GB1135676A - Improvements in thermionic cathodes for ionisation gauges - Google Patents

Improvements in thermionic cathodes for ionisation gauges

Info

Publication number
GB1135676A
GB1135676A GB5463966A GB5463966A GB1135676A GB 1135676 A GB1135676 A GB 1135676A GB 5463966 A GB5463966 A GB 5463966A GB 5463966 A GB5463966 A GB 5463966A GB 1135676 A GB1135676 A GB 1135676A
Authority
GB
United Kingdom
Prior art keywords
layer
cathode
dec
core
sintered
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
GB5463966A
Other languages
English (en)
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.)
Leybold Holding AG
Original Assignee
Leybold Holding AG
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 Leybold Holding AG filed Critical Leybold Holding AG
Publication of GB1135676A publication Critical patent/GB1135676A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material

Landscapes

  • Solid Thermionic Cathode (AREA)
GB5463966A 1965-12-08 1966-12-06 Improvements in thermionic cathodes for ionisation gauges Expired GB1135676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965L0052334 DE1265876B (de) 1965-12-08 1965-12-08 Oxydkathode und Verfahren zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
GB1135676A true GB1135676A (en) 1968-12-04

Family

ID=7274638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5463966A Expired GB1135676A (en) 1965-12-08 1966-12-06 Improvements in thermionic cathodes for ionisation gauges

Country Status (4)

Country Link
CH (1) CH445654A (en:Method)
DE (1) DE1265876B (en:Method)
GB (1) GB1135676A (en:Method)
NL (1) NL6612419A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505527A1 (de) * 1985-02-18 1986-08-21 Herfurth Gmbh, 2000 Hamburg Vorrichtung zur kontaminationsueberwachung gegen strahlungsverseuchung von personen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE889811C (de) * 1940-12-11 1953-09-14 Telefunken Gmbh Thoriumoxyd-Paste-Kathode fuer elektrische Entladungsgefaesse

Also Published As

Publication number Publication date
DE1265876B (de) 1968-04-11
CH445654A (de) 1967-10-31
NL6612419A (en:Method) 1967-06-09

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