NL137796C - - Google Patents

Info

Publication number
NL137796C
NL137796C NL137796DA NL137796C NL 137796 C NL137796 C NL 137796C NL 137796D A NL137796D A NL 137796DA NL 137796 C NL137796 C NL 137796C
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 NL137796C publication Critical patent/NL137796C/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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
NL137796D 1960-07-08 NL137796C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR832470A FR1269798A (fr) 1960-07-08 1960-07-08 Pompe ionique à champ magnétique extérieur négligeable

Publications (1)

Publication Number Publication Date
NL137796C true NL137796C (enrdf_load_html_response)

Family

ID=8735181

Family Applications (2)

Application Number Title Priority Date Filing Date
NL266745D NL266745A (enrdf_load_html_response) 1960-07-08
NL137796D NL137796C (enrdf_load_html_response) 1960-07-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL266745D NL266745A (enrdf_load_html_response) 1960-07-08

Country Status (6)

Country Link
US (1) US3172597A (enrdf_load_html_response)
CH (1) CH372127A (enrdf_load_html_response)
DE (1) DE1168010B (enrdf_load_html_response)
FR (1) FR1269798A (enrdf_load_html_response)
GB (1) GB938022A (enrdf_load_html_response)
NL (2) NL137796C (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582710A (en) * 1969-05-22 1971-06-01 Gen Electric Ultrahigh vacuum magnetron ionization gauge with ferromagnetic electrodes
US4167370A (en) * 1976-11-01 1979-09-11 Massachusetts Institute Of Technology Method of an apparatus for self-sustaining high vacuum in a high voltage environment
WO1996018204A1 (en) * 1994-12-05 1996-06-13 Color Planar Displays, Inc. Support structure for flat panel displays
US5655886A (en) * 1995-06-06 1997-08-12 Color Planar Displays, Inc. Vacuum maintenance device for high vacuum chambers
US20180306175A1 (en) * 2017-04-25 2018-10-25 Edwards Vacuum Llc Magnetic focusing in an ion pump using internal ferrous materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50072C (enrdf_load_html_response) * 1935-12-28
US2755014A (en) * 1953-04-24 1956-07-17 Gen Electric Ionic vacuum pump device

Also Published As

Publication number Publication date
GB938022A (en) 1963-09-25
CH372127A (fr) 1963-09-30
US3172597A (en) 1965-03-09
DE1168010B (de) 1964-04-16
FR1269798A (fr) 1961-08-18
NL266745A (enrdf_load_html_response)

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