NL266639A - - Google Patents
Info
- Publication number
- NL266639A NL266639A NL266639DA NL266639A NL 266639 A NL266639 A NL 266639A NL 266639D A NL266639D A NL 266639DA NL 266639 A NL266639 A NL 266639A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J45/00—Discharge tubes functioning as thermionic generators
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40683A US3134924A (en) | 1960-07-05 | 1960-07-05 | Emissive materials of a metal matrix with molecularly dispersed additives |
US153344A US3139541A (en) | 1960-07-05 | 1961-11-20 | Generation of power using emissive materials |
Publications (1)
Publication Number | Publication Date |
---|---|
NL266639A true NL266639A (ko) |
Family
ID=26717294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL266639D NL266639A (ko) | 1960-07-05 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3139541A (ko) |
DE (1) | DE1169593B (ko) |
GB (1) | GB996970A (ko) |
NL (1) | NL266639A (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273005A (en) * | 1963-04-01 | 1966-09-13 | Gen Electric | Electron emitter utilizing nitride emissive material |
US3374386A (en) * | 1964-11-02 | 1968-03-19 | Field Emission Corp | Field emission cathode having tungsten miller indices 100 plane coated with zirconium, hafnium or magnesium on oxygen binder |
GB1137124A (en) * | 1964-12-23 | 1968-12-18 | Nat Res Dev | Thermionic electron emitter |
CH582951A5 (ko) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie | |
DD137365A5 (de) * | 1976-03-31 | 1979-08-29 | Diamond Shamrock Techn | Elektrode |
US4165473A (en) * | 1976-06-21 | 1979-08-21 | Varian Associates, Inc. | Electron tube with dispenser cathode |
DE3412565A1 (de) * | 1984-04-04 | 1985-10-24 | Sintermetallwerk Krebsöge GmbH, 5608 Radevormwald | Verfahren zum herstellen eines zaeh-harten werkstoffes fuer werkzeuge und/oder verschleissteile und nach diesem verfahren hergestellter werkstoff |
JPS627673A (ja) * | 1985-06-19 | 1987-01-14 | 旭硝子株式会社 | ZrB↓2系焼結体 |
DE4206909A1 (de) * | 1992-03-05 | 1993-09-09 | Philips Patentverwaltung | Thermionisch emittierendes kathodenelement |
GB2275054A (en) * | 1993-02-10 | 1994-08-17 | Rank Brimar Ltd | Tungsten articles and method for making them |
GB2288908B (en) * | 1994-04-27 | 1997-08-20 | Rowan Technologies Ltd | Ceramic thermocouple |
DE4421793A1 (de) * | 1994-06-22 | 1996-01-04 | Siemens Ag | Thermionischer Elektronenemitter für eine Elektronenröhre |
DE102006024437B4 (de) * | 2006-05-24 | 2012-08-09 | Siemens Ag | Röntgenstrahler |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE393048C (de) * | 1919-06-17 | 1924-03-28 | Patra Patent Treuhand | Durch Glimmentladung zu betreibende elektrische Entladungsroehre |
DE560552C (de) * | 1923-09-15 | 1932-10-05 | Patra Patent Treuhand | Verfahren zur Herstellung von kalten Kathoden fuer Gasentladungsroehren |
AT119231B (de) * | 1928-07-13 | 1930-10-10 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Leuchtröhre. |
US1922244A (en) * | 1930-09-13 | 1933-08-15 | Fansteel Prod Co Inc | Electrode and method of making the same |
GB569651A (en) * | 1939-01-27 | 1945-06-04 | Siemens Electric Lamps & Suppl | Improvements in or relating to electric discharge lamps |
NL96177C (ko) * | 1952-02-27 | |||
DE967660C (de) * | 1952-10-04 | 1957-12-05 | Telefunken Gmbh | Emissionsschichttraeger fuer unmittelbar oder mittelbar geheizte Oxydkathoden in elektrischen Entladungsroehren |
US2915652A (en) * | 1956-04-18 | 1959-12-01 | Thermo Electron Eng Corp | Conversion of thermal energy into electrical energy |
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0
- NL NL266639D patent/NL266639A/xx unknown
-
1961
- 1961-07-05 DE DEM49572A patent/DE1169593B/de active Pending
- 1961-07-05 GB GB24249/61A patent/GB996970A/en not_active Expired
- 1961-11-20 US US153344A patent/US3139541A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB996970A (en) | 1965-06-30 |
US3139541A (en) | 1964-06-30 |
DE1169593B (de) | 1964-05-06 |