GB1221075A - Method of making cathode heaters - Google Patents

Method of making cathode heaters

Info

Publication number
GB1221075A
GB1221075A GB1123068A GB1123068A GB1221075A GB 1221075 A GB1221075 A GB 1221075A GB 1123068 A GB1123068 A GB 1123068A GB 1123068 A GB1123068 A GB 1123068A GB 1221075 A GB1221075 A GB 1221075A
Authority
GB
United Kingdom
Prior art keywords
wire
minutes
coating
ammonium tungstate
oxidized
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
GB1123068A
Other languages
English (en)
Inventor
Paul D Williams
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of GB1221075A publication Critical patent/GB1221075A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/08—Manufacture of heaters for indirectly-heated cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
GB1123068A 1967-03-07 1968-03-07 Method of making cathode heaters Expired GB1221075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62119467A 1967-03-07 1967-03-07

Publications (1)

Publication Number Publication Date
GB1221075A true GB1221075A (en) 1971-02-03

Family

ID=24489140

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1123068A Expired GB1221075A (en) 1967-03-07 1968-03-07 Method of making cathode heaters

Country Status (5)

Country Link
CH (1) CH465067A (cs)
DE (1) DE1639016B1 (cs)
FR (1) FR1566488A (cs)
GB (1) GB1221075A (cs)
SE (1) SE337065B (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112218975A (zh) * 2018-06-07 2021-01-12 朗姆研究公司 减少跨膜界面的扩散

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE726048C (de) * 1938-01-04 1942-10-06 Siemens Ag Verfahren zur Herstellung schwarzer UEberzuege auf Metallteilen von Elektronenroehren
NL268393A (cs) * 1960-08-19
US3161540A (en) * 1962-06-20 1964-12-15 Sylvania Electric Prod Process of manufacturing insulated heater wire and article
NL6402479A (cs) * 1964-03-11 1965-09-13
US3268305A (en) * 1964-08-17 1966-08-23 Sylvania Electric Prod Composite wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112218975A (zh) * 2018-06-07 2021-01-12 朗姆研究公司 减少跨膜界面的扩散

Also Published As

Publication number Publication date
CH465067A (fr) 1968-11-15
FR1566488A (cs) 1969-05-09
SE337065B (cs) 1971-07-26
DE1639016B1 (de) 1972-05-31

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