AT276576B - Indirekt heizbare Kathode - Google Patents

Indirekt heizbare Kathode

Info

Publication number
AT276576B
AT276576B AT138568A AT138568A AT276576B AT 276576 B AT276576 B AT 276576B AT 138568 A AT138568 A AT 138568A AT 138568 A AT138568 A AT 138568A AT 276576 B AT276576 B AT 276576B
Authority
AT
Austria
Prior art keywords
indirectly heatable
heatable cathode
cathode
indirectly
heatable
Prior art date
Application number
AT138568A
Other languages
German (de)
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 AT276576B publication Critical patent/AT276576B/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
    • H01J1/24—Insulating layer or body located between heater and emissive material
    • 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
AT138568A 1967-02-17 1968-02-14 Indirekt heizbare Kathode AT276576B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL676702376A NL153018B (nl) 1967-02-17 1967-02-17 Indirect verhitte kathode.

Publications (1)

Publication Number Publication Date
AT276576B true AT276576B (de) 1969-11-25

Family

ID=19799315

Family Applications (1)

Application Number Title Priority Date Filing Date
AT138568A AT276576B (de) 1967-02-17 1968-02-14 Indirekt heizbare Kathode

Country Status (8)

Country Link
US (1) US3553521A (enEXAMPLES)
AT (1) AT276576B (enEXAMPLES)
BE (1) BE710828A (enEXAMPLES)
CH (1) CH468713A (enEXAMPLES)
ES (1) ES350511A1 (enEXAMPLES)
FR (1) FR1553520A (enEXAMPLES)
GB (1) GB1150409A (enEXAMPLES)
NL (1) NL153018B (enEXAMPLES)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883767A (en) * 1974-02-08 1975-05-13 Gte Sylvania Inc Heater for fast warmup cathode
US3881126A (en) * 1974-03-06 1975-04-29 Gte Sylvania Inc Fast warm-up cathode assembly
JPS6023454B2 (ja) * 1978-11-29 1985-06-07 株式会社日立製作所 電子管陰極
DE3029853C2 (de) * 1980-08-07 1982-08-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Indirekt durch Elektronenstoß geheizte Wehneltkathode
NL8304401A (nl) * 1983-12-22 1985-07-16 Philips Nv Oxydkathode.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733378A (en) * 1956-01-31 Thermionic cathodes for electronic discharge devices
US1719988A (en) * 1923-01-26 1929-07-09 Westinghouse Lamp Co Electron device and the like adapted for alternating current
US2878410A (en) * 1954-11-09 1959-03-17 Gen Electric Electronic tube structure
GB937391A (en) * 1962-02-14 1963-09-18 Mullard Ltd Cold-cathode glow-discharge tubes
US3268305A (en) * 1964-08-17 1966-08-23 Sylvania Electric Prod Composite wire
US3401297A (en) * 1965-08-23 1968-09-10 Varian Associates Thermionic cathodes for electron discharge devices with improved refractory metal heater wires

Also Published As

Publication number Publication date
DE1639341A1 (de) 1971-04-08
DE1639341B2 (de) 1976-02-12
BE710828A (enEXAMPLES) 1968-08-16
NL153018B (nl) 1977-04-15
FR1553520A (enEXAMPLES) 1969-01-10
GB1150409A (en) 1969-04-30
US3553521A (en) 1971-01-05
ES350511A1 (es) 1969-05-16
NL6702376A (enEXAMPLES) 1968-08-19
CH468713A (de) 1969-02-15

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