JPH0412587Y2 - - Google Patents

Info

Publication number
JPH0412587Y2
JPH0412587Y2 JP8668587U JP8668587U JPH0412587Y2 JP H0412587 Y2 JPH0412587 Y2 JP H0412587Y2 JP 8668587 U JP8668587 U JP 8668587U JP 8668587 U JP8668587 U JP 8668587U JP H0412587 Y2 JPH0412587 Y2 JP H0412587Y2
Authority
JP
Japan
Prior art keywords
end shield
cathode
thermionic
thermionic emission
metal coating
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
Application number
JP8668587U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63196548U (de
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 filed Critical
Priority to JP8668587U priority Critical patent/JPH0412587Y2/ja
Publication of JPS63196548U publication Critical patent/JPS63196548U/ja
Application granted granted Critical
Publication of JPH0412587Y2 publication Critical patent/JPH0412587Y2/ja
Expired legal-status Critical Current

Links

JP8668587U 1987-06-05 1987-06-05 Expired JPH0412587Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8668587U JPH0412587Y2 (de) 1987-06-05 1987-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8668587U JPH0412587Y2 (de) 1987-06-05 1987-06-05

Publications (2)

Publication Number Publication Date
JPS63196548U JPS63196548U (de) 1988-12-19
JPH0412587Y2 true JPH0412587Y2 (de) 1992-03-26

Family

ID=30943220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8668587U Expired JPH0412587Y2 (de) 1987-06-05 1987-06-05

Country Status (1)

Country Link
JP (1) JPH0412587Y2 (de)

Also Published As

Publication number Publication date
JPS63196548U (de) 1988-12-19

Similar Documents

Publication Publication Date Title
JPS5921143B2 (ja) 格子制御電子源とその製造方法
US3558966A (en) Directly heated dispenser cathode
US3928783A (en) Thermionic cathode heated by electron bombardment
US3154711A (en) Electron beam focusing by means of contact differences of potential
JP2607654B2 (ja) 傍熱形陰極構体及びそれを使用した電子銃構体
US2233917A (en) Black coating for electron discharge devices
US4035685A (en) Solid cathode cap for an X-ray tube
JPH0412587Y2 (de)
US3119041A (en) Bipotential cathode
US2417730A (en) Electron tube and method of making same
GB1061986A (en) Image storage system
US3374385A (en) Electron tube cathode with nickel-tungsten alloy base and thin nickel coating
US4954745A (en) Cathode structure
US1684263A (en) Hot-cathode device
JPS6079644A (ja) 大電力クライストロン用電子銃
US3070721A (en) Electron tube
US3826947A (en) Cathode positioning retainer
US2538053A (en) Tantalum anode for gas filled tubes
US3361922A (en) Cathode-grid assembly with means for preventing the formation of electron emissive materials upon the grid element
US3372299A (en) Resonant cavity magnetron having built-in magnetic pole shoes with an electrically conductive metal coating to prevent flash-over to the cathode
JPH0330989Y2 (de)
US2686886A (en) Electric discharge tube
JPS6219017B2 (de)
JP2903880B2 (ja) 冷陰極電子銃
US2923585A (en) Manufacture of electrical discharge devices