FR1423484A - Appareil de pompage à vide - Google Patents

Appareil de pompage à vide

Info

Publication number
FR1423484A
FR1423484A FR4360A FR4360A FR1423484A FR 1423484 A FR1423484 A FR 1423484A FR 4360 A FR4360 A FR 4360A FR 4360 A FR4360 A FR 4360A FR 1423484 A FR1423484 A FR 1423484A
Authority
FR
France
Prior art keywords
pumping device
vacuum pumping
vacuum
pumping
Prior art date
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.)
Expired
Application number
FR4360A
Other languages
English (en)
French (fr)
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.)
Filing date
Publication date
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of FR1423484A publication Critical patent/FR1423484A/fr
Expired 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
FR4360A 1964-03-10 1965-02-04 Appareil de pompage à vide Expired FR1423484A (fr)

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
FR1423484A true FR1423484A (fr) 1966-01-03

Family

ID=23378447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR4360A Expired FR1423484A (fr) 1964-03-10 1965-02-04 Appareil de pompage à vide

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10840077B2 (en) 2018-06-05 2020-11-17 Trace Matters Scientific Llc Reconfigureable sequentially-packed ion (SPION) transfer device
GB2628048A (en) * 2021-06-25 2024-09-11 Thermo Fisher Scient Bremen Gmbh Improvements relating to Time-of-Flight mass analysers
GB2608365B (en) * 2021-06-25 2024-11-27 Thermo Fisher Scient Bremen Gmbh Improvements relating toTime-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
NL111716C (enrdf_load_stackoverflow) * 1958-08-01
NL256013A (enrdf_load_stackoverflow) * 1959-09-25
US3117247A (en) * 1961-05-29 1964-01-07 Varian Associates Vacuum pump

Also Published As

Publication number Publication date
US3249290A (en) 1966-05-03
DE1302292B (enrdf_load_stackoverflow)
GB1065564A (en) 1967-04-19

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