CH439571A - Vacuum pump - Google Patents

Vacuum pump

Info

Publication number
CH439571A
CH439571A CH401163A CH401163A CH439571A CH 439571 A CH439571 A CH 439571A CH 401163 A CH401163 A CH 401163A CH 401163 A CH401163 A CH 401163A CH 439571 A CH439571 A CH 439571A
Authority
CH
Switzerland
Prior art keywords
vacuum pump
vacuum
pump
Prior art date
Application number
CH401163A
Other languages
German (de)
Inventor
Taylor Farnsworth Philo
Original Assignee
Standard Telephon & Radio Ag
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 US183440A external-priority patent/US3181028A/en
Application filed by Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH439571A publication Critical patent/CH439571A/en

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
    • 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
CH401163A 1962-03-29 1963-03-29 Vacuum pump CH439571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US183440A US3181028A (en) 1962-03-29 1962-03-29 Ion transport vacuum pump

Publications (1)

Publication Number Publication Date
CH439571A true CH439571A (en) 1967-07-15

Family

ID=22672800

Family Applications (1)

Application Number Title Priority Date Filing Date
CH401163A CH439571A (en) 1962-03-29 1963-03-29 Vacuum pump

Country Status (5)

Country Link
BE (1) BE630302A (en)
CH (1) CH439571A (en)
DE (1) DE1231844B (en)
GB (1) GB1031766A (en)
NL (1) NL290849A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011686A1 (en) * 2008-02-28 2009-09-03 Inficon Gmbh helium sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1246669A (en) * 1959-02-17 1960-11-18 Whitehall Rand Inc Fluid pump

Also Published As

Publication number Publication date
DE1231844B (en) 1967-01-05
NL290849A (en)
BE630302A (en)
GB1031766A (en) 1966-06-02

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