CH408452A - Ionization manometer and method of operating the same - Google Patents

Ionization manometer and method of operating the same

Info

Publication number
CH408452A
CH408452A CH821961A CH821961A CH408452A CH 408452 A CH408452 A CH 408452A CH 821961 A CH821961 A CH 821961A CH 821961 A CH821961 A CH 821961A CH 408452 A CH408452 A CH 408452A
Authority
CH
Switzerland
Prior art keywords
operating
same
ionization manometer
manometer
ionization
Prior art date
Application number
CH821961A
Other languages
German (de)
Inventor
Johannes Van Oostrom Gerardus
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH408452A publication Critical patent/CH408452A/en

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Radiation (AREA)
  • Measuring Fluid Pressure (AREA)
CH821961A 1960-07-15 1961-07-12 Ionization manometer and method of operating the same CH408452A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL253877 1960-07-15

Publications (1)

Publication Number Publication Date
CH408452A true CH408452A (en) 1966-02-28

Family

ID=19752472

Family Applications (1)

Application Number Title Priority Date Filing Date
CH821961A CH408452A (en) 1960-07-15 1961-07-12 Ionization manometer and method of operating the same

Country Status (5)

Country Link
US (1) US3253183A (en)
CH (1) CH408452A (en)
DE (1) DE1151680B (en)
GB (1) GB982406A (en)
NL (2) NL113459C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252591A (en) * 1968-02-12 1971-11-10
US4314205A (en) * 1979-11-19 1982-02-02 Paitich Ronald M Method and means for vacuum gauging
WO1998050768A1 (en) 1997-05-09 1998-11-12 The Fredericks Company Bayard-alpert vacuum gauge with neutralization of x-ray effect

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605431A (en) * 1950-03-30 1952-07-29 Westinghouse Electric Corp Ionization vacuum gauge
NL179125B (en) * 1953-06-15 Degussa PROCESS FOR DESULFURIZING ACTIVE CARBON CONTAINING SULFIDIC SULFUR.
US2848635A (en) * 1954-11-16 1958-08-19 Vacuum Electronic Engineering Ionization gauges
US2972690A (en) * 1959-07-28 1961-02-21 Nat Company Inc Ion pump and gauge

Also Published As

Publication number Publication date
NL113459C (en)
DE1151680B (en) 1963-07-18
NL253877A (en)
GB982406A (en) 1965-02-03
US3253183A (en) 1966-05-24

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