GB307028A - Improvements relating to thermionic valves - Google Patents
Improvements relating to thermionic valvesInfo
- Publication number
- GB307028A GB307028A GB6633/29A GB663329A GB307028A GB 307028 A GB307028 A GB 307028A GB 6633/29 A GB6633/29 A GB 6633/29A GB 663329 A GB663329 A GB 663329A GB 307028 A GB307028 A GB 307028A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capsule
- anode
- metal
- valve
- container
- 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
- 239000002775 capsule Substances 0.000 abstract 7
- 239000000463 material Substances 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 239000000126 substance Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 239000011253 protective coating Substances 0.000 abstract 1
- 229910052712 strontium Inorganic materials 0.000 abstract 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
Landscapes
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE307028X | 1928-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB307028A true GB307028A (en) | 1930-06-02 |
Family
ID=6121307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6633/29A Expired GB307028A (en) | 1928-03-01 | 1929-03-01 | Improvements relating to thermionic valves |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE358547A (enrdf_load_stackoverflow) |
| FR (1) | FR670640A (enrdf_load_stackoverflow) |
| GB (1) | GB307028A (enrdf_load_stackoverflow) |
| NL (1) | NL30154C (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE739330C (de) * | 1936-01-26 | 1943-09-21 | Siemens Ag | Anordnung zum Gettern von elektrischen Entladungsgefaessen mit metallischer Gefaesswand |
-
0
- BE BE358547D patent/BE358547A/xx unknown
- NL NL30154D patent/NL30154C/xx active
-
1929
- 1929-03-01 FR FR670640D patent/FR670640A/fr not_active Expired
- 1929-03-01 GB GB6633/29A patent/GB307028A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR670640A (fr) | 1929-12-02 |
| NL30154C (enrdf_load_stackoverflow) | |
| BE358547A (enrdf_load_stackoverflow) |
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