IT1058672B - Dispositivo elettronico a vuoto dotato di un complesso riscaldatore catodo a matrice a riscaldamento diretto - Google Patents

Dispositivo elettronico a vuoto dotato di un complesso riscaldatore catodo a matrice a riscaldamento diretto

Info

Publication number
IT1058672B
IT1058672B IT21487/76A IT2148776A IT1058672B IT 1058672 B IT1058672 B IT 1058672B IT 21487/76 A IT21487/76 A IT 21487/76A IT 2148776 A IT2148776 A IT 2148776A IT 1058672 B IT1058672 B IT 1058672B
Authority
IT
Italy
Prior art keywords
device equipped
vacuum device
direct heating
electronic vacuum
heater matrix
Prior art date
Application number
IT21487/76A
Other languages
English (en)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1058672B publication Critical patent/IT1058672B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
IT21487/76A 1975-03-24 1976-03-23 Dispositivo elettronico a vuoto dotato di un complesso riscaldatore catodo a matrice a riscaldamento diretto IT1058672B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/561,440 US3983443A (en) 1975-03-24 1975-03-24 Vacuum electron device having directly-heated matrix-cathode-heater assembly

Publications (1)

Publication Number Publication Date
IT1058672B true IT1058672B (it) 1982-05-10

Family

ID=24241990

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21487/76A IT1058672B (it) 1975-03-24 1976-03-23 Dispositivo elettronico a vuoto dotato di un complesso riscaldatore catodo a matrice a riscaldamento diretto

Country Status (8)

Country Link
US (1) US3983443A (it)
JP (1) JPS51120166A (it)
CA (1) CA1049086A (it)
DE (1) DE2612285C3 (it)
FR (1) FR2305848A1 (it)
GB (1) GB1535224A (it)
IT (1) IT1058672B (it)
NL (1) NL7603030A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559345A (en) * 1978-07-05 1980-01-23 Toshiba Corp Electron gun for cathode-ray tube and its manufacturing method
JPS5734632A (en) * 1980-08-11 1982-02-25 Toshiba Corp Direct heating type cathode structure
US4388551A (en) * 1980-11-24 1983-06-14 Zenith Radio Corporation Quick-heating cathode structure
JPS5944744A (ja) * 1982-09-08 1984-03-13 Matsushita Electronics Corp 直熱形陰極
US5327050A (en) * 1986-07-04 1994-07-05 Canon Kabushiki Kaisha Electron emitting device and process for producing the same
USRE40062E1 (en) 1987-07-15 2008-02-12 Canon Kabushiki Kaisha Display device with electron-emitting device with electron-emitting region insulated from electrodes
USRE40566E1 (en) 1987-07-15 2008-11-11 Canon Kabushiki Kaisha Flat panel display including electron emitting device
USRE39633E1 (en) 1987-07-15 2007-05-15 Canon Kabushiki Kaisha Display device with electron-emitting device with electron-emitting region insulated from electrodes
AU654107B2 (en) * 1989-04-19 1994-10-27 Rheem Australia Pty Ltd Hot water heaters
KR100382062B1 (ko) * 1996-05-22 2003-09-19 삼성에스디아이 주식회사 직열형 음극 구조체
JP2000228352A (ja) * 1999-02-09 2000-08-15 Nikon Corp 電子銃及びそれを備える電子線転写装置
US7276847B2 (en) * 2000-05-17 2007-10-02 Varian Semiconductor Equipment Associates, Inc. Cathode assembly for indirectly heated cathode ion source
US9076625B2 (en) * 2011-04-08 2015-07-07 Varian Semiconductor Equipment Associates, Inc. Indirectly heated cathode cartridge design

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263115A (en) * 1962-05-23 1966-07-26 Gen Electric Dispenser cathode and method of manufacture
US3389290A (en) * 1965-04-06 1968-06-18 Sony Corp Electron gun device
US3558966A (en) * 1967-03-01 1971-01-26 Semicon Associates Inc Directly heated dispenser cathode
US3440475A (en) * 1967-04-11 1969-04-22 Lokomotivbau Elektrotech Lanthanum hexaboride cathode system for an electron beam generator
GB1258134A (it) * 1968-02-17 1971-12-22
JPS464029Y1 (it) * 1968-05-28 1971-02-12
DE2037874B2 (de) * 1970-07-30 1972-12-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum herstellen einer vorratskathode
JPS4853660A (it) * 1971-11-06 1973-07-27

Also Published As

Publication number Publication date
DE2612285C3 (de) 1979-08-16
DE2612285A1 (de) 1976-09-30
CA1049086A (en) 1979-02-20
FR2305848A1 (fr) 1976-10-22
FR2305848B1 (it) 1981-09-18
NL7603030A (nl) 1976-09-28
JPS51120166A (en) 1976-10-21
DE2612285B2 (de) 1978-11-16
GB1535224A (en) 1978-12-13
US3983443A (en) 1976-09-28

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