NL78158C - - Google Patents
Info
- Publication number
- NL78158C NL78158C NL78158DA NL78158C NL 78158 C NL78158 C NL 78158C NL 78158D A NL78158D A NL 78158DA NL 78158 C NL78158 C NL 78158C
- Authority
- NL
- Netherlands
Links
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
- H01J1/14—Solid thermionic cathodes characterised by the material
- H01J1/146—Solid thermionic cathodes characterised by the material with metals or alloys as an 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
- Y10T428/2933—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 |
|---|---|---|---|
| US81854A US2639996A (en) | 1949-03-17 | 1949-03-17 | Filamentary cathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL78158C true NL78158C (da) |
Family
ID=22166827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL78158D NL78158C (da) | 1949-03-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2639996A (da) |
| GB (1) | GB673237A (da) |
| NL (1) | NL78158C (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446140A (zh) * | 2020-04-27 | 2020-07-24 | 中国科学院国家空间科学中心 | 一种用于空间探测仪器的阴极及其制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2103267A (en) * | 1926-11-20 | 1937-12-28 | Rca Corp | Alloy for vacuum tube elements |
| US1925978A (en) * | 1931-02-04 | 1933-09-05 | Kemet Lab Co Inc | Alloy and article composed of same |
| US2003609A (en) * | 1932-08-26 | 1935-06-04 | Electrons Inc | Preparation of composite substances |
| US2041802A (en) * | 1933-06-30 | 1936-05-26 | Bell Telephone Labor Inc | Electron emitter |
| US2085605A (en) * | 1934-05-11 | 1937-06-29 | Gen Electric | Thermionic cathode for electric discharge devices |
| US2049372A (en) * | 1934-11-19 | 1936-07-28 | Gen Electric | Emissive coating for cathodes and method for preparing the same |
| US2081864A (en) * | 1934-11-24 | 1937-05-25 | Electrons Inc Of Delaware | Emissive cathode |
| US2185410A (en) * | 1938-09-30 | 1940-01-02 | Rca Corp | Metal compositions |
-
0
- NL NL78158D patent/NL78158C/xx active
-
1949
- 1949-03-17 US US81854A patent/US2639996A/en not_active Expired - Lifetime
-
1950
- 1950-03-15 GB GB6554/50A patent/GB673237A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB673237A (en) | 1952-06-04 |
| US2639996A (en) | 1953-05-26 |