CH489111A - Process for the production of a pressed supply cathode - Google Patents

Process for the production of a pressed supply cathode

Info

Publication number
CH489111A
CH489111A CH879567A CH879567A CH489111A CH 489111 A CH489111 A CH 489111A CH 879567 A CH879567 A CH 879567A CH 879567 A CH879567 A CH 879567A CH 489111 A CH489111 A CH 489111A
Authority
CH
Switzerland
Prior art keywords
production
supply cathode
pressed supply
pressed
cathode
Prior art date
Application number
CH879567A
Other languages
German (de)
Inventor
Alberta Van Stratum A Johannes
Zalm Pieter
Johannes Verest Franciscus
Henkes Hans
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 CH489111A publication Critical patent/CH489111A/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
CH879567A 1966-06-24 1967-06-21 Process for the production of a pressed supply cathode CH489111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6608782A NL6608782A (en) 1966-06-24 1966-06-24

Publications (1)

Publication Number Publication Date
CH489111A true CH489111A (en) 1970-04-15

Family

ID=19796967

Family Applications (1)

Application Number Title Priority Date Filing Date
CH879567A CH489111A (en) 1966-06-24 1967-06-21 Process for the production of a pressed supply cathode

Country Status (8)

Country Link
US (1) US3458749A (en)
AT (1) AT270820B (en)
BE (1) BE700464A (en)
CH (1) CH489111A (en)
ES (2) ES342176A1 (en)
GB (1) GB1131586A (en)
NL (1) NL6608782A (en)
SE (1) SE318031B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534455A (en) * 1968-05-03 1970-10-20 Us Army Method of making thermionic cathodes
US3656020A (en) * 1970-11-18 1972-04-11 Spectra Mat Inc Thermionic cathode comprising mixture of barium oxide, calcium oxide and lithium oxide
US3760218A (en) * 1972-04-10 1973-09-18 Spectramat Inc Thermionic cathode
JPS5046058U (en) * 1973-08-27 1975-05-08
JPS5150955U (en) * 1974-10-16 1976-04-17
US4837480A (en) * 1988-03-28 1989-06-06 Hughes Aircraft Company Simplified process for fabricating dispenser cathodes
US5092805A (en) * 1988-11-11 1992-03-03 Samsung Electron Devices Co., Ltd. Manufacturing method for dispenser code
KR930014673A (en) * 1991-12-20 1993-07-23 김정배 Impregnated Cathode Structure and Manufacturing Method Thereof
US7406268B2 (en) * 2003-08-27 2008-07-29 Avago Technologies Limited Optical receiver circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544065A (en) * 1953-08-14
US2975320A (en) * 1958-12-03 1961-03-14 Rca Corp Low-temperature plasma source
US3076916A (en) * 1959-01-21 1963-02-05 Semicon Associates Inc Impregnated tungsten cathode structures and methods for fabricating same

Also Published As

Publication number Publication date
AT270820B (en) 1969-05-12
DE1614256A1 (en) 1970-05-27
BE700464A (en) 1967-12-27
GB1131586A (en) 1968-10-23
ES342176A1 (en) 1968-10-01
NL6608782A (en) 1967-12-27
SE318031B (en) 1969-12-01
DE1614256B2 (en) 1975-09-11
ES353888A1 (en) 1969-10-01
US3458749A (en) 1969-07-29

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Legal Events

Date Code Title Description
PL Patent ceased