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FR1475977A - Vacuum gauge - Google Patents

Vacuum gauge

Info

Publication number
FR1475977A
FR1475977A FR52003A FR52003A FR1475977A FR 1475977 A FR1475977 A FR 1475977A FR 52003 A FR52003 A FR 52003A FR 52003 A FR52003 A FR 52003A FR 1475977 A FR1475977 A FR 1475977A
Authority
FR
France
Prior art keywords
vacuum gauge
gauge
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
FR52003A
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.)
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
Priority claimed from US437456A external-priority patent/US3387175A/en
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Priority to FR52003A priority Critical patent/FR1475977A/en
Application granted granted Critical
Publication of FR1475977A publication Critical patent/FR1475977A/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR52003A 1965-03-05 1966-03-04 Vacuum gauge Expired FR1475977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR52003A FR1475977A (en) 1965-03-05 1966-03-04 Vacuum gauge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US437456A US3387175A (en) 1965-03-05 1965-03-05 Vacuum gauge having separate electron collecting and electron accelerating electrodes
FR52003A FR1475977A (en) 1965-03-05 1966-03-04 Vacuum gauge

Publications (1)

Publication Number Publication Date
FR1475977A true FR1475977A (en) 1967-04-07

Family

ID=26168983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52003A Expired FR1475977A (en) 1965-03-05 1966-03-04 Vacuum gauge

Country Status (1)

Country Link
FR (1) FR1475977A (en)

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