CN1050946A - 电子管 - Google Patents

电子管 Download PDF

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Publication number
CN1050946A
CN1050946A CN 90108415 CN90108415A CN1050946A CN 1050946 A CN1050946 A CN 1050946A CN 90108415 CN90108415 CN 90108415 CN 90108415 A CN90108415 A CN 90108415A CN 1050946 A CN1050946 A CN 1050946A
Authority
CN
China
Prior art keywords
negative electrode
grid
electron tube
emitter region
anode
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.)
Pending
Application number
CN 90108415
Other languages
English (en)
Chinese (zh)
Inventor
乔治·阿戈斯蒂
汉斯-冈特·马修斯
沃纳·罗尔巴赫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Asea Brown Boveri Ltd
Original Assignee
Asea Brown Boveri AG Switzerland
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asea Brown Boveri AG Switzerland filed Critical Asea Brown Boveri AG Switzerland
Publication of CN1050946A publication Critical patent/CN1050946A/zh
Pending legal-status Critical Current

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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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
  • Cold Cathode And The Manufacture (AREA)
CN 90108415 1989-10-10 1990-10-10 电子管 Pending CN1050946A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH368989 1989-10-10
CH3689/89 1989-10-10
CH454289 1989-12-19
CH4542/89 1989-12-19

Publications (1)

Publication Number Publication Date
CN1050946A true CN1050946A (zh) 1991-04-24

Family

ID=25693627

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 90108415 Pending CN1050946A (zh) 1989-10-10 1990-10-10 电子管

Country Status (3)

Country Link
EP (1) EP0422451A1 (fr)
JP (1) JPH03171531A (fr)
CN (1) CN1050946A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1321431C (zh) * 2003-09-09 2007-06-13 卫军民 一种大功率四极电子管及其制作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843902A (en) * 1972-08-24 1974-10-22 Varian Associates Gridded convergent flow electron gun
US4230968A (en) * 1976-05-26 1980-10-28 Hitachi, Ltd. Cathode structure for magnetrons
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
US4583021A (en) * 1983-04-18 1986-04-15 Litton Systems, Inc. Electron gun with improved cathode and shadow grid configuration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1321431C (zh) * 2003-09-09 2007-06-13 卫军民 一种大功率四极电子管及其制作方法

Also Published As

Publication number Publication date
JPH03171531A (ja) 1991-07-25
EP0422451A1 (fr) 1991-04-17

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication