NL6703548A - - Google Patents
Info
- Publication number
- NL6703548A NL6703548A NL6703548A NL6703548A NL6703548A NL 6703548 A NL6703548 A NL 6703548A NL 6703548 A NL6703548 A NL 6703548A NL 6703548 A NL6703548 A NL 6703548A NL 6703548 A NL6703548 A NL 6703548A
- Authority
- NL
- Netherlands
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
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
- H01C7/022—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
-
- 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
- H01J1/15—Cathodes heated directly by an electric current
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6703548A NL6703548A (ru) | 1967-03-07 | 1967-03-07 | |
| DE19681639354 DE1639354A1 (de) | 1967-03-07 | 1968-02-06 | Mikroheizelemente,insbesondere fuer Kathoden von Elektronenroehren |
| US706897A US3495120A (en) | 1967-03-07 | 1968-02-20 | Microheating elements,more particularly for cathodes of electron tubes |
| CH315468A CH469351A (de) | 1967-03-07 | 1968-03-04 | Mikroheizelement, insbesondere für Kathoden von Elektronenröhren |
| GB00292/68A GB1222887A (en) | 1967-03-07 | 1968-03-04 | Micro-heating element |
| ES351239A ES351239A1 (es) | 1967-03-07 | 1968-03-05 | Un dispositivo de elemento microcalefactor. |
| FR1558677D FR1558677A (ru) | 1967-03-07 | 1968-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6703548A NL6703548A (ru) | 1967-03-07 | 1967-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6703548A true NL6703548A (ru) | 1968-09-09 |
Family
ID=19799479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6703548A NL6703548A (ru) | 1967-03-07 | 1967-03-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3495120A (ru) |
| CH (1) | CH469351A (ru) |
| DE (1) | DE1639354A1 (ru) |
| ES (1) | ES351239A1 (ru) |
| FR (1) | FR1558677A (ru) |
| GB (1) | GB1222887A (ru) |
| NL (1) | NL6703548A (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5118983A (en) * | 1989-03-24 | 1992-06-02 | Mitsubishi Denki Kabushiki Kaisha | Thermionic electron source |
| NL9100327A (nl) * | 1991-02-25 | 1992-09-16 | Philips Nv | Kathode. |
| GB2404128B (en) * | 2003-07-16 | 2005-08-24 | Kanthal Ltd | Silicon carbide furnace heating elements |
| DE102017101946A1 (de) * | 2017-02-01 | 2018-08-02 | Epcos Ag | PTC-Heizer mit verringertem Einschaltstrom |
| US20200066474A1 (en) * | 2018-08-22 | 2020-02-27 | Modern Electron, LLC | Cathodes with conformal cathode surfaces, vacuum electronic devices with cathodes with conformal cathode surfaces, and methods of manufacturing the same |
| CN111243917B (zh) * | 2020-01-19 | 2021-12-07 | 中国科学院电子学研究所 | 一种阴极热子组件及其制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1814759A (en) * | 1926-02-10 | 1931-07-14 | Frederick S Mccullough | Cathode structure |
| US3380936A (en) * | 1965-10-18 | 1968-04-30 | Matsushita Electric Ind Co Ltd | Silicon carbide varistors |
-
1967
- 1967-03-07 NL NL6703548A patent/NL6703548A/xx unknown
-
1968
- 1968-02-06 DE DE19681639354 patent/DE1639354A1/de active Pending
- 1968-02-20 US US706897A patent/US3495120A/en not_active Expired - Lifetime
- 1968-03-04 GB GB00292/68A patent/GB1222887A/en not_active Expired
- 1968-03-04 CH CH315468A patent/CH469351A/de unknown
- 1968-03-05 ES ES351239A patent/ES351239A1/es not_active Expired
- 1968-03-06 FR FR1558677D patent/FR1558677A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3495120A (en) | 1970-02-10 |
| DE1639354A1 (de) | 1970-06-04 |
| ES351239A1 (es) | 1969-06-01 |
| CH469351A (de) | 1969-02-28 |
| FR1558677A (ru) | 1969-02-28 |
| GB1222887A (en) | 1971-02-17 |