FR1482040A - Pompe à vide - Google Patents

Pompe à vide

Info

Publication number
FR1482040A
FR1482040A FR52004A FR52004A FR1482040A FR 1482040 A FR1482040 A FR 1482040A FR 52004 A FR52004 A FR 52004A FR 52004 A FR52004 A FR 52004A FR 1482040 A FR1482040 A FR 1482040A
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
FR52004A
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.)
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
Priority claimed from US437536A external-priority patent/US3343780A/en
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Priority to FR52004A priority Critical patent/FR1482040A/fr
Application granted granted Critical
Publication of FR1482040A publication Critical patent/FR1482040A/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
FR52004A 1965-03-05 1966-03-04 Pompe à vide Expired FR1482040A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR52004A FR1482040A (fr) 1965-03-05 1966-03-04 Pompe à vide

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US437536A US3343780A (en) 1965-03-05 1965-03-05 Vacuum pump apparatus
US437537A US3338506A (en) 1965-03-05 1965-03-05 Vacuum pump apparatus
FR52004A FR1482040A (fr) 1965-03-05 1966-03-04 Pompe à vide

Publications (1)

Publication Number Publication Date
FR1482040A true FR1482040A (fr) 1967-05-26

Family

ID=27242952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52004A Expired FR1482040A (fr) 1965-03-05 1966-03-04 Pompe à vide

Country Status (1)

Country Link
FR (1) FR1482040A (fr)

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