FR1214647A - Pompe à vide - Google Patents

Pompe à vide

Info

Publication number
FR1214647A
FR1214647A FR1214647DA FR1214647A FR 1214647 A FR1214647 A FR 1214647A FR 1214647D A FR1214647D A FR 1214647DA FR 1214647 A FR1214647 A FR 1214647A
Authority
FR
France
Prior art keywords
vacuum pump
vacuum
pump
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
Other languages
English (en)
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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 Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Application granted granted Critical
Publication of FR1214647A publication Critical patent/FR1214647A/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
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
FR1214647D 1958-01-27 1959-01-27 Pompe à vide Expired FR1214647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US711397A US2913167A (en) 1958-01-27 1958-01-27 Vacuum pump

Publications (1)

Publication Number Publication Date
FR1214647A true FR1214647A (fr) 1960-04-11

Family

ID=24857923

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1214647D Expired FR1214647A (fr) 1958-01-27 1959-01-27 Pompe à vide

Country Status (3)

Country Link
US (1) US2913167A (fr)
CH (1) CH370186A (fr)
FR (1) FR1214647A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368100A (en) * 1963-11-25 1968-02-06 Gen Electric Vacuum pump having a radially segmented, annular anode
US3327929A (en) * 1965-01-27 1967-06-27 Gen Electric Getter vacuum pump
US3310226A (en) * 1965-02-11 1967-03-21 Nat Res Corp Vacuum device
GB2592655B (en) * 2020-03-05 2023-01-11 Edwards Vacuum Llc Pump module

Also Published As

Publication number Publication date
US2913167A (en) 1959-11-17
CH370186A (de) 1963-06-30

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