CH480626A - Ionization manometer tube with exchangeable hot cathode - Google Patents

Ionization manometer tube with exchangeable hot cathode

Info

Publication number
CH480626A
CH480626A CH1951868A CH1951868A CH480626A CH 480626 A CH480626 A CH 480626A CH 1951868 A CH1951868 A CH 1951868A CH 1951868 A CH1951868 A CH 1951868A CH 480626 A CH480626 A CH 480626A
Authority
CH
Switzerland
Prior art keywords
hot cathode
manometer tube
ionization manometer
exchangeable
exchangeable hot
Prior art date
Application number
CH1951868A
Other languages
German (de)
Inventor
Mennenga Hermann
Original Assignee
Balzers Patent Beteilig 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 Balzers Patent Beteilig Ag filed Critical Balzers Patent Beteilig Ag
Priority to CH1951868A priority Critical patent/CH480626A/en
Priority to NL6901458A priority patent/NL6901458A/xx
Priority to DE19691934942 priority patent/DE1934942A1/en
Priority to GB5893169A priority patent/GB1219560A/en
Publication of CH480626A publication Critical patent/CH480626A/en
Priority to FR6944013A priority patent/FR2027015A1/fr

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
CH1951868A 1968-12-24 1968-12-24 Ionization manometer tube with exchangeable hot cathode CH480626A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1951868A CH480626A (en) 1968-12-24 1968-12-24 Ionization manometer tube with exchangeable hot cathode
NL6901458A NL6901458A (en) 1968-12-24 1969-01-29
DE19691934942 DE1934942A1 (en) 1968-12-24 1969-07-10 Ionization manometer tube with exchangeable glow cathode
GB5893169A GB1219560A (en) 1968-12-24 1969-12-03 Improvement in and relating to ionisation manometer tubes
FR6944013A FR2027015A1 (en) 1968-12-24 1969-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1951868A CH480626A (en) 1968-12-24 1968-12-24 Ionization manometer tube with exchangeable hot cathode

Publications (1)

Publication Number Publication Date
CH480626A true CH480626A (en) 1969-12-15

Family

ID=4439808

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1951868A CH480626A (en) 1968-12-24 1968-12-24 Ionization manometer tube with exchangeable hot cathode

Country Status (5)

Country Link
CH (1) CH480626A (en)
DE (1) DE1934942A1 (en)
FR (1) FR2027015A1 (en)
GB (1) GB1219560A (en)
NL (1) NL6901458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0827179A1 (en) * 1996-08-30 1998-03-04 Varian Associates, Inc. Single potential ion source

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945925A1 (en) * 1979-11-14 1981-05-27 Leybold-Heraeus GmbH, 5000 Köln Ionisation manometer for vacuum measurement - has anode with window and grid wires for passage of electrons and screened cathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0827179A1 (en) * 1996-08-30 1998-03-04 Varian Associates, Inc. Single potential ion source

Also Published As

Publication number Publication date
GB1219560A (en) 1971-01-20
DE1934942A1 (en) 1970-07-09
FR2027015A1 (en) 1970-09-25
NL6901458A (en) 1970-06-26

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Legal Events

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