CA639217A - Thermionic cathode - Google Patents

Thermionic cathode

Info

Publication number
CA639217A
CA639217A CA639217A CA639217DA CA639217A CA 639217 A CA639217 A CA 639217A CA 639217 A CA639217 A CA 639217A CA 639217D A CA639217D A CA 639217DA CA 639217 A CA639217 A CA 639217A
Authority
CA
Canada
Prior art keywords
thermionic cathode
thermionic
cathode
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA639217A
Inventor
A. Espersen George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application granted granted Critical
Publication of CA639217A publication Critical patent/CA639217A/en
Expired legal-status Critical Current

Links

CA639217A Thermionic cathode Expired CA639217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA639217T

Publications (1)

Publication Number Publication Date
CA639217A true CA639217A (en) 1962-04-03

Family

ID=35917730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA639217A Expired CA639217A (en) Thermionic cathode

Country Status (1)

Country Link
CA (1) CA639217A (en)

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