CH361147A - Vorrichtung zum Messen niedriger Gasdrücke, die auf der thermomolekularen Druckwirkung beruht - Google Patents

Vorrichtung zum Messen niedriger Gasdrücke, die auf der thermomolekularen Druckwirkung beruht

Info

Publication number
CH361147A
CH361147A CH361147DA CH361147A CH 361147 A CH361147 A CH 361147A CH 361147D A CH361147D A CH 361147DA CH 361147 A CH361147 A CH 361147A
Authority
CH
Switzerland
Prior art keywords
thermomolecular
pressure effect
low gas
gas pressures
measuring low
Prior art date
Application number
Other languages
English (en)
Inventor
Wright Robinson Norman
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH361147A publication Critical patent/CH361147A/de

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
    • 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)
  • Measuring Fluid Pressure (AREA)
CH361147D 1956-11-28 1957-11-25 Vorrichtung zum Messen niedriger Gasdrücke, die auf der thermomolekularen Druckwirkung beruht CH361147A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB361147X 1956-11-28
GB110957X 1957-09-11

Publications (1)

Publication Number Publication Date
CH361147A true CH361147A (de) 1962-03-31

Family

ID=26248058

Family Applications (1)

Application Number Title Priority Date Filing Date
CH361147D CH361147A (de) 1956-11-28 1957-11-25 Vorrichtung zum Messen niedriger Gasdrücke, die auf der thermomolekularen Druckwirkung beruht

Country Status (2)

Country Link
US (1) US2986037A (de)
CH (1) CH361147A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4939926A (en) * 1989-06-05 1990-07-10 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for monitoring pressure leaks from a sealed system
US5157333A (en) * 1991-03-12 1992-10-20 Mks Instruments, Inc. Discharge initiating means for cold cathode discharge ionization gauge
US5198772A (en) * 1991-03-12 1993-03-30 Mks Instruments, Inc. Removable discharge initiating means for cold cathode discharge ionization gauge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602332A (en) * 1945-07-14 1952-07-08 Bausch & Lomb Damping and arresting-means for suspension systems
GB630885A (en) * 1946-12-05 1949-10-24 Edwards And Company London Ltd Improvements in or relating to measuring devices dependent upon radiometer action
US2497129A (en) * 1947-05-02 1950-02-14 Perkin Elmer Corp Radiation detecting apparatus
GB664788A (en) * 1949-05-16 1952-01-09 Vickers Electrical Co Ltd Improvements relating to apparatus for the measurement of low gas pressures
US2655044A (en) * 1949-08-08 1953-10-13 California Inst Res Found High vacuum gauge
US2825817A (en) * 1954-10-28 1958-03-04 Medtronics X-ray apparatus
US2780099A (en) * 1955-10-31 1957-02-05 George A Kuipers Vacuum gauge

Also Published As

Publication number Publication date
US2986037A (en) 1961-05-30

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