NL239135A - - Google Patents

Info

Publication number
NL239135A
NL239135A NL239135DA NL239135A NL 239135 A NL239135 A NL 239135A NL 239135D A NL239135D A NL 239135DA NL 239135 A NL239135 A NL 239135A
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 NL239135A publication Critical patent/NL239135A/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
    • H01J41/18Discharge 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
NL239135D 1958-06-06 NL239135A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0058505 1958-06-06

Publications (1)

Publication Number Publication Date
NL239135A true NL239135A (enrdf_load_stackoverflow)

Family

ID=7492586

Family Applications (2)

Application Number Title Priority Date Filing Date
NL239135D NL239135A (enrdf_load_stackoverflow) 1958-06-06
NL132318D NL132318C (enrdf_load_stackoverflow) 1958-06-06

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL132318D NL132318C (enrdf_load_stackoverflow) 1958-06-06

Country Status (6)

Country Link
US (1) US3614264A (enrdf_load_stackoverflow)
CH (1) CH366625A (enrdf_load_stackoverflow)
DE (1) DE1075272B (enrdf_load_stackoverflow)
FR (1) FR1226838A (enrdf_load_stackoverflow)
GB (1) GB915748A (enrdf_load_stackoverflow)
NL (2) NL132318C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391303A (en) * 1965-01-25 1968-07-02 Lewis D. Hall Electronic vacuum pump including a sputter electrode
US3746474A (en) * 1971-04-02 1973-07-17 W Lloyd Ionic vacuum pump
AU2003207957A1 (en) * 2002-01-14 2003-07-24 Varco Ltd. Arc vacuum pump
US9053917B2 (en) 2013-03-29 2015-06-09 Agilent Technologies, Inc. Vacuum fired and brazed ion pump element

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49158C (enrdf_load_stackoverflow) * 1936-05-29
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
CH366625A (de) 1963-01-15
NL132318C (enrdf_load_stackoverflow)
FR1226838A (fr) 1960-08-16
GB915748A (en) 1963-01-16
US3614264A (en) 1971-10-19
DE1075272B (de) 1960-02-11

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