CH249958A - Elektronen aussendende Elektrode für elektrische Entladungsröhren. - Google Patents
Elektronen aussendende Elektrode für elektrische Entladungsröhren.Info
- Publication number
- CH249958A CH249958A CH249958DA CH249958A CH 249958 A CH249958 A CH 249958A CH 249958D A CH249958D A CH 249958DA CH 249958 A CH249958 A CH 249958A
- Authority
- CH
- Switzerland
- Prior art keywords
- electron
- electric discharge
- discharge tubes
- emitting electrode
- emitting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
-
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL249958X | 1942-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH249958A true CH249958A (de) | 1947-07-31 |
Family
ID=19781041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH249958D CH249958A (de) | 1942-03-21 | 1943-03-19 | Elektronen aussendende Elektrode für elektrische Entladungsröhren. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2488731A (de) |
BE (1) | BE450151A (de) |
CH (1) | CH249958A (de) |
FR (1) | FR892748A (de) |
GB (1) | GB648955A (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2755199A (en) * | 1951-02-19 | 1956-07-17 | Kellogg M W Co | Hard coated composite and method of forming |
US2743400A (en) * | 1951-05-29 | 1956-04-24 | Fansteel Metallurgical Corp | Electrolytic devices |
US2941281A (en) * | 1953-12-04 | 1960-06-21 | Int Nickel Co | Hot workable, heat resistant metal bodies |
US2828254A (en) * | 1954-01-05 | 1958-03-25 | Vitro Corp Of America | Method of forming a high friction element |
US2830017A (en) * | 1954-01-18 | 1958-04-08 | Vitro Corp Of America | Method of forming a sacrificial lubricating layer |
US2861935A (en) * | 1954-05-20 | 1958-11-25 | Vitro Corp Of America | Electrophoretic method of applying a lubricant coating |
US2826541A (en) * | 1954-06-15 | 1958-03-11 | Vitro Corp Of America | Method of making ceramic-clad metal structures |
US2881512A (en) * | 1954-06-16 | 1959-04-14 | Cie Generale De Telegraphite S | Composition for sintered barium cathodes |
US3082516A (en) * | 1957-12-03 | 1963-03-26 | Union Carbide Corp | Fabrication of metal shapes |
US3075066A (en) * | 1957-12-03 | 1963-01-22 | Union Carbide Corp | Article of manufacture and method of making same |
US3088195A (en) * | 1958-06-16 | 1963-05-07 | Copperweld Steel Co | Cladding with powdered metal to form bimetallic products |
DE1180435B (de) * | 1958-12-12 | 1964-10-29 | Varta Ag | Kontinuierliches Verfahren zur Herstellung gesinterter Gerueste fuer Folienelektroden, insbesondere Bandelektroden, fuer elektrische Akkumulatoren |
US3197847A (en) * | 1961-04-27 | 1965-08-03 | Sylvania Electric Prod | Clad materials and process of fabricating the same |
US3352694A (en) * | 1963-06-17 | 1967-11-14 | Varian Associates | Low temperature metallizing paint and method of making same |
US3323924A (en) * | 1964-03-27 | 1967-06-06 | Varian Associates | Low dielectric loss metallizing paint composition having a reduced sintering temperature |
US3489554A (en) * | 1969-03-13 | 1970-01-13 | Sylvania Electric Prod | Art of producing emitter-type electrode structures |
US4321503A (en) * | 1978-11-06 | 1982-03-23 | Westinghouse Electric Corp. | HID Lamp electrode comprising barium-calcium niobate or tantalate |
US5041041A (en) * | 1986-12-22 | 1991-08-20 | Gte Products Corporation | Method of fabricating a composite lamp filament |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1422019A (en) * | 1913-01-17 | 1922-07-04 | Yunck John Adam | Alloy of refractory metals and process of forming same |
AT91341B (de) * | 1914-07-15 | 1923-02-26 | Aeg | Elektrisches Entladungsgefäß für reine Elektronenentladung. |
US1997693A (en) * | 1929-11-16 | 1935-04-16 | Westinghouse Electric & Mfg Co | Electrical discharge device |
US2219590A (en) * | 1937-01-21 | 1940-10-29 | Henry E Fracker | Multiunit tube |
US2208920A (en) * | 1939-06-03 | 1940-07-23 | Rca Corp | Cathode for electron discharge devices |
-
0
- BE BE450151D patent/BE450151A/xx unknown
-
1943
- 1943-03-19 CH CH249958D patent/CH249958A/de unknown
- 1943-03-22 FR FR892748D patent/FR892748A/fr not_active Expired
-
1946
- 1946-04-26 GB GB12657/46A patent/GB648955A/en not_active Expired
- 1946-04-27 US US665636A patent/US2488731A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE450151A (de) | |
US2488731A (en) | 1949-11-22 |
GB648955A (en) | 1951-01-17 |
FR892748A (fr) | 1944-05-17 |
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