NL249138A - - Google Patents

Info

Publication number
NL249138A
NL249138A NL249138DA NL249138A NL 249138 A NL249138 A NL 249138A NL 249138D A NL249138D A NL 249138DA NL 249138 A NL249138 A NL 249138A
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 NL249138A publication Critical patent/NL249138A/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
    • 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
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
NL249138D 1959-03-06 NL249138A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US797673A US3028071A (en) 1959-03-06 1959-03-06 Glow discharge apparatus

Publications (1)

Publication Number Publication Date
NL249138A true NL249138A (en:Method)

Family

ID=25171500

Family Applications (1)

Application Number Title Priority Date Filing Date
NL249138D NL249138A (en:Method) 1959-03-06

Country Status (4)

Country Link
US (1) US3028071A (en:Method)
DE (1) DE1128946B (en:Method)
GB (1) GB873024A (en:Method)
NL (1) NL249138A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1269764B (de) * 1962-05-25 1968-06-06 Siemens Ag Ionen-Getter-Pumpe
US3258194A (en) * 1963-07-29 1966-06-28 Varian Associates Magnetically confined glow discharge apparatus
GB1152475A (en) * 1965-08-17 1969-05-21 Leybold Hereaus Verwaltung G M Improvements In Getter-Ion Vacuum Pumps
DE1539133B1 (de) * 1966-04-28 1969-10-02 Leybold Heraeus Gmbh & Co Kg Ionengetterpumpe
DE4326265A1 (de) * 1993-08-05 1995-02-09 Leybold Ag Testgasdetektor, vorzugsweise für Lecksuchgeräte, sowie Verfahren zum Betrieb eines Testgasdetektors dieser Art

Also Published As

Publication number Publication date
US3028071A (en) 1962-04-03
GB873024A (en) 1961-07-19
DE1128946B (de) 1962-05-03

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