FR2172230B1 - - Google Patents

Info

Publication number
FR2172230B1
FR2172230B1 FR7305200A FR7305200A FR2172230B1 FR 2172230 B1 FR2172230 B1 FR 2172230B1 FR 7305200 A FR7305200 A FR 7305200A FR 7305200 A FR7305200 A FR 7305200A FR 2172230 B1 FR2172230 B1 FR 2172230B1
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.)
Expired
Application number
FR7305200A
Other languages
French (fr)
Other versions
FR2172230A1 (ja
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.)
US Atomic Energy Commission (AEC)
Original Assignee
US Atomic Energy Commission (AEC)
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 US Atomic Energy Commission (AEC) filed Critical US Atomic Energy Commission (AEC)
Publication of FR2172230A1 publication Critical patent/FR2172230A1/fr
Application granted granted Critical
Publication of FR2172230B1 publication Critical patent/FR2172230B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/097Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • H01S3/09707Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using an electron or ion beam
    • 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
    • H01J1/18Supports; Vibration-damping arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/027Construction of the gun or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/03Constructional details of gas laser discharge tubes
    • H01S3/038Electrodes, e.g. special shape, configuration or composition

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Solid Thermionic Cathode (AREA)
  • Lasers (AREA)
  • Electron Sources, Ion Sources (AREA)
FR7305200A 1972-02-15 1973-02-14 Expired FR2172230B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22647272A 1972-02-15 1972-02-15

Publications (2)

Publication Number Publication Date
FR2172230A1 FR2172230A1 (ja) 1973-09-28
FR2172230B1 true FR2172230B1 (ja) 1978-02-10

Family

ID=22849036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7305200A Expired FR2172230B1 (ja) 1972-02-15 1973-02-14

Country Status (5)

Country Link
US (1) US3745401A (ja)
JP (1) JPS4890463A (ja)
DE (1) DE2307531A1 (ja)
FR (1) FR2172230B1 (ja)
GB (1) GB1370753A (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917968A (en) * 1974-02-22 1975-11-04 Texas Instruments Inc Area flood gun
DE2449263A1 (de) * 1974-10-16 1976-04-22 Steigerwald Strahltech Strahlteiler fuer elektronenstrahlarbeitsmaschinen
US4695677A (en) * 1985-06-06 1987-09-22 Ruth Dale G Wire tensioning system
KR0148123B1 (ko) * 1990-10-24 1998-11-02 김정배 필라멘트 설치 방법 및 그 장치
US5236159A (en) * 1991-12-30 1993-08-17 Energy Sciences Inc. Filament clip support
DE19843852A1 (de) * 1998-09-24 2000-03-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe
US7002288B2 (en) * 2001-02-20 2006-02-21 Futaba Corporation Electron tube and method for producing the same
DE10324202A1 (de) * 2003-05-28 2004-12-16 Aixtron Ag Maskenhaltevorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE372759A (ja) * 1929-09-25
US3506871A (en) * 1967-05-29 1970-04-14 Air Reduction Electron beam gun having elongated tensioned emitter

Also Published As

Publication number Publication date
DE2307531A1 (de) 1973-08-23
FR2172230A1 (ja) 1973-09-28
JPS4890463A (ja) 1973-11-26
US3745401A (en) 1973-07-10
GB1370753A (en) 1974-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse