FR1290084A - Pompe à vide - Google Patents

Pompe à vide

Info

Publication number
FR1290084A
FR1290084A FR863315A FR863315A FR1290084A FR 1290084 A FR1290084 A FR 1290084A FR 863315 A FR863315 A FR 863315A FR 863315 A FR863315 A FR 863315A FR 1290084 A FR1290084 A FR 1290084A
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
FR863315A
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 US35807A external-priority patent/US3115297A/en
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Priority to FR863315A priority Critical patent/FR1290084A/fr
Application granted granted Critical
Publication of FR1290084A publication Critical patent/FR1290084A/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
FR863315A 1960-06-13 1961-05-30 Pompe à vide Expired FR1290084A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR863315A FR1290084A (fr) 1960-06-13 1961-05-30 Pompe à vide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35807A US3115297A (en) 1960-06-13 1960-06-13 Vacuum pump
FR863315A FR1290084A (fr) 1960-06-13 1961-05-30 Pompe à vide

Publications (1)

Publication Number Publication Date
FR1290084A true FR1290084A (fr) 1962-04-06

Family

ID=26190775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863315A Expired FR1290084A (fr) 1960-06-13 1961-05-30 Pompe à vide

Country Status (1)

Country Link
FR (1) FR1290084A (fr)

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