GB1390425A - Heating-current control unit in electronbeam apparatus - Google Patents

Heating-current control unit in electronbeam apparatus

Info

Publication number
GB1390425A
GB1390425A GB2590872A GB2590872A GB1390425A GB 1390425 A GB1390425 A GB 1390425A GB 2590872 A GB2590872 A GB 2590872A GB 2590872 A GB2590872 A GB 2590872A GB 1390425 A GB1390425 A GB 1390425A
Authority
GB
United Kingdom
Prior art keywords
screen
cathode
control electrode
electron beam
control unit
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
GB2590872A
Other languages
English (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1390425A publication Critical patent/GB1390425A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H01J37/242—Filament heating power supply or regulation circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electron Sources, Ion Sources (AREA)
GB2590872A 1971-06-05 1972-06-02 Heating-current control unit in electronbeam apparatus Expired GB1390425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7107749A NL7107749A (enrdf_load_stackoverflow) 1971-06-05 1971-06-05

Publications (1)

Publication Number Publication Date
GB1390425A true GB1390425A (en) 1975-04-09

Family

ID=19813316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2590872A Expired GB1390425A (en) 1971-06-05 1972-06-02 Heating-current control unit in electronbeam apparatus

Country Status (9)

Country Link
US (1) US3868541A (enrdf_load_stackoverflow)
AU (1) AU469599B2 (enrdf_load_stackoverflow)
CA (1) CA966228A (enrdf_load_stackoverflow)
CH (1) CH543176A (enrdf_load_stackoverflow)
DE (1) DE2225864A1 (enrdf_load_stackoverflow)
FR (1) FR2140427B3 (enrdf_load_stackoverflow)
GB (1) GB1390425A (enrdf_load_stackoverflow)
IT (1) IT961307B (enrdf_load_stackoverflow)
NL (1) NL7107749A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313703A (en) * 1996-06-01 1997-12-03 Ibm Current sensing in vacuum electron devices

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424448A (en) * 1979-12-26 1984-01-03 Tokyo Shibaura Denki Kabushiki Kaisha Electron beam apparatus
FR2484697A1 (fr) * 1980-05-08 1981-12-18 Thomson Csf Tube cathodique polychrome et dispositif de visualisation equipe d'un tel tube
DE3930200A1 (de) * 1989-09-09 1991-03-14 Ptr Praezisionstech Gmbh Elektronenstrahlerzeuger, insbesondere fuer eine elektronenstrahlkanone
JP2005164350A (ja) * 2003-12-02 2005-06-23 Yokogawa Electric Corp 電子ビーム発生装置及びこの装置を用いた光サンプリング装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL248568A (enrdf_load_stackoverflow) * 1959-02-20
US3223885A (en) * 1963-04-29 1965-12-14 Gen Electric Stabilization circuit for electron beam apparatus
US3229157A (en) * 1963-09-30 1966-01-11 Charles M Stevens Crucible surface ionization source
SU490099A1 (ru) * 1968-07-17 1975-10-30 Московский Ордена Ленина Энергетический Институт Устройство дл автоматического регулировани электрического режима электротермической установки с электронной пушкой
JPS4922371B1 (enrdf_load_stackoverflow) * 1970-01-16 1974-06-07

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6208091B1 (en) 1996-01-06 2001-03-27 International Business Machines Corporation Current sensing in vacuum electron devices
GB2313703A (en) * 1996-06-01 1997-12-03 Ibm Current sensing in vacuum electron devices
GB2313703B (en) * 1996-06-01 2001-03-21 Ibm Current sensing in vacuum electron devices
US6236164B1 (en) 1996-06-01 2001-05-22 International Business Machines Corporation Current sensing in vacuum electron devices

Also Published As

Publication number Publication date
DE2225864A1 (de) 1973-02-15
FR2140427A1 (enrdf_load_stackoverflow) 1973-01-19
NL7107749A (enrdf_load_stackoverflow) 1972-12-07
CH543176A (de) 1973-10-15
CA966228A (en) 1975-04-15
AU4294172A (en) 1974-02-07
US3868541A (en) 1975-02-25
IT961307B (it) 1973-12-10
FR2140427B3 (enrdf_load_stackoverflow) 1975-08-08
AU469599B2 (en) 1976-02-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee