GB8927439D0 - Cathode and heater assembly for electron beam devices - Google Patents

Cathode and heater assembly for electron beam devices

Info

Publication number
GB8927439D0
GB8927439D0 GB898927439A GB8927439A GB8927439D0 GB 8927439 D0 GB8927439 D0 GB 8927439D0 GB 898927439 A GB898927439 A GB 898927439A GB 8927439 A GB8927439 A GB 8927439A GB 8927439 D0 GB8927439 D0 GB 8927439D0
Authority
GB
United Kingdom
Prior art keywords
cathode
electron beam
heater assembly
beam devices
devices
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.)
Withdrawn
Application number
GB898927439A
Other versions
GB2227360A (en
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.)
ANDREEVA NINA P
ARSTOVA IRINA Y
BISHAEV ANDREI M
EZHOV ALEXANDR F
Original Assignee
ANDREEVA NINA P
ARSTOVA IRINA Y
BISHAEV ANDREI M
EZHOV ALEXANDR F
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 ANDREEVA NINA P, ARSTOVA IRINA Y, BISHAEV ANDREI M, EZHOV ALEXANDR F filed Critical ANDREEVA NINA P
Publication of GB8927439D0 publication Critical patent/GB8927439D0/en
Publication of GB2227360A publication Critical patent/GB2227360A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/15Cathodes heated directly by an electric current
GB8927439A 1988-12-05 1989-12-05 Cathode and heater assembly for electron beam devices Withdrawn GB2227360A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4615925 1988-12-05

Publications (2)

Publication Number Publication Date
GB8927439D0 true GB8927439D0 (en) 1990-02-07
GB2227360A GB2227360A (en) 1990-07-25

Family

ID=21413257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8927439A Withdrawn GB2227360A (en) 1988-12-05 1989-12-05 Cathode and heater assembly for electron beam devices

Country Status (4)

Country Link
JP (1) JPH02250251A (en)
DE (1) DE3940215A1 (en)
FR (1) FR2643505A1 (en)
GB (1) GB2227360A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1491338A1 (en) * 1965-01-08 1969-04-30 Varian Associates Electron beam system
SU376825A1 (en) * 1971-05-24 1973-04-05 ALL-UNION PA'POTNO-THEYN
FR2188839A5 (en) * 1972-06-08 1974-01-18 Aquitaine Petrole
GB1549127A (en) * 1977-05-11 1979-08-01 Inst Elektroswarki Patona Electron beam welding guns
GB1548818A (en) * 1977-05-11 1979-07-18 Inst Elektroswarki Patona Electron beam welding guns
JPS545840A (en) * 1977-06-13 1979-01-17 Inst Elektroswarki Patona Cathode assembly for electron beam welding gun
JPS544840A (en) * 1977-06-13 1979-01-13 Inst Elektroswarki Patona Cathode assembly for electron beam welding gun

Also Published As

Publication number Publication date
GB2227360A (en) 1990-07-25
JPH02250251A (en) 1990-10-08
DE3940215A1 (en) 1990-06-13
FR2643505A1 (en) 1990-08-24

Similar Documents

Publication Publication Date Title
GB8523452D0 (en) Electron beam
EP0330355A3 (en) Cathode for electron tube
EP0200035A3 (en) Electron beam source
GB2099626B (en) Electron beam blanker
GB8903118D0 (en) Radiation emissive devices
GB2233536B (en) Translating aperture electron beam current modulator
EP0247470A3 (en) Electron beam generating device
EP0373511A3 (en) Indirectly heated cathode assembly and its associated electron gun structure
GB8707169D0 (en) Electron beam device
GB8522530D0 (en) Electron beam apparatus
GB8515311D0 (en) Electron beam focusing system
GB8701289D0 (en) Electron beam device
GB8623842D0 (en) Pulsed electron beams
GB8516786D0 (en) Electron beam scrambler
EP0352085A3 (en) Electron microscope
EP0360134A3 (en) Cathode ray tube
EP0217210A3 (en) Electron beam gun with directly and indirectly heated cathodes
GB8604181D0 (en) Electron beam apparatus
GB8611321D0 (en) Correcting electron beam misconvergance
GB8510291D0 (en) Electron beam apparatus
GB2191628B (en) Electron beam apparatus
GB8927439D0 (en) Cathode and heater assembly for electron beam devices
GB2201288B (en) Electron beam apparatus
GB2273199B (en) Electron beam collector
GB8707170D0 (en) Electron beam device

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)