FR1344220A - Grid for electron tubes - Google Patents

Grid for electron tubes

Info

Publication number
FR1344220A
FR1344220A FR889759A FR889759A FR1344220A FR 1344220 A FR1344220 A FR 1344220A FR 889759 A FR889759 A FR 889759A FR 889759 A FR889759 A FR 889759A FR 1344220 A FR1344220 A FR 1344220A
Authority
FR
France
Prior art keywords
grid
electron tubes
tubes
electron
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
FR889759A
Other languages
French (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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR889759A priority Critical patent/FR1344220A/en
Priority to ES285347A priority patent/ES285347A1/en
Priority to NL63289517A priority patent/NL139841B/en
Priority to GB8073/63A priority patent/GB1011587A/en
Priority to CH253963A priority patent/CH415872A/en
Priority to DE1963C0029281 priority patent/DE1194988C2/en
Priority to US269919A priority patent/US3307063A/en
Application granted granted Critical
Publication of FR1344220A publication Critical patent/FR1344220A/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
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • 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
    • H01J2893/002—Chemical composition and manufacture chemical
    • H01J2893/0021—Chemical composition and manufacture chemical carbon
FR889759A 1962-03-02 1962-03-02 Grid for electron tubes Expired FR1344220A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR889759A FR1344220A (en) 1962-03-02 1962-03-02 Grid for electron tubes
ES285347A ES285347A1 (en) 1962-03-02 1963-02-22 Improvements introduced in the manufacture of gratings for electronic pipes (Machine-translation by Google Translate, not legally binding)
NL63289517A NL139841B (en) 1962-03-02 1963-02-27 GRID ELECTRODE FOR AN ELECTRONIC DISCHARGE DEVICE.
GB8073/63A GB1011587A (en) 1962-03-02 1963-02-28 Grid electrode
CH253963A CH415872A (en) 1962-03-02 1963-02-28 Grid for electron tubes
DE1963C0029281 DE1194988C2 (en) 1962-03-02 1963-03-01 GRID ELECTRODE FOR HIGH-VACUUM ELECTRON TUBES
US269919A US3307063A (en) 1962-03-02 1963-04-02 Grid electrode made of pyrolytic graphite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR889759A FR1344220A (en) 1962-03-02 1962-03-02 Grid for electron tubes

Publications (1)

Publication Number Publication Date
FR1344220A true FR1344220A (en) 1963-11-29

Family

ID=8773876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889759A Expired FR1344220A (en) 1962-03-02 1962-03-02 Grid for electron tubes

Country Status (7)

Country Link
US (1) US3307063A (en)
CH (1) CH415872A (en)
DE (1) DE1194988C2 (en)
ES (1) ES285347A1 (en)
FR (1) FR1344220A (en)
GB (1) GB1011587A (en)
NL (1) NL139841B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345804A1 (en) * 1976-03-27 1977-10-21 Philips Nv PROCESS FOR THE REALIZATION OF ELECTRODES IN THE FORM OF A GRID FOR ELECTRONIC TUBES AND ELECTRODE SO REALIZED
FR2353131A1 (en) * 1976-05-28 1977-12-23 Philips Nv ELECTRODE, ESPECIALLY IN THE FORM OF A GRID, FOR ELECTRONIC TUBES AND ITS MANUFACTURING PROCESS
EP0009444A1 (en) * 1978-09-19 1980-04-02 Thomson-Csf Process for making pyrolytic graphite grid electrodes for electron tubes

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1523248A (en) * 1967-03-07 1968-05-03 Thomson Houston Comp Francaise Improvements in methods of manufacturing electrodes in the form of grids for electron tubes, electrodes manufactured using these improved methods and electron tubes containing such electrodes
FR1593831A (en) * 1967-12-13 1970-06-01
DE2450261C3 (en) * 1974-10-23 1980-06-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Process for the production of grid electrodes for electron tubes
FR2432215A1 (en) * 1978-07-27 1980-02-22 Thomson Csf ELECTRONIC TUBE WITH CYLINDRICAL GRID IN PYROLYTIC GRAPHITE
DE2838020B2 (en) * 1978-08-31 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Directly heated cathode for an electron tube with a coaxial electrode structure and process for its manufacture
US4277718A (en) * 1979-11-07 1981-07-07 Varian Associates, Inc. Modular electron tube with carbon grid
CS224267B1 (en) * 1980-12-24 1984-01-16 Slavomir Ing Zizka Power tube grid
SU1149329A1 (en) * 1981-02-13 1985-04-07 Организация П/Я Х-5263 Grid electrode for electronic equipment and process for manufacturing it
NL8300191A (en) * 1983-01-19 1984-08-16 Philips Nv ELECTRIC DISCHARGE TUBE.
NL8500220A (en) * 1985-01-28 1986-08-18 Philips Nv ELECTRON TUBE.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172774A (en) * 1965-03-09 Method of forming composite graphite coated article
US1612835A (en) * 1917-01-23 1927-01-04 Siemens Ag Intermediate electrode in incandescent cathode tube
CA353329A (en) * 1931-11-09 1935-10-01 The Canadian General Electric Company Arc discharge apparatus
US2054234A (en) * 1933-07-29 1936-09-15 Hygrade Sylvania Corp Electric discharge device
US2101462A (en) * 1935-03-13 1937-12-07 Farnsworth Television Inc Grid
US2193600A (en) * 1935-04-10 1940-03-12 Westinghouse Electric & Mfg Co Carbon grid for transmitting vacuum tubes
GB830532A (en) * 1957-07-12 1960-03-16 Standard Telephones Cables Ltd Improvements in or relating to electron discharge tubes
NL259428A (en) * 1959-12-23
US3187502A (en) * 1961-01-23 1965-06-08 Gen Electric Rocket nozzle
US3138434A (en) * 1961-04-26 1964-06-23 Gen Electric Deposition method of forming a pyrolytic graphite article
FR1323676A (en) * 1962-02-28 1963-04-12 Thomson Houston Comp Francaise electrode for electron tubes and method of its manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345804A1 (en) * 1976-03-27 1977-10-21 Philips Nv PROCESS FOR THE REALIZATION OF ELECTRODES IN THE FORM OF A GRID FOR ELECTRONIC TUBES AND ELECTRODE SO REALIZED
FR2353131A1 (en) * 1976-05-28 1977-12-23 Philips Nv ELECTRODE, ESPECIALLY IN THE FORM OF A GRID, FOR ELECTRONIC TUBES AND ITS MANUFACTURING PROCESS
EP0009444A1 (en) * 1978-09-19 1980-04-02 Thomson-Csf Process for making pyrolytic graphite grid electrodes for electron tubes

Also Published As

Publication number Publication date
US3307063A (en) 1967-02-28
CH415872A (en) 1966-06-30
NL139841B (en) 1973-09-17
DE1194988B (en) 1965-06-16
ES285347A1 (en) 1963-06-16
DE1194988C2 (en) 1976-01-15
GB1011587A (en) 1965-12-01

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