DE69215441T2 - Heizelement für Elektronröhren - Google Patents
Heizelement für ElektronröhrenInfo
- Publication number
- DE69215441T2 DE69215441T2 DE69215441T DE69215441T DE69215441T2 DE 69215441 T2 DE69215441 T2 DE 69215441T2 DE 69215441 T DE69215441 T DE 69215441T DE 69215441 T DE69215441 T DE 69215441T DE 69215441 T2 DE69215441 T2 DE 69215441T2
- Authority
- DE
- Germany
- Prior art keywords
- heating element
- electronic tubes
- tubes
- electronic
- heating
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15268391A JP2817451B2 (ja) | 1991-06-25 | 1991-06-25 | 電子管用カソード |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69215441D1 DE69215441D1 (de) | 1997-01-09 |
DE69215441T2 true DE69215441T2 (de) | 1997-07-03 |
Family
ID=15545839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69215441T Expired - Fee Related DE69215441T2 (de) | 1991-06-25 | 1992-06-25 | Heizelement für Elektronröhren |
Country Status (4)
Country | Link |
---|---|
US (1) | US5426351A (de) |
EP (1) | EP0520445B1 (de) |
JP (1) | JP2817451B2 (de) |
DE (1) | DE69215441T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4446297A1 (de) * | 1994-12-23 | 1996-06-27 | Balzers Hochvakuum | Heizanordnung, Vakuumprozeßkammer mit einer solchen und Betrieb einer derartigen Vakuumprozeßkammer |
KR100395704B1 (ko) * | 1995-07-11 | 2004-03-24 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 가열소자를포함하는음극구조및음극선관 |
US6456668B1 (en) | 1996-12-31 | 2002-09-24 | Lucent Technologies Inc. | QPSK modulated backscatter system |
US6369710B1 (en) | 2000-03-27 | 2002-04-09 | Lucent Technologies Inc. | Wireless security system |
US8119954B2 (en) * | 2003-01-07 | 2012-02-21 | Micropyretics Heaters International, Inc. | Convective heating system for industrial applications |
US20040134480A1 (en) * | 2003-01-07 | 2004-07-15 | Micropyretics Heaters International (Mhi) Inc. | Convective system |
JP6049398B2 (ja) * | 2012-10-24 | 2016-12-21 | 東京エレクトロン株式会社 | ヒータ装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1918259A (en) * | 1930-10-23 | 1933-07-18 | Bell Telephone Labor Inc | Electrical resistance |
US1972720A (en) * | 1932-02-02 | 1934-09-04 | Leeds & Northrup Co | Cross-shot woven resistor |
BE441216A (de) * | 1940-04-30 | |||
FR950881A (de) * | 1940-11-29 | 1949-10-10 | ||
US2715671A (en) * | 1953-11-10 | 1955-08-16 | Oxy Catalyst Inc | Contact element |
US2909701A (en) * | 1955-07-06 | 1959-10-20 | Westinghouse Electric Corp | Cathode heater system for electron discharge device |
US3259784A (en) * | 1963-12-23 | 1966-07-05 | Varian Associates | Non-inductive wire configurations |
DE2404362B1 (de) * | 1974-01-30 | 1975-07-31 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Heizkörper für eine indirekt geheizte Kathode |
EP0066902B1 (de) * | 1981-05-21 | 1985-11-21 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Flüssigkeitsgekühlter Leistungswiderstand und dessen Verwendung |
JPS6372023A (ja) * | 1986-09-12 | 1988-04-01 | Hitachi Ltd | 傍熱形陰極構体 |
JPS63213234A (ja) * | 1987-02-27 | 1988-09-06 | Nec Corp | 含浸型陰極構体 |
US5081341A (en) * | 1988-08-29 | 1992-01-14 | Specialty Cable Corp. | Electrical heating element for use in a personal comfort device |
-
1991
- 1991-06-25 JP JP15268391A patent/JP2817451B2/ja not_active Expired - Fee Related
-
1992
- 1992-06-25 EP EP92110731A patent/EP0520445B1/de not_active Expired - Lifetime
- 1992-06-25 DE DE69215441T patent/DE69215441T2/de not_active Expired - Fee Related
-
1994
- 1994-08-09 US US08/287,712 patent/US5426351A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69215441D1 (de) | 1997-01-09 |
EP0520445A1 (de) | 1992-12-30 |
US5426351A (en) | 1995-06-20 |
JPH052983A (ja) | 1993-01-08 |
JP2817451B2 (ja) | 1998-10-30 |
EP0520445B1 (de) | 1996-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: NEC MICROWAVE TUBE, LTD., SAGAMIHARA, KANAGAWA, JP |
|
8339 | Ceased/non-payment of the annual fee |