CH448559A - Cold cathode ionization manometer tube - Google Patents

Cold cathode ionization manometer tube

Info

Publication number
CH448559A
CH448559A CH32067A CH32067A CH448559A CH 448559 A CH448559 A CH 448559A CH 32067 A CH32067 A CH 32067A CH 32067 A CH32067 A CH 32067A CH 448559 A CH448559 A CH 448559A
Authority
CH
Switzerland
Prior art keywords
cold cathode
manometer tube
cathode ionization
ionization manometer
tube
Prior art date
Application number
CH32067A
Other languages
German (de)
Inventor
Schaedler Walter
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 CH32067A priority Critical patent/CH448559A/en
Priority to NL6704787A priority patent/NL6704787A/xx
Publication of CH448559A publication Critical patent/CH448559A/en
Priority to FR1549955D priority patent/FR1549955A/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
    • 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
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
CH32067A 1967-01-05 1967-01-05 Cold cathode ionization manometer tube CH448559A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH32067A CH448559A (en) 1967-01-05 1967-01-05 Cold cathode ionization manometer tube
NL6704787A NL6704787A (en) 1967-01-05 1967-04-04
FR1549955D FR1549955A (en) 1967-01-05 1968-01-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH32067A CH448559A (en) 1967-01-05 1967-01-05 Cold cathode ionization manometer tube

Publications (1)

Publication Number Publication Date
CH448559A true CH448559A (en) 1967-12-15

Family

ID=4184327

Family Applications (1)

Application Number Title Priority Date Filing Date
CH32067A CH448559A (en) 1967-01-05 1967-01-05 Cold cathode ionization manometer tube

Country Status (3)

Country Link
CH (1) CH448559A (en)
FR (1) FR1549955A (en)
NL (1) NL6704787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516422A2 (en) * 1991-05-31 1992-12-02 The BOC Group plc Improvements relating to vacuum gauges
DE19717263A1 (en) * 1997-04-24 1998-10-29 Leybold Vakuum Gmbh Penning vacuum gauge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0516422A2 (en) * 1991-05-31 1992-12-02 The BOC Group plc Improvements relating to vacuum gauges
EP0516422A3 (en) * 1991-05-31 1993-01-20 The Boc Group Plc Improvements relating to vacuum gauges
DE19717263A1 (en) * 1997-04-24 1998-10-29 Leybold Vakuum Gmbh Penning vacuum gauge
US6285192B1 (en) 1997-04-24 2001-09-04 Leybold Vakuum Gmbh Penning vacuum meter

Also Published As

Publication number Publication date
NL6704787A (en) 1968-07-08
FR1549955A (en) 1968-12-13

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