GB1444519A - Grid electrodes - Google Patents

Grid electrodes

Info

Publication number
GB1444519A
GB1444519A GB3430774A GB3430774A GB1444519A GB 1444519 A GB1444519 A GB 1444519A GB 3430774 A GB3430774 A GB 3430774A GB 3430774 A GB3430774 A GB 3430774A GB 1444519 A GB1444519 A GB 1444519A
Authority
GB
United Kingdom
Prior art keywords
carbon
grid electrodes
acetylene
heading
decompose
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
Application number
GB3430774A
Other languages
English (en)
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
Priority to GB3430774A priority Critical patent/GB1444519A/en
Priority to US05/600,499 priority patent/US3970768A/en
Priority to NL7509126A priority patent/NL7509126A/xx
Priority to FR7523888A priority patent/FR2280967A1/fr
Priority to IT69019/75A priority patent/IT1041463B/it
Priority to DE19752534468 priority patent/DE2534468B2/de
Publication of GB1444519A publication Critical patent/GB1444519A/en
Expired 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

Landscapes

  • Carbon And Carbon Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Cold Cathode And The Manufacture (AREA)
GB3430774A 1974-08-03 1974-08-03 Grid electrodes Expired GB1444519A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3430774A GB1444519A (en) 1974-08-03 1974-08-03 Grid electrodes
US05/600,499 US3970768A (en) 1974-08-03 1975-07-30 Grid electrodes
NL7509126A NL7509126A (nl) 1974-08-03 1975-07-31 Werkwijze voor het maken van een roosterelek- trode met pyrolytisch grafiet.
FR7523888A FR2280967A1 (fr) 1974-08-03 1975-07-31 Grille de graphite pyrolytique
IT69019/75A IT1041463B (it) 1974-08-03 1975-08-01 Procedimento per la fabbricazione di elettrodi a griglia per tubi elettrodinici
DE19752534468 DE2534468B2 (de) 1974-08-03 1975-08-01 Verfahren zum herstellen eines gitters fuer elektronenroehren

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1444519A true GB1444519A (en) 1976-08-04

Family

ID=10364007

Family Applications (1)

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

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
FR2280967B1 (enExample) 1977-12-16
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
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920625