of thermionic valves |
Publications (1)
Publication Number | Publication Date |
---|---|
GB535878A true GB535878A (en) | 1941-04-24 |
Family
ID=9741600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB255240A Expired GB535878A (en) | 1940-02-09 | 1940-02-09 | Improvements in the manufacture of thermionic valves |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB535878A (en) |
-
1940
- 1940-02-09 GB GB255240A patent/GB535878A/en not_active Expired
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