NL227293A - - Google Patents
Info
- Publication number
- NL227293A NL227293A NL227293DA NL227293A NL 227293 A NL227293 A NL 227293A NL 227293D A NL227293D A NL 227293DA NL 227293 A NL227293 A NL 227293A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
- Y10T428/2925—Helical or coiled
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2958—Metal or metal compound in coating
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US655534A US2871196A (en) | 1957-04-29 | 1957-04-29 | Cathodes and emissive material therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
NL227293A true NL227293A (de) |
Family
ID=24629268
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL227293D NL227293A (de) | 1957-04-29 | ||
NL112306D NL112306C (de) | 1957-04-29 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL112306D NL112306C (de) | 1957-04-29 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2871196A (de) |
GB (1) | GB824902A (de) |
NL (2) | NL112306C (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3188236A (en) * | 1959-12-17 | 1965-06-08 | Gen Electric | Cathodes and method of manufacture |
US4275330A (en) * | 1979-03-08 | 1981-06-23 | General Electric Company | Electric discharge lamp having a cathode with cesium metal oxide |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1934830A (en) * | 1928-02-03 | 1933-11-14 | Electrons Inc | Amphoteric compounds |
US1921066A (en) * | 1928-11-16 | 1933-08-08 | Western Electric Co | Cathode for electron discharge devices and method of making the same |
US1946603A (en) * | 1929-05-09 | 1934-02-13 | Electrons Inc | Cathode for electrical discharge devices |
US2085605A (en) * | 1934-05-11 | 1937-06-29 | Gen Electric | Thermionic cathode for electric discharge devices |
US2142331A (en) * | 1935-03-09 | 1939-01-03 | Bell Telephone Labor Inc | Electron emitting cathode |
US2300959A (en) * | 1940-01-01 | 1942-11-03 | Gen Electric | Cathode for discharge devices |
-
0
- NL NL227293D patent/NL227293A/xx unknown
- NL NL112306D patent/NL112306C/xx active
-
1957
- 1957-04-29 US US655534A patent/US2871196A/en not_active Expired - Lifetime
-
1958
- 1958-04-02 GB GB10567/58A patent/GB824902A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB824902A (en) | 1959-12-09 |
NL112306C (de) | |
US2871196A (en) | 1959-01-27 |