NL70864C - - Google Patents
Info
- Publication number
- NL70864C NL70864C NL70864DA NL70864C NL 70864 C NL70864 C NL 70864C NL 70864D A NL70864D A NL 70864DA NL 70864 C NL70864 C NL 70864C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- 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
-
- 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
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
-
- 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
-
- 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
- Y10T428/298—Physical dimension
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL278121X | 1948-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL70864C true NL70864C (US07655688-20100202-C00086.png) |
Family
ID=19782192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL70864D NL70864C (US07655688-20100202-C00086.png) | 1948-09-14 |
Country Status (7)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717975A (en) * | 1951-03-30 | 1955-09-13 | Wihtol Weltis | Cathodes for electron tubes |
| DE1009727B (de) * | 1953-01-10 | 1957-06-06 | Deutsche Elektronik Gmbh | Verfahren zur Erzeugung fester, guthaftender Emissionsschichten aus Thorium-Oxyd auf einem Traegermetall aus Wolfram oder Molybdaen |
| US2845515A (en) * | 1953-03-12 | 1958-07-29 | Raytheon Mfg Co | Semimetallic resistive filaments |
| US2881512A (en) * | 1954-06-16 | 1959-04-14 | Cie Generale De Telegraphite S | Composition for sintered barium cathodes |
| US2847328A (en) * | 1957-03-04 | 1958-08-12 | James E Cline | Method of making thorium oxide cathodes |
| DE1080700B (de) * | 1958-05-17 | 1960-04-28 | Deutsche Elektronik Gmbh | Verfahren zur Herstellung einer indirekt geheizten Kathode, insbesondere fuer Magnetrons hoher Schwingleistung, und nach diesem Verfahren hergestellte Kathode |
| US3558966A (en) * | 1967-03-01 | 1971-01-26 | Semicon Associates Inc | Directly heated dispenser cathode |
| US3973155A (en) * | 1975-01-31 | 1976-08-03 | Westinghouse Electric Corporation | Incandescent source of visible radiations |
| US4438557A (en) * | 1979-05-01 | 1984-03-27 | Woodland International Corporation | Method of using an areal array of tubular electron sources |
| US4333035A (en) * | 1979-05-01 | 1982-06-01 | Woodland International Corporation | Areal array of tubular electron sources |
| US20090085463A1 (en) * | 2007-09-28 | 2009-04-02 | General Electric Company | Thermo-optically functional compositions, systems and methods of making |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2339392A (en) * | 1942-10-06 | 1944-01-18 | Rca Corp | Cathode |
| US2477601A (en) * | 1947-06-11 | 1949-08-02 | Raytheon Mfg Co | Directly heated cathode |
-
0
- BE BE491070D patent/BE491070A/xx unknown
- NL NL70864D patent/NL70864C/xx active
-
1949
- 1949-08-25 US US112246A patent/US2614942A/en not_active Expired - Lifetime
- 1949-09-09 GB GB23374/49A patent/GB666053A/en not_active Expired
- 1949-09-11 DE DEP54597A patent/DE813573C/de not_active Expired
- 1949-09-12 FR FR995225D patent/FR995225A/fr not_active Expired
- 1949-09-12 CH CH278121D patent/CH278121A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR995225A (fr) | 1951-11-29 |
| US2614942A (en) | 1952-10-21 |
| CH278121A (de) | 1951-09-30 |
| BE491070A (US07655688-20100202-C00086.png) | |
| GB666053A (en) | 1952-02-06 |
| DE813573C (de) | 1951-09-13 |
