NL253877A - - Google Patents

Info

Publication number
NL253877A
NL253877A NL253877DA NL253877A NL 253877 A NL253877 A NL 253877A NL 253877D A NL253877D A NL 253877DA NL 253877 A NL253877 A NL 253877A
Authority
NL
Netherlands
Application number
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.)
Publication of NL253877A publication Critical patent/NL253877A/xx

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)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Radiation (AREA)
NL253877D 1960-07-15 NL253877A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL253877A true NL253877A (enrdf_load_stackoverflow)

Family

ID=19752472

Family Applications (2)

Application Number Title Priority Date Filing Date
NL253877D NL253877A (enrdf_load_stackoverflow) 1960-07-15
NL113459D NL113459C (enrdf_load_stackoverflow) 1960-07-15

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL113459D NL113459C (enrdf_load_stackoverflow) 1960-07-15

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1252591A (enrdf_load_stackoverflow) * 1968-02-12 1971-11-10
US4314205A (en) * 1979-11-19 1982-02-02 Paitich Ronald M Method and means for vacuum gauging
AU7367098A (en) 1997-05-09 1998-11-27 Fredericks Company, The 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
NL92807C (enrdf_load_stackoverflow) * 1953-06-15
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
CH408452A (de) 1966-02-28
US3253183A (en) 1966-05-24
DE1151680B (de) 1963-07-18
GB982406A (en) 1965-02-03
NL113459C (enrdf_load_stackoverflow)

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