FR1274476A - Process for the manufacture of an oxide cathode and cathode thus produced - Google Patents

Process for the manufacture of an oxide cathode and cathode thus produced

Info

Publication number
FR1274476A
FR1274476A FR835071A FR835071A FR1274476A FR 1274476 A FR1274476 A FR 1274476A FR 835071 A FR835071 A FR 835071A FR 835071 A FR835071 A FR 835071A FR 1274476 A FR1274476 A FR 1274476A
Authority
FR
France
Prior art keywords
cathode
manufacture
produced
oxide
oxide 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
FR835071A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR835071A priority Critical patent/FR1274476A/en
Application granted granted Critical
Publication of FR1274476A publication Critical patent/FR1274476A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
FR835071A 1959-08-06 1960-08-05 Process for the manufacture of an oxide cathode and cathode thus produced Expired FR1274476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR835071A FR1274476A (en) 1959-08-06 1960-08-05 Process for the manufacture of an oxide cathode and cathode thus produced

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL242087 1959-08-06
FR835071A FR1274476A (en) 1959-08-06 1960-08-05 Process for the manufacture of an oxide cathode and cathode thus produced

Publications (1)

Publication Number Publication Date
FR1274476A true FR1274476A (en) 1961-10-27

Family

ID=26187043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835071A Expired FR1274476A (en) 1959-08-06 1960-08-05 Process for the manufacture of an oxide cathode and cathode thus produced

Country Status (1)

Country Link
FR (1) FR1274476A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416535A2 (en) * 1989-09-05 1991-03-13 Sony Corporation Cathode for electron tubes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0416535A2 (en) * 1989-09-05 1991-03-13 Sony Corporation Cathode for electron tubes
EP0416535A3 (en) * 1989-09-05 1991-05-08 Sony Corporation Cathode for electron tubes

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