ATA82879A - Gluehkathode - Google Patents

Gluehkathode

Info

Publication number
ATA82879A
ATA82879A AT0082879A AT82879A ATA82879A AT A82879 A ATA82879 A AT A82879A AT 0082879 A AT0082879 A AT 0082879A AT 82879 A AT82879 A AT 82879A AT A82879 A ATA82879 A AT A82879A
Authority
AT
Austria
Prior art keywords
glowh
cathode
glowh cathode
Prior art date
Application number
AT0082879A
Other languages
English (en)
Other versions
AT367567B (de
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of ATA82879A publication Critical patent/ATA82879A/de
Application granted granted Critical
Publication of AT367567B publication Critical patent/AT367567B/de

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
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
AT0082879A 1978-05-05 1979-02-05 Gluehkathode AT367567B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH489078A CH629033A5 (de) 1978-05-05 1978-05-05 Gluehkathode.

Publications (2)

Publication Number Publication Date
ATA82879A true ATA82879A (de) 1981-11-15
AT367567B AT367567B (de) 1982-07-12

Family

ID=4284318

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0082879A AT367567B (de) 1978-05-05 1979-02-05 Gluehkathode

Country Status (6)

Country Link
US (1) US4274030A (de)
EP (1) EP0005279B1 (de)
JP (1) JPS54146951A (de)
AT (1) AT367567B (de)
CH (1) CH629033A5 (de)
DE (2) DE2822614A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822665A1 (de) * 1978-05-05 1979-11-08 Bbc Brown Boveri & Cie Gluehkathodenmaterial
FR2445605A1 (fr) * 1978-12-27 1980-07-25 Thomson Csf Cathode a chauffage direct et tube electronique haute frequence comportant une telle cathode
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
EP0143222B1 (de) * 1983-09-30 1987-11-11 BBC Aktiengesellschaft Brown, Boveri & Cie. Glühkathode mit hohem Emissionsvermögen für eine Elektronenröhre und Verfahren zu deren Herstellung
KR950012511A (ko) * 1993-10-05 1995-05-16 이헌조 음극선관용 함침형 음극
ATE167755T1 (de) * 1993-10-28 1998-07-15 Philips Electronics Nv Vorratskathode und herstellungsverfahren
JPH0850849A (ja) * 1994-05-31 1996-02-20 Nec Kansai Ltd 陰極部材およびそれを用いた電子管
DE4421810C2 (de) * 1994-06-22 1996-08-29 Siemens Ag Thermionischer Elektronenemitter und Verfahren zu dessen Herstellung
US6815876B1 (en) * 1999-06-23 2004-11-09 Agere Systems Inc. Cathode with improved work function and method for making the same
KR20020063396A (ko) * 2001-01-29 2002-08-03 삼성에스디아이 주식회사 전자관용 금속 음극
US20170330725A1 (en) * 2016-05-13 2017-11-16 Axcelis Technologies, Inc. Lanthanated tungsten ion source and beamline components

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381553A (fr) * 1962-10-31 1964-12-14 Thomson Houston Comp Francaise Perfectionnements aux tubes électroniques
US3243638A (en) * 1962-10-31 1966-03-29 Gen Electric Dispenser cathode
US3373307A (en) * 1963-11-21 1968-03-12 Philips Corp Dispenser cathode
GB1137124A (en) * 1964-12-23 1968-12-18 Nat Res Dev Thermionic electron emitter
DE1283403B (de) * 1966-08-05 1968-11-21 Siemens Ag Mittelbar geheizte Vorratskathode fuer elektrische Entladungsgefaesse
GB1164413A (en) * 1967-02-08 1969-09-17 Philips Electronic Associated Cathode Assembly
NL154047B (nl) * 1968-01-09 1977-07-15 Philips Nv Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis.
DE1614642B2 (de) * 1967-02-22 1971-10-07 Siemens AG, 1000 Berlin u 8000 München Vorratskathode insbesondere mk kathode
CH582951A5 (de) * 1973-07-09 1976-12-15 Bbc Brown Boveri & Cie
CH579824A5 (de) * 1974-10-25 1976-09-15 Bbc Brown Boveri & Cie
US4019081A (en) * 1974-10-25 1977-04-19 Bbc Brown Boveri & Company Limited Reaction cathode
US3967150A (en) * 1975-01-31 1976-06-29 Varian Associates Grid controlled electron source and method of making same
US4096406A (en) * 1976-05-10 1978-06-20 Varian Associates, Inc. Thermionic electron source with bonded control grid
US4165473A (en) * 1976-06-21 1979-08-21 Varian Associates, Inc. Electron tube with dispenser cathode

Also Published As

Publication number Publication date
AT367567B (de) 1982-07-12
EP0005279A2 (de) 1979-11-14
DE2960432D1 (en) 1981-10-08
EP0005279A3 (en) 1979-12-12
JPS54146951A (en) 1979-11-16
DE2822614A1 (de) 1979-11-08
US4274030A (en) 1981-06-16
CH629033A5 (de) 1982-03-31
EP0005279B1 (de) 1981-07-01

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee