FR1292657A - Pompes à vide perfectionnées - Google Patents

Pompes à vide perfectionnées

Info

Publication number
FR1292657A
FR1292657A FR865471A FR865471A FR1292657A FR 1292657 A FR1292657 A FR 1292657A FR 865471 A FR865471 A FR 865471A FR 865471 A FR865471 A FR 865471A FR 1292657 A FR1292657 A FR 1292657A
Authority
FR
France
Prior art keywords
vacuum pumps
advanced vacuum
advanced
pumps
vacuum
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
FR865471A
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
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Application granted granted Critical
Publication of FR1292657A publication Critical patent/FR1292657A/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
FR865471A 1960-06-22 1961-06-20 Pompes à vide perfectionnées Expired FR1292657A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38028A US3042824A (en) 1960-06-22 1960-06-22 Improved vacuum pumps

Publications (1)

Publication Number Publication Date
FR1292657A true FR1292657A (fr) 1962-05-04

Family

ID=21897701

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865471A Expired FR1292657A (fr) 1960-06-22 1961-06-20 Pompes à vide perfectionnées

Country Status (4)

Country Link
US (1) US3042824A (fr)
DE (1) DE1234353B (fr)
FR (1) FR1292657A (fr)
GB (1) GB990159A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172748A (en) * 1965-03-09 Sorption pump
US3382388A (en) * 1968-05-07 Rca Corp Ion pump and scrubbing gun for high vacuum apparatus
CN104952685B (zh) * 2015-01-19 2017-11-21 中国航天员科研训练中心 轻量化大抽速离子泵

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE17630C (de) * O. jacob in Plauen i.V Selbstthätig schliefsendes Strafsenbrunnen-Ventil
US2727167A (en) * 1952-04-18 1955-12-13 Westinghouse Electric Corp Ion pump
US2925504A (en) * 1957-06-17 1960-02-16 High Voltage Engineering Corp High-vacuum pumps for high-voltage acceleration tubes

Also Published As

Publication number Publication date
GB990159A (en) 1965-04-28
US3042824A (en) 1962-07-03
DE1234353B (de) 1967-02-16

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