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FR2429490B1 - - Google Patents

Info

Publication number
FR2429490B1
FR2429490B1 FR7818834A FR7818834A FR2429490B1 FR 2429490 B1 FR2429490 B1 FR 2429490B1 FR 7818834 A FR7818834 A FR 7818834A FR 7818834 A FR7818834 A FR 7818834A FR 2429490 B1 FR2429490 B1 FR 2429490B1
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
FR7818834A
Other versions
FR2429490A1 (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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7818834A priority Critical patent/FR2429490A1/fr
Priority to US06/049,126 priority patent/US4229674A/en
Publication of FR2429490A1 publication Critical patent/FR2429490A1/fr
Application granted granted Critical
Publication of FR2429490B1 publication Critical patent/FR2429490B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H01J19/48—Mountings for individual electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Clamps And Clips (AREA)
  • Electron Sources, Ion Sources (AREA)
FR7818834A 1978-06-23 1978-06-23 Grille en graphite pyrolytique pour tube electronique de grande puissance, et son procede de montage Granted FR2429490A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7818834A FR2429490A1 (fr) 1978-06-23 1978-06-23 Grille en graphite pyrolytique pour tube electronique de grande puissance, et son procede de montage
US06/049,126 US4229674A (en) 1978-06-23 1979-06-18 Grid of pyrolytic graphite for a high-power electron tube and a method for the assembly of said grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7818834A FR2429490A1 (fr) 1978-06-23 1978-06-23 Grille en graphite pyrolytique pour tube electronique de grande puissance, et son procede de montage

Publications (2)

Publication Number Publication Date
FR2429490A1 FR2429490A1 (fr) 1980-01-18
FR2429490B1 true FR2429490B1 (fr) 1980-10-24

Family

ID=9209914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818834A Granted FR2429490A1 (fr) 1978-06-23 1978-06-23 Grille en graphite pyrolytique pour tube electronique de grande puissance, et son procede de montage

Country Status (2)

Country Link
US (1) US4229674A (fr)
FR (1) FR2429490A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432215A1 (fr) * 1978-07-27 1980-02-22 Thomson Csf Tube electronique a grille cylindrique en graphite pyrolytique
DE3018623C2 (de) * 1980-05-16 1983-03-24 Kernforschungsanlage Jülich GmbH, 5170 Jülich Beschleunigungsgitter
NL8300191A (nl) * 1983-01-19 1984-08-16 Philips Nv Elektrische ontladingsbuis.
FR2561820A1 (fr) * 1984-03-23 1985-09-27 Thomson Csf Tube a grilles avec ecran metallique
NL8500220A (nl) * 1985-01-28 1986-08-18 Philips Nv Elektronenbuis.
US4866331A (en) * 1987-07-22 1989-09-12 North American Philips Corporation Eyelet for incandescent lamp bases and method of making
US5081392A (en) * 1990-09-11 1992-01-14 Rca Thomson Licensing Corporation Color picture tube having an internal magnetic shield
US5548953A (en) * 1993-02-26 1996-08-27 The Boeing Company Carbon-carbon grid elements for ion thruster ion optics
US5448883A (en) * 1993-02-26 1995-09-12 The Boeing Company Ion thruster with ion optics having carbon-carbon composite elements
GB9712243D0 (en) * 1997-06-13 1997-08-13 Eev Ltd Grids
FR2775118B1 (fr) * 1998-02-13 2000-05-05 Thomson Tubes Electroniques Grille pour tube electronique a faisceau axial a performances ameliorees
GB9915925D0 (en) * 1999-07-08 1999-09-08 Univ Loughborough Flow field plates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621303A (en) * 1948-07-30 1952-12-09 Rca Corp Grid structure for electron tubes
GB1142316A (en) * 1966-05-18 1969-02-05 Standard Telephones Cables Ltd Thermionic valves
US3800378A (en) * 1972-06-07 1974-04-02 Rca Corp Method of making a directly-heated cathode
GB1514591A (en) * 1976-01-29 1978-06-14 English Electric Valve Co Ltd Electronic valves

Also Published As

Publication number Publication date
US4229674A (en) 1980-10-21
FR2429490A1 (fr) 1980-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse