[go: up one dir, main page]

AT270820B - Vorratskathode aus eienem gepreßten Gemisch aus Wolframpulver und bariumaluminathaltigem Pulver - Google Patents

Vorratskathode aus eienem gepreßten Gemisch aus Wolframpulver und bariumaluminathaltigem Pulver

Info

Publication number
AT270820B
AT270820B AT577467A AT577467A AT270820B AT 270820 B AT270820 B AT 270820B AT 577467 A AT577467 A AT 577467A AT 577467 A AT577467 A AT 577467A AT 270820 B AT270820 B AT 270820B
Authority
AT
Austria
Prior art keywords
powder
containing barium
cathode made
barium aluminate
pressed mixture
Prior art date
Application number
AT577467A
Other languages
English (en)
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
Application granted granted Critical
Publication of AT270820B publication Critical patent/AT270820B/de

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
AT577467A 1966-06-24 1967-06-21 Vorratskathode aus eienem gepreßten Gemisch aus Wolframpulver und bariumaluminathaltigem Pulver AT270820B (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AT270820B true AT270820B (de) 1969-05-12

Family

ID=19796967

Family Applications (1)

Application Number Title Priority Date Filing Date
AT577467A AT270820B (de) 1966-06-24 1967-06-21 Vorratskathode aus eienem gepreßten Gemisch aus Wolframpulver und bariumaluminathaltigem Pulver

Country Status (8)

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

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 (de) * 1973-08-27 1975-05-08
JPS5150955U (de) * 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 (ko) * 1991-12-20 1993-07-23 김정배 함침형 음극 구조체 및 그 제조방법
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
NL97850C (de) * 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
ES353888A1 (es) 1969-10-01
BE700464A (de) 1967-12-27
CH489111A (de) 1970-04-15
US3458749A (en) 1969-07-29
DE1614256B2 (de) 1975-09-11
NL6608782A (de) 1967-12-27
SE318031B (de) 1969-12-01
ES342176A1 (es) 1968-10-01
GB1131586A (en) 1968-10-23
DE1614256A1 (de) 1970-05-27

Similar Documents

Publication Publication Date Title
IL26726A (en) N-p-chlorobenzoyl-5-fluorocytosine and pharmaceutical composition containing it
AT270820B (de) Vorratskathode aus eienem gepreßten Gemisch aus Wolframpulver und bariumaluminathaltigem Pulver
IL27354A (en) Encapsulation of powders
ZM18868A1 (en) Aeration agent and aqueous slurry type explosive containing same
GB1179907A (en) Sulphonium compounds and compositions containing them.
MY7000048A (en) Substituted piperazines and preparation thereof
CA717822A (en) Orderly feeding of discharge device bases
CA735679A (en) Manufacturing and filling of containers for flowable material
IL27822A (en) Manufacture of 2-trifluoromethyl-benzimidazoles and 2-trifluoromethyl-imidazopyridines
IL22806A (en) Pharmaceutical compositions containing n-acetyl-p-amino-phenol and phenyltoloxamine
AU424045B2 (en) Biologically active compounds and compositions containing them
AU422137B2 (en) Biologically active compounds and compositions containing them
CA719756A (en) High voltage electron discharge device
GB1183638A (en) N-1(Alken-1-yl) Ureas and Phytotoxicant Compositions containing them
CA739654A (en) Manufacture of electron discharge devices having cathodes
IL26675A (en) Granulation of pulverulent substances
CA707218A (en) Storage of elongate material
AU1928867A (en) Biologically active compounds and compositions containing them
AU1907767A (en) Biologically active compounds and compositions containing them
AU422273B2 (en) Smoke ammunition containing liquid smoke producer and absorption active powder
GB1407661A (en) Manufacture of propellant charges
CA734168A (en) Storage of ozone
CA723823A (en) Electron discharge devices
CA714299A (en) Pawl and ratchet mechanisms
IE31616L (en) Fluidizing activation of materials