AT257749B - Process for the production of an indirectly heatable cathode for an electrical discharge tube - Google Patents

Process for the production of an indirectly heatable cathode for an electrical discharge tube

Info

Publication number
AT257749B
AT257749B AT184966A AT184966A AT257749B AT 257749 B AT257749 B AT 257749B AT 184966 A AT184966 A AT 184966A AT 184966 A AT184966 A AT 184966A AT 257749 B AT257749 B AT 257749B
Authority
AT
Austria
Prior art keywords
production
discharge tube
electrical discharge
indirectly heatable
heatable cathode
Prior art date
Application number
AT184966A
Other languages
German (de)
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 AT257749B publication Critical patent/AT257749B/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
    • H01J1/24—Insulating layer or body located between heater and emissive material
AT184966A 1965-03-02 1966-02-28 Process for the production of an indirectly heatable cathode for an electrical discharge tube AT257749B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL656502586A NL142817B (en) 1965-03-02 1965-03-02 METHOD OF MANUFACTURE OF AN INDIRECTLY HEATED CATHODE, AND CATHODE MADE IN ACCORDANCE WITH THIS METHOD.

Publications (1)

Publication Number Publication Date
AT257749B true AT257749B (en) 1967-10-25

Family

ID=19792531

Family Applications (1)

Application Number Title Priority Date Filing Date
AT184966A AT257749B (en) 1965-03-02 1966-02-28 Process for the production of an indirectly heatable cathode for an electrical discharge tube

Country Status (9)

Country Link
AT (1) AT257749B (en)
BE (1) BE677153A (en)
CH (1) CH442536A (en)
DE (1) DE1564388C3 (en)
DK (1) DK111423B (en)
ES (1) ES323596A1 (en)
FR (1) FR1469999A (en)
GB (1) GB1090935A (en)
NL (1) NL142817B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881975A (en) * 1986-12-23 1989-11-21 Albright & Wilson Limited Products for treating surfaces

Also Published As

Publication number Publication date
DE1564388A1 (en) 1970-03-05
FR1469999A (en) 1967-02-17
NL142817B (en) 1974-07-15
GB1090935A (en) 1967-11-15
DE1564388C3 (en) 1974-06-20
ES323596A1 (en) 1967-01-16
BE677153A (en) 1966-08-29
DK111423B (en) 1968-08-19
CH442536A (en) 1967-08-31
NL6502586A (en) 1966-09-05
DE1564388B2 (en) 1973-11-22

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