FR2745951B1 - Cathode thermoionique et son procede de fabrication - Google Patents
Cathode thermoionique et son procede de fabricationInfo
- Publication number
- FR2745951B1 FR2745951B1 FR9602743A FR9602743A FR2745951B1 FR 2745951 B1 FR2745951 B1 FR 2745951B1 FR 9602743 A FR9602743 A FR 9602743A FR 9602743 A FR9602743 A FR 9602743A FR 2745951 B1 FR2745951 B1 FR 2745951B1
- Authority
- FR
- France
- Prior art keywords
- manufacturing
- thermoionic cathode
- thermoionic
- cathode
- 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 - Fee Related
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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9602743A FR2745951B1 (fr) | 1996-03-05 | 1996-03-05 | Cathode thermoionique et son procede de fabrication |
DE69718363T DE69718363T2 (de) | 1996-03-05 | 1997-02-28 | Thermionische Kathode und Verfahren zu ihrer Herstellung |
EP97400472A EP0794548B1 (fr) | 1996-03-05 | 1997-02-28 | Cathode thermoionique et son procédé de fabrication |
US08/796,694 US5828165A (en) | 1996-03-05 | 1997-03-04 | Thermionic cathode for electron tubes and method for the manufacture thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9602743A FR2745951B1 (fr) | 1996-03-05 | 1996-03-05 | Cathode thermoionique et son procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2745951A1 FR2745951A1 (fr) | 1997-09-12 |
FR2745951B1 true FR2745951B1 (fr) | 1998-06-05 |
Family
ID=9489867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9602743A Expired - Fee Related FR2745951B1 (fr) | 1996-03-05 | 1996-03-05 | Cathode thermoionique et son procede de fabrication |
Country Status (4)
Country | Link |
---|---|
US (1) | US5828165A (fr) |
EP (1) | EP0794548B1 (fr) |
DE (1) | DE69718363T2 (fr) |
FR (1) | FR2745951B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2789800B1 (fr) | 1999-02-16 | 2001-05-11 | Thomson Tubes Electroniques | Generateur radiofrequence de tres grande puissance |
US6238122B1 (en) * | 1999-03-01 | 2001-05-29 | Exhaust Etiquette | Display device and method therefor |
KR100315123B1 (ko) | 2000-01-10 | 2001-11-29 | 김순택 | 전자빔 장치용 음극 물질 |
DE60137305D1 (de) * | 2000-09-19 | 2009-02-26 | Philips Intellectual Property | Kathodenstrahlröhre mit kompositkathode |
US20090284124A1 (en) * | 2008-04-22 | 2009-11-19 | Wolfgang Kutschera | Cathode composed of materials with different electron works functions |
US10074505B2 (en) * | 2016-01-14 | 2018-09-11 | Wisconsin Alumni Research Foundation | Perovskites as ultra-low work function electron emission materials |
CN108448075B (zh) * | 2018-02-05 | 2020-09-25 | 河南师范大学 | 一种锂离子电池锰基复合正极材料及其制备方法 |
CN115954245A (zh) * | 2022-11-30 | 2023-04-11 | 朱惠冲 | 卫星通信高频电磁阴极组件加工工艺 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB182217A (en) * | 1921-03-30 | 1922-06-30 | Karl Rosak | Improvements in or relating to grinding machines |
GB182817A (en) * | 1921-07-11 | 1923-08-09 | Drahtlose Telegraphie Gmbh | Improvements in the cathodes of electric discharge tubes |
US1794298A (en) * | 1926-09-21 | 1931-02-24 | Gen Electric | Thermionic cathode |
DE581423C (de) * | 1926-09-24 | 1933-07-27 | Aeg | Oxydkathode fuer Entladungsgefaesse |
NL63846C (fr) * | 1936-09-03 | |||
DE3148441A1 (de) * | 1981-12-08 | 1983-07-21 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur herstellung einer thermionischen kathode |
JPS58154131A (ja) * | 1982-03-10 | 1983-09-13 | Hitachi Ltd | 含浸形陰極 |
CA1270890A (fr) * | 1985-07-19 | 1990-06-26 | Keiji Watanabe | Cathode de tube electronique |
NL8803047A (nl) * | 1988-12-13 | 1990-07-02 | Philips Nv | Oxydekathode. |
-
1996
- 1996-03-05 FR FR9602743A patent/FR2745951B1/fr not_active Expired - Fee Related
-
1997
- 1997-02-28 DE DE69718363T patent/DE69718363T2/de not_active Expired - Fee Related
- 1997-02-28 EP EP97400472A patent/EP0794548B1/fr not_active Expired - Lifetime
- 1997-03-04 US US08/796,694 patent/US5828165A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0794548B1 (fr) | 2003-01-15 |
DE69718363D1 (de) | 2003-02-20 |
US5828165A (en) | 1998-10-27 |
DE69718363T2 (de) | 2003-10-16 |
EP0794548A1 (fr) | 1997-09-10 |
FR2745951A1 (fr) | 1997-09-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2749263B1 (fr) | Element de structure renforce et son procede de fabrication | |
FR2746018B1 (fr) | Ensemble a electrodes et son procede de fabrication | |
FR2694641B1 (fr) | Materiau photodispersant et son procede de fabrication. | |
FR2775123B1 (fr) | Module thermoelectrique et son procede de fabrication | |
FR2745595B1 (fr) | Entoilage thermocollant et son procede de fabrication | |
DE69636710D1 (de) | Festelektrolytkondensator und dessen herstellungsverfahren | |
BR9710817A (pt) | M-todo de fabrica-Æo de mancal e mancal assim produzido | |
FR2754634B1 (fr) | Panneau d'affichage plasma et son procede de fabrication | |
FR2744834B1 (fr) | Cathode a emission de champ et son procede de fabrication | |
FR2771748B1 (fr) | Luminophore et son procede de fabrication | |
FR2729449B1 (fr) | Profile d'etancheite et son procede de fabrication | |
FR2787590B1 (fr) | Miroir hydrophile et son procede de fabrication | |
FR2745951B1 (fr) | Cathode thermoionique et son procede de fabrication | |
FR2764733B1 (fr) | Transistor hyperfrequence a structure quasi-autoalignee et son procede de fabrication | |
FR2789464B1 (fr) | Support antivibratoire et son procede de fabrication | |
FR2759491B1 (fr) | Cathode froide a emission de champ et son procede de fabrication | |
FR2773198B1 (fr) | Element de fixation metallique et son procede de fabrication | |
FR2754416B1 (fr) | Module electronique et son procede de fabrication | |
FR2662939B1 (fr) | Gel anti-inflammatoire et son procede de fabrication. | |
DE69628701D1 (de) | Kathodenstrahlröhre und Herstellungsverfahren | |
FR2759808B1 (fr) | Isolateur en polymere et son procede de fabrication | |
FR2723520B1 (fr) | Piece de joaillerie et son procede de fabrication | |
FR2766431B1 (fr) | Appui-tete ajoure et procede de fabrication de cet appui-tete | |
FR2704608B1 (fr) | Cheville metallique creuse et son procede de fabrication. | |
FR2748495B1 (fr) | Anode a longevite amelioree et son procede de fabrication |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |