BE792763A - INDIRECT HEATING CATHODE AND ITS MANUFACTURING PROCESS - Google Patents

INDIRECT HEATING CATHODE AND ITS MANUFACTURING PROCESS

Info

Publication number
BE792763A
BE792763A BE792763DA BE792763A BE 792763 A BE792763 A BE 792763A BE 792763D A BE792763D A BE 792763DA BE 792763 A BE792763 A BE 792763A
Authority
BE
Belgium
Prior art keywords
manufacturing process
indirect heating
heating cathode
cathode
indirect
Prior art date
Application number
Other languages
French (fr)
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.)
Publication date
Publication of BE792763A publication Critical patent/BE792763A/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
    • H01J1/26—Supports for the emissive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
BE792763D 1971-12-16 INDIRECT HEATING CATHODE AND ITS MANUFACTURING PROCESS BE792763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7117226A NL7117226A (en) 1971-12-16 1971-12-16

Publications (1)

Publication Number Publication Date
BE792763A true BE792763A (en) 1973-06-14

Family

ID=19814707

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792763D BE792763A (en) 1971-12-16 INDIRECT HEATING CATHODE AND ITS MANUFACTURING PROCESS

Country Status (8)

Country Link
US (1) US3823453A (en)
JP (1) JPS5228631B2 (en)
BE (1) BE792763A (en)
CA (1) CA956694A (en)
DE (1) DE2258160B2 (en)
FR (1) FR2163606B1 (en)
GB (1) GB1349128A (en)
NL (1) NL7117226A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739010B2 (en) * 1973-11-02 1982-08-19
US3919751A (en) * 1974-02-08 1975-11-18 Gte Sylvania Inc Method of making fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
JPS50146466U (en) * 1974-05-20 1975-12-04
JPS6016059B2 (en) * 1977-08-11 1985-04-23 ソニー株式会社 Cathode ray tube manufacturing method
NL8100928A (en) * 1981-02-26 1982-09-16 Philips Nv OXYD CATHODE.
US4781640A (en) * 1985-01-24 1988-11-01 Varian Associates, Inc. Basket electrode shaping
JPH0677435B2 (en) * 1985-03-18 1994-09-28 株式会社日立製作所 Method for manufacturing indirectly heated cathode
KR960007663Y1 (en) * 1990-12-29 1996-09-06 Lg Electronics Inc Cathode structure
TW259878B (en) * 1993-03-17 1995-10-11 Toshiba Co Ltd
CN101075515B (en) * 2007-06-28 2011-09-07 北京工业大学 High-curren density heterogeneous beam electron source

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1897933A (en) * 1928-08-02 1933-02-14 Peoples Gas By Products Corp Electrode for electron discharge tubes and method of forming the same
US2726308A (en) * 1952-02-13 1955-12-06 Cinamon Lionel Welding method
US2970204A (en) * 1958-02-27 1961-01-31 Piceu Electric welding method and composition
US2978606A (en) * 1959-01-02 1961-04-04 Sylvania Electric Prod Electron discharge device
US3535757A (en) * 1968-03-22 1970-10-27 Rca Corp Method for making cathode assembly for electron tube

Also Published As

Publication number Publication date
US3823453A (en) 1974-07-16
DE2258160B2 (en) 1977-06-02
DE2258160A1 (en) 1973-06-20
JPS4866968A (en) 1973-09-13
FR2163606B1 (en) 1977-04-08
CA956694A (en) 1974-10-22
JPS5228631B2 (en) 1977-07-27
FR2163606A1 (en) 1973-07-27
NL7117226A (en) 1973-06-19
GB1349128A (en) 1974-03-27

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