AU3352263A - Improvements in or relating to methods of coating a filament for an indirectly - heated cathode with a black - radiating insudirectly - heated cathode with a black - radiating insulating layer, cathodes comprising such a filament and electric dicharge tubes provided with such a cathode - Google Patents

Improvements in or relating to methods of coating a filament for an indirectly - heated cathode with a black - radiating insudirectly - heated cathode with a black - radiating insulating layer, cathodes comprising such a filament and electric dicharge tubes provided with such a cathode

Info

Publication number
AU3352263A
AU3352263A AU33522/63A AU3352263A AU3352263A AU 3352263 A AU3352263 A AU 3352263A AU 33522/63 A AU33522/63 A AU 33522/63A AU 3352263 A AU3352263 A AU 3352263A AU 3352263 A AU3352263 A AU 3352263A
Authority
AU
Australia
Prior art keywords
filament
black
cathode
radiating
heated 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
AU33522/63A
Other versions
AU275766B2 (en
Inventor
IPS JOHANNES ALBERTA VAN STRATON and PIETER ZALM ANTON
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
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU275766B2 publication Critical patent/AU275766B2/en
Publication of AU3352263A publication Critical patent/AU3352263A/en
Expired legal-status Critical Current

Links

AU33522/63A 1962-07-30 1963-07-29 Improvements in or relating to methods of coating a filament for an indirectly - heated cathode with a black - radiating insudirectly - heated cathode with a black - radiating insulating layer, cathodes comprising such a filament and electric dicharge tubes provided with such a cathode Expired AU275766B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLNL281567 1962-07-30

Publications (2)

Publication Number Publication Date
AU275766B2 AU275766B2 (en) 1965-02-04
AU3352263A true AU3352263A (en) 1965-02-04

Family

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