GB611933A - Improved method of manufacturing indirectly heated cathodes - Google Patents
Improved method of manufacturing indirectly heated cathodesInfo
- Publication number
- GB611933A GB611933A GB9421/46A GB942146A GB611933A GB 611933 A GB611933 A GB 611933A GB 9421/46 A GB9421/46 A GB 9421/46A GB 942146 A GB942146 A GB 942146A GB 611933 A GB611933 A GB 611933A
- Authority
- GB
- United Kingdom
- Prior art keywords
- given
- nickel
- dimensions
- assembly
- making
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Landscapes
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL103265A NL59317C (enrdf_load_stackoverflow) | 1941-10-15 | 1941-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB611933A true GB611933A (en) | 1948-11-05 |
Family
ID=19780546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9421/46A Expired GB611933A (en) | 1941-10-15 | 1946-03-27 | Improved method of manufacturing indirectly heated cathodes |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2495580A (enrdf_load_stackoverflow) |
| BE (1) | BE447568A (enrdf_load_stackoverflow) |
| CH (1) | CH241098A (enrdf_load_stackoverflow) |
| DE (1) | DE846739C (enrdf_load_stackoverflow) |
| FR (1) | FR886755A (enrdf_load_stackoverflow) |
| GB (1) | GB611933A (enrdf_load_stackoverflow) |
| NL (1) | NL59317C (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563573A (en) * | 1951-08-07 | Hot cathode electron tube which re | ||
| CH308666A (de) * | 1951-01-11 | 1955-07-31 | Egyesuelt Izzolampa | Kathode und Verfahren zu deren Herstellung. |
| US3031740A (en) * | 1958-03-12 | 1962-05-01 | Eitel Mccullough Inc | Matrix type cathode |
| FR2215699B1 (enrdf_load_stackoverflow) * | 1973-01-30 | 1976-04-30 | Commissariat Energie Atomique | |
| US4987342A (en) * | 1989-03-27 | 1991-01-22 | Gte Products Corporation | Self-ballasted glow discharge lamp having indirectly-heated cathode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1618499A (en) * | 1923-11-06 | 1927-02-22 | Charles P White | Electrical apparatus |
| US2075876A (en) * | 1927-12-28 | 1937-04-06 | Electrons Inc | Cathode organization |
| US2107945A (en) * | 1934-11-20 | 1938-02-08 | Gen Electric | Cathode structure |
-
1941
- 1941-10-15 NL NL103265A patent/NL59317C/xx active
-
1942
- 1942-10-13 FR FR886755D patent/FR886755A/fr not_active Expired
- 1942-10-13 DE DEN2546D patent/DE846739C/de not_active Expired
- 1942-10-13 CH CH241098D patent/CH241098A/de unknown
- 1942-10-15 BE BE447568D patent/BE447568A/xx unknown
-
1946
- 1946-03-11 US US653691A patent/US2495580A/en not_active Expired - Lifetime
- 1946-03-27 GB GB9421/46A patent/GB611933A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2495580A (en) | 1950-01-24 |
| BE447568A (enrdf_load_stackoverflow) | 1942-11-30 |
| FR886755A (fr) | 1943-10-25 |
| NL59317C (enrdf_load_stackoverflow) | 1946-06-15 |
| CH241098A (de) | 1946-02-15 |
| DE846739C (de) | 1952-08-18 |
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