CH397092A - Cathode for an electric discharge tube - Google Patents

Cathode for an electric discharge tube

Info

Publication number
CH397092A
CH397092A CH698760A CH698760A CH397092A CH 397092 A CH397092 A CH 397092A CH 698760 A CH698760 A CH 698760A CH 698760 A CH698760 A CH 698760A CH 397092 A CH397092 A CH 397092A
Authority
CH
Switzerland
Prior art keywords
cathode
electric discharge
discharge tube
tube
electric
Prior art date
Application number
CH698760A
Other languages
German (de)
Inventor
Johannes Lemmens Hendrikus
Zalm Pieter
Alberta Van Stratum A Johannes
Reinier Blatter Johannes
Raymund Almer Friedric Hermann
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH397092A publication Critical patent/CH397092A/en

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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
CH698760A 1959-06-23 1960-06-20 Cathode for an electric discharge tube CH397092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL240535 1959-06-23

Publications (1)

Publication Number Publication Date
CH397092A true CH397092A (en) 1965-08-15

Family

ID=19751792

Family Applications (1)

Application Number Title Priority Date Filing Date
CH698760A CH397092A (en) 1959-06-23 1960-06-20 Cathode for an electric discharge tube

Country Status (3)

Country Link
US (1) US3113236A (en)
CH (1) CH397092A (en)
GB (1) GB929002A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318716A (en) * 1962-09-11 1967-05-09 Pennsalt Chemicals Corp Foam reduction and coating
US3320463A (en) * 1962-07-23 1967-05-16 Gen Electric Electron discharge tube having an improved electrode mounting structure
DE1234861B (en) * 1965-07-05 1967-02-23 Siemens Ag Storage cathode for electrical discharge vessels
US3710161A (en) * 1970-10-30 1973-01-09 Gen Electric Quick-heating impregnated planar cathode
US3842309A (en) * 1970-11-12 1974-10-15 Philips Corp Method of manufacturing a storage cathode and cathode manufactured by said method
US4404492A (en) * 1981-08-24 1983-09-13 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method for producing same
US4400647A (en) * 1981-08-24 1983-08-23 North American Philips Consumer Electronics Corp. Cathode structure for cathode ray tubes and method
KR910006044B1 (en) * 1988-11-12 1991-08-12 삼성전관 주식회사 Manufacturing method of an electron gun for crt
US5092779A (en) * 1990-02-21 1992-03-03 Piwonka Dennis F Academic quiz controller
KR100195955B1 (en) * 1995-12-20 1999-06-15 구자홍 Cathode structure and the coating method of electron emitter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA568817A (en) * 1959-01-13 C. Van Der Linden Petrus Thermionic cathode
US2131204A (en) * 1936-01-15 1938-09-27 Siemens Ag Indirectly heated thermionic cathode
NL69486C (en) * 1947-11-26
BE486753A (en) * 1948-01-15
BE515835A (en) * 1951-11-29
GB741369A (en) * 1952-10-22 1955-11-30 British Thomson Houston Co Ltd Improvements in and relating to thermionic cathodes
DE1046203B (en) * 1952-12-15 1958-12-11 Siemens Ag Storage cathode for electrical discharge vessels
BE531122A (en) * 1953-08-14
BE550302A (en) * 1955-08-15
DE1047320B (en) * 1956-04-21 1958-12-24 Gen Electric Process for the production of oxide cathodes for electrical discharge tubes, the carrier metal of which consists of pure nickel
US2945150A (en) * 1958-12-11 1960-07-12 Gen Electric Thermionic cathodes and methods of making
NL101694C (en) * 1959-03-06
US2965793A (en) * 1959-05-12 1960-12-20 Westinghouse Electric Corp Electron device

Also Published As

Publication number Publication date
US3113236A (en) 1963-12-03
GB929002A (en) 1963-06-19

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