FR2231862B1 - - Google Patents

Info

Publication number
FR2231862B1
FR2231862B1 FR7419239A FR7419239A FR2231862B1 FR 2231862 B1 FR2231862 B1 FR 2231862B1 FR 7419239 A FR7419239 A FR 7419239A FR 7419239 A FR7419239 A FR 7419239A FR 2231862 B1 FR2231862 B1 FR 2231862B1
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
FR7419239A
Other versions
FR2231862A1 (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
Application filed by Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2231862A1 publication Critical patent/FR2231862A1/fr
Application granted granted Critical
Publication of FR2231862B1 publication Critical patent/FR2231862B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/02—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by absorption or adsorption
    • F04B37/04—Selection of specific absorption or adsorption materials
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electron Tubes For Measurement (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
FR7419239A 1973-06-04 1974-06-04 Expired FR2231862B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36702573A 1973-06-04 1973-06-04

Publications (2)

Publication Number Publication Date
FR2231862A1 FR2231862A1 (fr) 1974-12-27
FR2231862B1 true FR2231862B1 (fr) 1978-01-20

Family

ID=23445620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419239A Expired FR2231862B1 (fr) 1973-06-04 1974-06-04

Country Status (5)

Country Link
JP (1) JPS5021310A (fr)
DE (1) DE2426387A1 (fr)
FR (1) FR2231862B1 (fr)
GB (1) GB1437289A (fr)
IT (1) IT1014746B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5514129A (en) * 1978-07-13 1980-01-31 Honda Motor Co Ltd Continuous treatment device of brazing and gas soft nitriding
JPS55149197U (fr) * 1979-04-12 1980-10-27
DE3235681C2 (de) * 1981-11-02 1986-04-24 Maja Feodos'evna Bojarina Nichtverdampfbares Gettermaterial
JPS59123152A (ja) * 1982-12-28 1984-07-16 Hajime Ishimaru イオンポンプ
JPS61200652U (fr) * 1985-06-07 1986-12-16
JPS63195431U (fr) * 1987-06-02 1988-12-15
FR2818363B1 (fr) * 2000-12-20 2003-03-07 Sagem Dispositif de liaison a temperature cryogenique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1248184A (en) * 1969-04-03 1971-09-29 Westinghouse Electric Corp Yttrium alloy getter
US3684401A (en) * 1970-11-17 1972-08-15 Westinghouse Electric Corp Cathode-getter materials for sputter-ion pumps

Also Published As

Publication number Publication date
JPS5021310A (fr) 1975-03-06
DE2426387A1 (de) 1974-12-19
GB1437289A (en) 1976-05-26
FR2231862A1 (fr) 1974-12-27
IT1014746B (it) 1977-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse