FR2133915A1 - - Google Patents

Info

Publication number
FR2133915A1
FR2133915A1 FR7213861A FR7213861A FR2133915A1 FR 2133915 A1 FR2133915 A1 FR 2133915A1 FR 7213861 A FR7213861 A FR 7213861A FR 7213861 A FR7213861 A FR 7213861A FR 2133915 A1 FR2133915 A1 FR 2133915A1
Authority
FR
France
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.)
Granted
Application number
FR7213861A
Other versions
FR2133915B1 (fr
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.)
Jeol Ltd
Original Assignee
Jeol Ltd
Nihon Denshi KK
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
Priority claimed from JP3140571A external-priority patent/JPS5334708B1/ja
Priority claimed from JP6907071A external-priority patent/JPS5227992B2/ja
Application filed by Jeol Ltd, Nihon Denshi KK filed Critical Jeol Ltd
Publication of FR2133915A1 publication Critical patent/FR2133915A1/fr
Application granted granted Critical
Publication of FR2133915B1 publication Critical patent/FR2133915B1/fr
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
    • H01J37/241—High voltage power supply or regulation circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
    • 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
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/073—Electron guns using field emission, photo emission, or secondary emission electron sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Particle Accelerators (AREA)
  • Electron Sources, Ion Sources (AREA)
FR7213861A 1971-04-20 1972-04-19 Expired FR2133915B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3087671 1971-04-20
JP3140571A JPS5334708B1 (fr) 1971-05-11 1971-05-11
JP6907071A JPS5227992B2 (fr) 1971-09-07 1971-09-07

Publications (2)

Publication Number Publication Date
FR2133915A1 true FR2133915A1 (fr) 1972-12-01
FR2133915B1 FR2133915B1 (fr) 1976-08-06

Family

ID=27287125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213861A Expired FR2133915B1 (fr) 1971-04-20 1972-04-19

Country Status (2)

Country Link
US (1) US3810025A (fr)
FR (1) FR2133915B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461354A1 (fr) * 1979-07-13 1981-01-30 Leybold Heraeus Gmbh & Co Kg Montage pour la commande de puissance d'un canon electronique haute tension

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921078A (en) * 1971-04-20 1975-11-18 Jeol Ltd Breakdown protection for field emission electron gun
JPS5813060B2 (ja) * 1976-05-12 1983-03-11 パイオニア株式会社 音声信号識別回路
US4740705A (en) * 1986-08-11 1988-04-26 Electron Beam Memories Axially compact field emission cathode assembly
FR2641412B1 (fr) * 1988-12-30 1991-02-15 Thomson Tubes Electroniques Source d'electrons du type a emission de champ
US5173634A (en) * 1990-11-30 1992-12-22 Motorola, Inc. Current regulated field-emission device
US5173635A (en) * 1990-11-30 1992-12-22 Motorola, Inc. Bi-directional field emission device
US5528108A (en) * 1994-09-22 1996-06-18 Motorola Field emission device arc-suppressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE405609A (fr) * 1933-10-11
US2428616A (en) * 1943-11-02 1947-10-07 Philco Corp Electrical protective device
US2828417A (en) * 1954-11-12 1958-03-25 Monroe Calculating Machine Clamping circuit means
US2829282A (en) * 1956-05-17 1958-04-01 Itt Pulse generator
US3267321A (en) * 1962-03-28 1966-08-16 Sylvania Electric Prod Electron discharge device having cathode protective means within the envelope
US3461391A (en) * 1965-08-02 1969-08-12 Industrial Nucleonics Corp Electronic signal amplitude limiter
US3502933A (en) * 1968-07-29 1970-03-24 Connector Corp Kinescope socket with spark gap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461354A1 (fr) * 1979-07-13 1981-01-30 Leybold Heraeus Gmbh & Co Kg Montage pour la commande de puissance d'un canon electronique haute tension

Also Published As

Publication number Publication date
DE2219393A1 (de) 1972-11-02
FR2133915B1 (fr) 1976-08-06
US3810025A (en) 1974-05-07
DE2219393B2 (de) 1975-11-20

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Legal Events

Date Code Title Description
ST Notification of lapse