FR801936A - Cathode enhancements for electronic discharge devices - Google Patents
Cathode enhancements for electronic discharge devicesInfo
- Publication number
- FR801936A FR801936A FR801936DA FR801936A FR 801936 A FR801936 A FR 801936A FR 801936D A FR801936D A FR 801936DA FR 801936 A FR801936 A FR 801936A
- Authority
- FR
- France
- Prior art keywords
- enhancements
- cathode
- discharge devices
- electronic discharge
- electronic
- 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
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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/934—Electrical process
- Y10S428/935—Electroplating
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12611—Oxide-containing component
- Y10T428/12618—Plural oxides
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/1266—O, S, or organic compound in metal component
- Y10T428/12667—Oxide of transition metal or Al
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12812—Diverse refractory group metal-base components: alternative to or next to each other
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7853A US2144249A (en) | 1935-02-23 | 1935-02-23 | Cathode for electron discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR801936A true FR801936A (en) | 1936-08-21 |
Family
ID=21728449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR801936D Expired FR801936A (en) | 1935-02-23 | 1936-02-17 | Cathode enhancements for electronic discharge devices |
Country Status (4)
Country | Link |
---|---|
US (1) | US2144249A (en) |
FR (1) | FR801936A (en) |
GB (1) | GB462706A (en) |
NL (1) | NL48128C (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2509702A (en) * | 1947-01-14 | 1950-05-30 | Eureka Television And Tube Cor | Cathode for thermionic valves |
US2512617A (en) * | 1947-02-04 | 1950-06-27 | Electrons Inc | Electron discharge device |
US2497111A (en) * | 1947-07-25 | 1950-02-14 | Eitel Mccullough Inc | Electron tube having carburized thoriated cathode |
US2726178A (en) * | 1950-11-17 | 1955-12-06 | Rca Corp | Thermionic cathode with thoria coating |
US2848390A (en) * | 1953-11-10 | 1958-08-19 | Owens Corning Fiberglass Corp | Method and apparatus for applying metal to glass |
US3041209A (en) * | 1955-06-28 | 1962-06-26 | Gen Electric | Method of making a thermionic cathode |
US2996795A (en) * | 1955-06-28 | 1961-08-22 | Gen Electric | Thermionic cathodes and methods of making |
US3240150A (en) * | 1963-12-20 | 1966-03-15 | Max J Doppelt | Base member for duplicating device |
US3272603A (en) * | 1964-01-23 | 1966-09-13 | Mallory & Co Inc P R | Refractory metal composite |
CH582951A5 (en) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie |
-
0
- NL NL48128D patent/NL48128C/xx active
-
1935
- 1935-02-23 US US7853A patent/US2144249A/en not_active Expired - Lifetime
-
1936
- 1936-02-17 GB GB4808/36A patent/GB462706A/en not_active Expired
- 1936-02-17 FR FR801936D patent/FR801936A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2144249A (en) | 1939-01-17 |
GB462706A (en) | 1937-03-15 |
NL48128C (en) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR801936A (en) | Cathode enhancements for electronic discharge devices | |
FR48156E (en) | Improvements to electronic discharge devices | |
FR817880A (en) | Foot enhancements for electronic discharge devices | |
FR796386A (en) | Improvements to electronic discharge devices | |
FR818502A (en) | Electronic discharge devices | |
FR828276A (en) | Electronic discharge devices | |
FR795640A (en) | Improvements to electronic discharge devices | |
FR939048A (en) | Electrode improvements for electronic discharge devices | |
FR791858A (en) | Improvements to electronic discharge devices | |
FR804380A (en) | Improvements to electronic discharge devices | |
FR776056A (en) | Improvements to electronic discharge devices | |
FR824729A (en) | Electronic discharge devices | |
FR817395A (en) | Improvements to electronic discharge devices | |
FR47312E (en) | Improvements to discharge devices | |
FR803292A (en) | Improvements to electronic discharge lamps | |
FR790003A (en) | Improvements to electronic discharge devices | |
FR827585A (en) | Cathode improvements for discharge tubes | |
FR809585A (en) | Improvements to electronic discharge devices | |
FR794258A (en) | Metal-enclosed discharge devices | |
FR782171A (en) | Improvements to electronic discharge devices | |
FR822037A (en) | Electronic discharge devices | |
FR826866A (en) | Improvements to electronic discharge devices | |
FR753113A (en) | Cathode enhancements | |
FR807284A (en) | Improvements to Liquid Cathode Discharge Devices | |
FR784896A (en) | Mounts for Electronic Discharge Devices |