FR2069508A5 - - Google Patents

Info

Publication number
FR2069508A5
FR2069508A5 FR7041040A FR7041040A FR2069508A5 FR 2069508 A5 FR2069508 A5 FR 2069508A5 FR 7041040 A FR7041040 A FR 7041040A FR 7041040 A FR7041040 A FR 7041040A FR 2069508 A5 FR2069508 A5 FR 2069508A5
Authority
FR
France
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
FR7041040A
Other languages
French (fr)
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.)
Edwards High Vacuum International Ltd
Original Assignee
Edwards High Vacuum International Ltd
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 Edwards High Vacuum International Ltd filed Critical Edwards High Vacuum International Ltd
Application granted granted Critical
Publication of FR2069508A5 publication Critical patent/FR2069508A5/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
FR7041040A 1969-11-14 1970-11-16 Expired FR2069508A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5599869 1969-11-14

Publications (1)

Publication Number Publication Date
FR2069508A5 true FR2069508A5 (de) 1971-09-03

Family

ID=10475464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7041040A Expired FR2069508A5 (de) 1969-11-14 1970-11-16

Country Status (5)

Country Link
US (1) US3713754A (de)
DE (1) DE2056155A1 (de)
FR (1) FR2069508A5 (de)
GB (1) GB1333388A (de)
NL (1) NL7016786A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19717263A1 (de) * 1997-04-24 1998-10-29 Leybold Vakuum Gmbh Penning-Vakuummeter
AU2003207957A1 (en) * 2002-01-14 2003-07-24 Varco Ltd. Arc vacuum pump
US11508564B2 (en) * 2014-11-19 2022-11-22 Hamilton Sundstrand Corporation Ion pumps and ion pump elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018944A (en) * 1958-06-16 1962-01-30 Varian Associates Electrical vacuum pump apparatus
US3112863A (en) * 1960-10-06 1963-12-03 Cons Vacuum Corp Ion pump

Also Published As

Publication number Publication date
GB1333388A (en) 1973-10-10
US3713754A (en) 1973-01-30
NL7016786A (de) 1971-05-18
DE2056155A1 (de) 1971-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse