BE526330A - - Google Patents
Info
- Publication number
- BE526330A BE526330A BE526330DA BE526330A BE 526330 A BE526330 A BE 526330A BE 526330D A BE526330D A BE 526330DA BE 526330 A BE526330 A BE 526330A
- Authority
- BE
- Belgium
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
-
- 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 |
---|---|---|---|
US335908A US2724070A (en) | 1953-02-09 | 1953-02-09 | Cathode coating for electrical discharge devices and method for making the same |
Publications (1)
Publication Number | Publication Date |
---|---|
BE526330A true BE526330A (en) |
Family
ID=23313727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE526330D BE526330A (en) | 1953-02-09 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2724070A (en) |
BE (1) | BE526330A (en) |
DE (1) | DE967713C (en) |
ES (1) | ES213564A1 (en) |
FR (1) | FR1095943A (en) |
GB (1) | GB739367A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858470A (en) * | 1955-02-02 | 1958-10-28 | Bell Telephone Labor Inc | Cathode for electron discharge devices |
BE547691A (en) * | 1955-05-10 | |||
US2963450A (en) * | 1958-03-17 | 1960-12-06 | Interlectric Corp | Filament coating composition |
FR1482073A (en) * | 1966-03-21 | 1967-05-26 | Commissariat Energie Atomique | Electrically conductive ceramic material and its preparation process |
GB1178051A (en) * | 1966-04-20 | 1970-01-14 | Matsushita Electronics Corp | Noiseless Discharge Tube |
GB1178052A (en) * | 1966-04-20 | 1970-01-14 | Matsushita Electronics Corp | A Noiseless Discharge Tube |
US3951874A (en) * | 1974-07-10 | 1976-04-20 | International Telephone And Telegraph Corporation | Method for preparing electron emissive coatings |
US4031426A (en) * | 1974-07-10 | 1977-06-21 | International Telephone And Telegraph Corporation | Emissive coating for electrodes |
US3953376A (en) * | 1974-07-10 | 1976-04-27 | International Telephone And Telegraph Corporation | Method for preparing emissive coating for electrodes |
US4251569A (en) * | 1975-10-22 | 1981-02-17 | Gte Products Corporation | Method of coating arc discharge lamp electrode |
US4210839A (en) * | 1978-03-13 | 1980-07-01 | Westron of Canada Limited | Mercury lamp for promoting plant growth |
US5744905A (en) * | 1994-12-23 | 1998-04-28 | Philips Electronics North America Corporation | Emission materials for discharge lamps and method for manufacturing electrode structures with such materials |
US20120104930A1 (en) * | 2010-11-03 | 2012-05-03 | General Electric Company | Core-shell electron emission material |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1453267A (en) * | 1918-11-29 | 1923-05-01 | Forest Radio Telephone & Teleg | Electron-emitting cathode and method of making the same |
BE335031A (en) * | 1926-06-14 | |||
DE600129C (en) * | 1926-07-11 | 1934-07-14 | Osram G M B H Komm Ges | Oxide cathode |
DE597580C (en) * | 1928-05-01 | 1934-05-26 | Osram G M B H Komm Ges | Electric light or ultraviolet radiation tubes |
US1830825A (en) * | 1928-11-20 | 1931-11-10 | Kemet Lab Co Inc | Cathode |
DE627520C (en) * | 1929-05-05 | 1936-03-17 | Osram G M B H Komm Ges | Electric discharge tubes of any filling with glow electrodes and discharge through the positive column |
US2018993A (en) * | 1930-06-03 | 1935-10-29 | Sirian Lamp Co | Electrical discharge material and method of manufacturing it |
US2266662A (en) * | 1931-11-21 | 1941-12-16 | Gen Electric | Discharge device |
NL41599C (en) * | 1934-10-27 | |||
IT389718A (en) * | 1936-09-03 | |||
GB624009A (en) * | 1942-11-14 | 1949-05-26 | Philips Nv | Improvements in or relating to electric discharge tubes |
US2476590A (en) * | 1943-07-03 | 1949-07-19 | Westinghouse Electric Corp | Cathode coating |
BE482916A (en) * | 1947-06-05 | |||
US2542352A (en) * | 1947-06-10 | 1951-02-20 | Gen Electric | Lead wire for fluorescent lamps |
-
0
- BE BE526330D patent/BE526330A/xx unknown
-
1953
- 1953-02-09 US US335908A patent/US2724070A/en not_active Expired - Lifetime
- 1953-12-29 DE DEW12927A patent/DE967713C/en not_active Expired
-
1954
- 1954-02-01 GB GB2891/54A patent/GB739367A/en not_active Expired
- 1954-02-05 FR FR1095943D patent/FR1095943A/en not_active Expired
- 1954-02-08 ES ES0213564A patent/ES213564A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1095943A (en) | 1955-06-07 |
ES213564A1 (en) | 1954-06-16 |
GB739367A (en) | 1955-10-26 |
US2724070A (en) | 1955-11-15 |
DE967713C (en) | 1957-12-05 |