FR2609840B1 - Canon a electrons a plasma ionique - Google Patents

Canon a electrons a plasma ionique

Info

Publication number
FR2609840B1
FR2609840B1 FR8700502A FR8700502A FR2609840B1 FR 2609840 B1 FR2609840 B1 FR 2609840B1 FR 8700502 A FR8700502 A FR 8700502A FR 8700502 A FR8700502 A FR 8700502A FR 2609840 B1 FR2609840 B1 FR 2609840B1
Authority
FR
France
Prior art keywords
ion plasma
plasma electron
electron canon
canon
ion
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 - Fee Related
Application number
FR8700502A
Other languages
English (en)
Other versions
FR2609840A1 (fr
Inventor
George Wakalopulos
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.)
RPC Industries
Original Assignee
RPC Industries
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 RPC Industries filed Critical RPC Industries
Publication of FR2609840A1 publication Critical patent/FR2609840A1/fr
Application granted granted Critical
Publication of FR2609840B1 publication Critical patent/FR2609840B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • 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
    • 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
    • H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J33/00—Discharge tubes with provision for emergence of electrons or ions from the vessel; Lenard tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/0955—Processes or apparatus for excitation, e.g. pumping using pumping by high energy particles
    • H01S3/0959—Processes or apparatus for excitation, e.g. pumping using pumping by high energy particles by an electron beam

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Plasma Technology (AREA)
FR8700502A 1984-04-02 1987-01-19 Canon a electrons a plasma ionique Expired - Fee Related FR2609840B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/596,093 US4694222A (en) 1984-04-02 1984-04-02 Ion plasma electron gun

Publications (2)

Publication Number Publication Date
FR2609840A1 FR2609840A1 (fr) 1988-07-22
FR2609840B1 true FR2609840B1 (fr) 1995-06-23

Family

ID=24385958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8700502A Expired - Fee Related FR2609840B1 (fr) 1984-04-02 1987-01-19 Canon a electrons a plasma ionique

Country Status (6)

Country Link
US (1) US4694222A (fr)
JP (1) JP2539207B2 (fr)
DE (1) DE3700775C2 (fr)
FR (1) FR2609840B1 (fr)
GB (1) GB2199691B (fr)
SE (1) SE457758B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393881A (ja) * 1986-10-08 1988-04-25 Anelva Corp プラズマ処理装置
US4902897A (en) * 1986-10-13 1990-02-20 Seiko Epson Corporation Ion beam gun and ion beam exposure device
US4749911A (en) * 1987-03-30 1988-06-07 Rpc Industries Ion plasma electron gun with dose rate control via amplitude modulation of the plasma discharge
US4786844A (en) * 1987-03-30 1988-11-22 Rpc Industries Wire ion plasma gun
DE58901620D1 (de) * 1988-04-08 1992-07-16 Siemens Ag Plasma-roentgenroehre, insbesondere zur roentgen-vorionisierung von gaslasern, verfahren zur erzeugung von roentgenstrahlung mit einer solchen roentgenroehre und verwendung letzterer.
JP2750348B2 (ja) 1988-04-08 1998-05-13 シーメンス、アクチエンゲゼルシヤフト 特にガスレーザーのｘ線‐前期電離のためのプラズマｘ線管、および電子銃としての用途
US4910435A (en) * 1988-07-20 1990-03-20 American International Technologies, Inc. Remote ion source plasma electron gun
US5003178A (en) * 1988-11-14 1991-03-26 Electron Vision Corporation Large-area uniform electron source
US6407399B1 (en) * 1999-09-30 2002-06-18 Electron Vision Corporation Uniformity correction for large area electron source
US6496529B1 (en) 2000-11-15 2002-12-17 Ati Properties, Inc. Refining and casting apparatus and method
US8891583B2 (en) 2000-11-15 2014-11-18 Ati Properties, Inc. Refining and casting apparatus and method
US7578960B2 (en) 2005-09-22 2009-08-25 Ati Properties, Inc. Apparatus and method for clean, rapidly solidified alloys
US7803212B2 (en) * 2005-09-22 2010-09-28 Ati Properties, Inc. Apparatus and method for clean, rapidly solidified alloys
US7803211B2 (en) * 2005-09-22 2010-09-28 Ati Properties, Inc. Method and apparatus for producing large diameter superalloy ingots
SE529241C2 (sv) * 2005-10-26 2007-06-05 Tetra Laval Holdings & Finance Sensor samt system för avkänning av en elektronstråle
US8642916B2 (en) * 2007-03-30 2014-02-04 Ati Properties, Inc. Melting furnace including wire-discharge ion plasma electron emitter
US8748773B2 (en) 2007-03-30 2014-06-10 Ati Properties, Inc. Ion plasma electron emitters for a melting furnace
US7798199B2 (en) * 2007-12-04 2010-09-21 Ati Properties, Inc. Casting apparatus and method
WO2009112667A1 (fr) * 2008-01-11 2009-09-17 Excico Group Source d'ions à décharge électrique par filament
EP2079096B1 (fr) 2008-01-11 2012-04-18 Excico Group N.V. Source d'ions à décharge électrique par filament
US8747956B2 (en) 2011-08-11 2014-06-10 Ati Properties, Inc. Processes, systems, and apparatus for forming products from atomized metals and alloys
DE102013111650B3 (de) * 2013-10-23 2015-02-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Erzeugen beschleunigter Elektronen
US11024445B2 (en) * 2018-09-14 2021-06-01 Volt Holdings, LLC Power cable with an overmolded probe for power transfer to a non-thermal plasma generator and a method for constructing the overmolded probe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243570A (en) * 1963-04-30 1966-03-29 Gen Electric Automatic gas pressure control for electron beam apparatus
US3411035A (en) * 1966-05-31 1968-11-12 Gen Electric Multi-chamber hollow cathode low voltage electron beam apparatus
US3903891A (en) * 1968-01-12 1975-09-09 Hogle Kearns Int Method and apparatus for generating plasma
DE2246300A1 (de) * 1972-08-16 1974-02-28 Lonza Ag Plasmabrenner
US3863163A (en) * 1973-04-20 1975-01-28 Sherman R Farrell Broad beam electron gun
US3970892A (en) * 1975-05-19 1976-07-20 Hughes Aircraft Company Ion plasma electron gun
US4061944A (en) * 1975-06-25 1977-12-06 Avco Everett Research Laboratory, Inc. Electron beam window structure for broad area electron beam generators
DE2606169C2 (de) * 1976-02-17 1983-09-01 Polymer-Physik GmbH & Co KG, 2844 Lemförde Elektronenaustrittsfenster für eine Elektronenstrahlquelle
US4025818A (en) * 1976-04-20 1977-05-24 Hughes Aircraft Company Wire ion plasma electron gun
US4359667A (en) * 1980-11-10 1982-11-16 The United States Of America As Represented By The Department Of Energy Convectively cooled electrical grid structure
US4642522A (en) * 1984-06-18 1987-02-10 Hughes Aircraft Company Wire-ion-plasma electron gun employing auxiliary grid
FR2591035B1 (fr) * 1985-11-29 1988-02-26 Onera (Off Nat Aerospatiale) Canon a electrons operant par emission secondaire sous bombardement ionique

Also Published As

Publication number Publication date
SE8700017L (sv) 1988-07-03
US4694222A (en) 1987-09-15
GB2199691A (en) 1988-07-13
JPS63175324A (ja) 1988-07-19
DE3700775A1 (de) 1988-07-21
GB2199691B (en) 1990-08-08
FR2609840A1 (fr) 1988-07-22
GB8700605D0 (en) 1987-02-18
JP2539207B2 (ja) 1996-10-02
SE457758B (sv) 1989-01-23
DE3700775C2 (de) 1998-09-17
SE8700017D0 (sv) 1987-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse