FR2280967B1 - - Google Patents

Info

Publication number
FR2280967B1
FR2280967B1 FR7523888A FR7523888A FR2280967B1 FR 2280967 B1 FR2280967 B1 FR 2280967B1 FR 7523888 A FR7523888 A FR 7523888A FR 7523888 A FR7523888 A FR 7523888A FR 2280967 B1 FR2280967 B1 FR 2280967B1
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
FR7523888A
Other languages
French (fr)
Other versions
FR2280967A1 (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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co 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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of FR2280967A1 publication Critical patent/FR2280967A1/fr
Application granted granted Critical
Publication of FR2280967B1 publication Critical patent/FR2280967B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
FR7523888A 1974-08-03 1975-07-31 Grille de graphite pyrolytique Granted FR2280967A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3430774A GB1444519A (en) 1974-08-03 1974-08-03 Grid electrodes

Publications (2)

Publication Number Publication Date
FR2280967A1 FR2280967A1 (fr) 1976-02-27
FR2280967B1 true FR2280967B1 (enExample) 1977-12-16

Family

ID=10364007

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7523888A Granted FR2280967A1 (fr) 1974-08-03 1975-07-31 Grille de graphite pyrolytique

Country Status (6)

Country Link
US (1) US3970768A (enExample)
DE (1) DE2534468B2 (enExample)
FR (1) FR2280967A1 (enExample)
GB (1) GB1444519A (enExample)
IT (1) IT1041463B (enExample)
NL (1) NL7509126A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586959A (en) * 1976-08-11 1981-03-25 Dunlop Ltd Method and apparatus for the production of carbon/carbon composite material
GB1592063A (en) * 1978-05-08 1981-07-01 Chloride Silent Power Ltd Sodium sulphur cells
FR2439474A1 (fr) * 1978-10-20 1980-05-16 Thomson Csf Procede de preparation de grilles en graphite pyrolytique de tube electronique, grille preparee suivant ce procede, et tube electronique comportant une telle grille
JPH0815074B2 (ja) * 1986-11-11 1996-02-14 シャープ株式会社 炭素体電極の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764510A (en) * 1953-01-12 1956-09-25 Int Resistance Co Carbon deposited resistor and method of making the same
US3187502A (en) * 1961-01-23 1965-06-08 Gen Electric Rocket nozzle
US3107180A (en) * 1961-01-26 1963-10-15 Gen Electric Process for deposition of pyrolytic graphite
US3138434A (en) * 1961-04-26 1964-06-23 Gen Electric Deposition method of forming a pyrolytic graphite article
US3379555A (en) * 1964-05-01 1968-04-23 Air Force Usa Vapor deposition of pyrolytic graphite on tungsten
US3399969A (en) * 1966-02-10 1968-09-03 Gulf General Atomic Inc Deposition of massive pyrolytic carbon

Also Published As

Publication number Publication date
GB1444519A (en) 1976-08-04
DE2534468B2 (de) 1977-08-11
IT1041463B (it) 1980-01-10
NL7509126A (nl) 1976-02-05
US3970768A (en) 1976-07-20
FR2280967A1 (fr) 1976-02-27
DE2534468A1 (de) 1976-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse