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FR1361143A - Improvements to electron guns equipped with a long-life cathode - Google Patents

Improvements to electron guns equipped with a long-life cathode

Info

Publication number
FR1361143A
FR1361143A FR939343A FR939343A FR1361143A FR 1361143 A FR1361143 A FR 1361143A FR 939343 A FR939343 A FR 939343A FR 939343 A FR939343 A FR 939343A FR 1361143 A FR1361143 A FR 1361143A
Authority
FR
France
Prior art keywords
long
electron guns
life cathode
guns equipped
cathode
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
FR939343A
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 FR939343A priority Critical patent/FR1361143A/en
Application granted granted Critical
Publication of FR1361143A publication Critical patent/FR1361143A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
FR939343A 1963-06-25 1963-06-25 Improvements to electron guns equipped with a long-life cathode Expired FR1361143A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR939343A FR1361143A (en) 1963-06-25 1963-06-25 Improvements to electron guns equipped with a long-life cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939343A FR1361143A (en) 1963-06-25 1963-06-25 Improvements to electron guns equipped with a long-life cathode

Publications (1)

Publication Number Publication Date
FR1361143A true FR1361143A (en) 1964-05-15

Family

ID=8806909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939343A Expired FR1361143A (en) 1963-06-25 1963-06-25 Improvements to electron guns equipped with a long-life cathode

Country Status (1)

Country Link
FR (1) FR1361143A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573575A1 (en) * 1984-11-21 1986-05-23 Philips Nv CATHODE RAY TUBE HAVING ION TRAP

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573575A1 (en) * 1984-11-21 1986-05-23 Philips Nv CATHODE RAY TUBE HAVING ION TRAP

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