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FR1404604A - Very low pressure measurement method - Google Patents

Very low pressure measurement method

Info

Publication number
FR1404604A
FR1404604A FR975379A FR975379A FR1404604A FR 1404604 A FR1404604 A FR 1404604A FR 975379 A FR975379 A FR 975379A FR 975379 A FR975379 A FR 975379A FR 1404604 A FR1404604 A FR 1404604A
Authority
FR
France
Prior art keywords
low pressure
measurement method
pressure measurement
low
pressure
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
FR975379A
Other languages
French (fr)
Inventor
Jacques Roussel
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR975379A priority Critical patent/FR1404604A/en
Application granted granted Critical
Publication of FR1404604A publication Critical patent/FR1404604A/en
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
    • H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
FR975379A 1964-05-22 1964-05-22 Very low pressure measurement method Expired FR1404604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR975379A FR1404604A (en) 1964-05-22 1964-05-22 Very low pressure measurement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR975379A FR1404604A (en) 1964-05-22 1964-05-22 Very low pressure measurement method

Publications (1)

Publication Number Publication Date
FR1404604A true FR1404604A (en) 1965-07-02

Family

ID=8830573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR975379A Expired FR1404604A (en) 1964-05-22 1964-05-22 Very low pressure measurement method

Country Status (1)

Country Link
FR (1) FR1404604A (en)

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