FR2066651A5 - - Google Patents

Info

Publication number
FR2066651A5
FR2066651A5 FR7038866A FR7038866A FR2066651A5 FR 2066651 A5 FR2066651 A5 FR 2066651A5 FR 7038866 A FR7038866 A FR 7038866A FR 7038866 A FR7038866 A FR 7038866A FR 2066651 A5 FR2066651 A5 FR 2066651A5
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
FR7038866A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2066651A5 publication Critical patent/FR2066651A5/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
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
    • 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
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
FR7038866A 1969-10-29 1970-10-28 Expired FR2066651A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5300769 1969-10-29

Publications (1)

Publication Number Publication Date
FR2066651A5 true FR2066651A5 (en) 1971-08-06

Family

ID=10466254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7038866A Expired FR2066651A5 (en) 1969-10-29 1970-10-28

Country Status (6)

Country Link
US (1) US3742343A (en)
JP (1) JPS497511B1 (en)
CA (1) CA933238A (en)
DE (1) DE2052094A1 (en)
FR (1) FR2066651A5 (en)
GB (1) GB1336126A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1437174A (en) * 1972-05-26 1976-05-26 Mullard Ltd Ion gauges
US4307323A (en) * 1980-04-04 1981-12-22 Granville-Phillips Company Vacuum gauge
US4636680A (en) * 1983-05-24 1987-01-13 Granville-Phillips Company Vacuum gauge
US5422573A (en) * 1990-04-11 1995-06-06 Granville-Phillips Company Ionization gauge and method of using and calibrating same
US5296817A (en) * 1990-04-11 1994-03-22 Granville-Phillips Company Ionization gauge and method of using and calibrating same
US5250906A (en) * 1991-10-17 1993-10-05 Granville-Phillips Company Ionization gauge and method of using and calibrating same
DE4338535C2 (en) * 1993-11-11 2003-06-18 Unaxis Deutschland Holding Extractor ion gauge
DE29614489U1 (en) * 1996-08-21 1996-10-10 Leybold Vakuum Gmbh Measuring system for a vacuum meter
CH707685A1 (en) * 2013-03-06 2014-09-15 Inficon Gmbh Ionization vacuum measuring cell with shielding.

Also Published As

Publication number Publication date
DE2052094A1 (en) 1971-05-06
US3742343A (en) 1973-06-26
CA933238A (en) 1973-09-04
JPS497511B1 (en) 1974-02-20
GB1336126A (en) 1973-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse