NL7807754A - Elektronenbuis. - Google Patents
Elektronenbuis.Info
- Publication number
- NL7807754A NL7807754A NL7807754A NL7807754A NL7807754A NL 7807754 A NL7807754 A NL 7807754A NL 7807754 A NL7807754 A NL 7807754A NL 7807754 A NL7807754 A NL 7807754A NL 7807754 A NL7807754 A NL 7807754A
- Authority
- NL
- Netherlands
- Prior art keywords
- electron tube
- electron
- tube
- Prior art date
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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/24—Insulating layer or body located between heater and emissive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2732960A DE2732960C2 (de) | 1977-07-21 | 1977-07-21 | Glühkathode und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7807754A true NL7807754A (nl) | 1979-01-23 |
Family
ID=6014512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7807754A NL7807754A (nl) | 1977-07-21 | 1978-07-20 | Elektronenbuis. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4178530A (it) |
JP (1) | JPS5422755A (it) |
BE (1) | BE869130A (it) |
CA (1) | CA1110689A (it) |
DE (1) | DE2732960C2 (it) |
ES (1) | ES471851A1 (it) |
FR (1) | FR2398381A1 (it) |
GB (1) | GB2001470B (it) |
IT (1) | IT1097892B (it) |
NL (1) | NL7807754A (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2759147C2 (de) * | 1977-12-31 | 1987-01-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Glühkathode mit einem Heizer aus pyrolytischem Graphit |
US4302701A (en) * | 1978-07-07 | 1981-11-24 | Siemens Aktiengesellschaft | Directly heated cathode for an electron tube with coaxial electrode design |
FR2445605A1 (fr) * | 1978-12-27 | 1980-07-25 | Thomson Csf | Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode |
DE3014216A1 (de) * | 1980-04-14 | 1981-10-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Gluehkathode fuer eine elektronenroehre |
FR2498372A1 (fr) * | 1981-01-16 | 1982-07-23 | Thomson Csf | Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode |
US4760306A (en) * | 1983-06-10 | 1988-07-26 | The United States Of America As Represented By The United States Department Of Energy | Electron emitting filaments for electron discharge devices |
DE3334971A1 (de) * | 1983-09-27 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Vorratskathode, insbesondere metall-kapillar-kathode |
GB8611967D0 (en) * | 1986-05-16 | 1986-10-29 | English Electric Valve Co Ltd | Directly heated cathodes |
CH672860A5 (it) * | 1986-09-29 | 1989-12-29 | Balzers Hochvakuum | |
US5444327A (en) * | 1993-06-30 | 1995-08-22 | Varian Associates, Inc. | Anisotropic pyrolytic graphite heater |
FR2726121B1 (fr) * | 1994-10-21 | 1996-11-15 | Thomson Tubes Electroniques | Dispositif de chauffage par rayonnement pour cathode a chauffage indirect |
US5608838A (en) * | 1994-12-07 | 1997-03-04 | Brookley; Charles E. | Blackbody type heating element for calibration furnace with pyrolytic graphite coating disposed on end cap electrode members |
US6741805B2 (en) * | 2001-09-27 | 2004-05-25 | Bai Wei Wu | Flexible graphite felt heating elements and a process for radiating infrared |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1109083A (en) * | 1965-04-14 | 1968-04-10 | Sony Corp | An electron emitter |
US3389290A (en) * | 1965-04-06 | 1968-06-18 | Sony Corp | Electron gun device |
US3411123A (en) * | 1966-05-10 | 1968-11-12 | Gen Electric | Pyrolytic graphite electrical resistance element |
DE1614680C3 (de) * | 1967-12-13 | 1973-10-11 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Elektrisches Entladungsgefäß, insbe sondere HF Leistungsrohre |
FR1593831A (it) * | 1967-12-13 | 1970-06-01 | ||
DE1614686B1 (de) * | 1967-12-19 | 1971-03-11 | Siemens Ag | Mittelbar geheizte vorratskathode auf thorium-basis |
US3532923A (en) * | 1969-03-17 | 1970-10-06 | Ibm | Pyrolytic graphite support for lanthanum hexaboride cathode emitter |
-
1977
- 1977-07-21 DE DE2732960A patent/DE2732960C2/de not_active Expired
-
1978
- 1978-07-11 US US05/923,495 patent/US4178530A/en not_active Expired - Lifetime
- 1978-07-13 CA CA307,297A patent/CA1110689A/en not_active Expired
- 1978-07-18 IT IT25849/78A patent/IT1097892B/it active
- 1978-07-18 JP JP8685178A patent/JPS5422755A/ja active Granted
- 1978-07-18 FR FR7821255A patent/FR2398381A1/fr active Granted
- 1978-07-18 GB GB787830214A patent/GB2001470B/en not_active Expired
- 1978-07-19 BE BE189389A patent/BE869130A/xx unknown
- 1978-07-19 ES ES471851A patent/ES471851A1/es not_active Expired
- 1978-07-20 NL NL7807754A patent/NL7807754A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2732960A1 (de) | 1979-02-01 |
GB2001470A (en) | 1979-01-31 |
US4178530A (en) | 1979-12-11 |
JPS6151374B2 (it) | 1986-11-08 |
IT7825849A0 (it) | 1978-07-18 |
FR2398381B1 (it) | 1983-07-08 |
DE2732960C2 (de) | 1982-04-01 |
FR2398381A1 (fr) | 1979-02-16 |
JPS5422755A (en) | 1979-02-20 |
IT1097892B (it) | 1985-08-31 |
BE869130A (fr) | 1979-01-19 |
GB2001470B (en) | 1982-03-17 |
CA1110689A (en) | 1981-10-13 |
ES471851A1 (es) | 1979-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AT361088B (de) | Drehanodenroentgenroehre | |
NL7900675A (nl) | Buispoststation. | |
NL7712943A (nl) | Kathodestraalbuis. | |
NL7811716A (nl) | Elektronenmicroscoop. | |
NL7802898A (nl) | Draineerbuis. | |
NL7800060A (nl) | Roentgenbuis. | |
NL175753C (nl) | Bronbuis. | |
NL7800763A (nl) | Buisklem. | |
NL7807754A (nl) | Elektronenbuis. | |
NL7712942A (nl) | Kathodestraalbuis. | |
NL7603030A (nl) | Electronenbuis. | |
NL7805387A (nl) | Kathodestraalbuis. | |
NO150432C (no) | Tube | |
NL7711633A (nl) | Beeldversterkerbuis. | |
NL7704643A (nl) | Zuigbuisstandregeling. | |
NL178922C (nl) | Beeldversterkerbuis. | |
NL7704473A (nl) | Roentgenbuis. | |
NL188718C (nl) | Basisorgaan voor elektronenbuis. | |
NL7803553A (nl) | Buisverbinder. | |
NL7702261A (nl) | Beeldversterkerbuis. | |
NL7808162A (nl) | Elektronenbundelinrichting. | |
NL7800467A (nl) | Elektronenradiografisch apparaat. | |
IT7825454A0 (it) | Anodo. | |
NL7708958A (nl) | Kathodestraalbuis. | |
NL7705731A (nl) | Kathodestraalbuis. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |