NL243654A - - Google Patents

Info

Publication number
NL243654A
NL243654A NL243654DA NL243654A NL 243654 A NL243654 A NL 243654A NL 243654D A NL243654D A NL 243654DA NL 243654 A NL243654 A NL 243654A
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 NL243654A publication Critical patent/NL243654A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/18Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
NL243654D 1958-09-25 NL243654A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1110812XA 1958-09-25 1958-09-25
US763293A US3080104A (en) 1958-09-25 1958-09-25 Ionic pump

Publications (1)

Publication Number Publication Date
NL243654A true NL243654A (en)

Family

ID=26808622

Family Applications (1)

Application Number Title Priority Date Filing Date
NL243654D NL243654A (en) 1958-09-25

Country Status (2)

Country Link
US (1) US3080104A (en)
NL (1) NL243654A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053215A (en) * 1963-04-15
GB1021064A (en) * 1963-11-08 1966-02-23 Mullard Ltd Improvements in or relating to vacuum ion pumps
FR1419326A (en) * 1964-01-02 1966-02-17 Thomson Houston Comp Francaise Improvements to ion pumps
US3324729A (en) * 1964-09-14 1967-06-13 Gen Electric Method and apparatus for detecting leaks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2081429A (en) * 1933-06-03 1937-05-25 Gaede Wolfgang Electron tube and method of operating the same
NL50072C (en) * 1935-12-28
US2131897A (en) * 1937-02-27 1938-10-04 Rca Corp Electronic vacuum pump
US2460175A (en) * 1945-07-31 1949-01-25 Hazeltine Research Inc Ionic vacuum pump
US2636664A (en) * 1949-01-28 1953-04-28 Hertzler Elmer Afton High vacuum pumping method, apparatus, and techniques
US2726805A (en) * 1953-01-29 1955-12-13 Ernest O Lawrence Ion pump
US2755014A (en) * 1953-04-24 1956-07-17 Gen Electric Ionic vacuum pump device
GB797232A (en) * 1955-07-11 1958-06-25 Manfred Von Ardenne Improvements in or relating to high vacuum ion pumps

Also Published As

Publication number Publication date
US3080104A (en) 1963-03-05

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