DE1302292B - - Google Patents

Info

Publication number
DE1302292B
DE1302292B DENDAT1302292D DE1302292DA DE1302292B DE 1302292 B DE1302292 B DE 1302292B DE NDAT1302292 D DENDAT1302292 D DE NDAT1302292D DE 1302292D A DE1302292D A DE 1302292DA DE 1302292 B DE1302292 B DE 1302292B
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Pending
Application number
DENDAT1302292D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 DE1302292B publication Critical patent/DE1302292B/de
Pending legal-status Critical Current

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
DENDAT1302292D 1964-03-10 Pending DE1302292B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US350848A US3249290A (en) 1964-03-10 1964-03-10 Vacuum pump apparatus

Publications (1)

Publication Number Publication Date
DE1302292B true DE1302292B (ja)

Family

ID=23378447

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1302292D Pending DE1302292B (ja) 1964-03-10

Country Status (4)

Country Link
US (1) US3249290A (ja)
DE (1) DE1302292B (ja)
FR (1) FR1423484A (ja)
GB (1) GB1065564A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2608365A (en) * 2021-06-25 2023-01-04 Thermo Fisher Scient Bremen Gmbh Improvements relating to Time-of-Flight mass analysers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993638A (en) * 1957-07-24 1961-07-25 Varian Associates Electrical vacuum pump apparatus and method
NL302901A (ja) * 1958-08-01
NL256013A (ja) * 1959-09-25
US3117247A (en) * 1961-05-29 1964-01-07 Varian Associates Vacuum pump

Also Published As

Publication number Publication date
GB1065564A (en) 1967-04-19
US3249290A (en) 1966-05-03
FR1423484A (fr) 1966-01-03

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