GB951866A - Vacuum pumps - Google Patents

Vacuum pumps

Info

Publication number
GB951866A
GB951866A GB28908/62A GB2890862A GB951866A GB 951866 A GB951866 A GB 951866A GB 28908/62 A GB28908/62 A GB 28908/62A GB 2890862 A GB2890862 A GB 2890862A GB 951866 A GB951866 A GB 951866A
Authority
GB
United Kingdom
Prior art keywords
metal
sphere
wall
vessel
filament
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
GB28908/62A
Other languages
English (en)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Publication of GB951866A publication Critical patent/GB951866A/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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering

Landscapes

  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Electron Tubes For Measurement (AREA)
GB28908/62A 1961-09-07 1962-07-27 Vacuum pumps Expired GB951866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR872546A FR1306718A (fr) 1961-09-07 1961-09-07 Perfectionnements aux pompes à vide à évaporation thermique de titane

Publications (1)

Publication Number Publication Date
GB951866A true GB951866A (en) 1964-03-11

Family

ID=8762400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28908/62A Expired GB951866A (en) 1961-09-07 1962-07-27 Vacuum pumps

Country Status (4)

Country Link
US (1) US3207423A (enrdf_load_stackoverflow)
FR (1) FR1306718A (enrdf_load_stackoverflow)
GB (1) GB951866A (enrdf_load_stackoverflow)
NL (1) NL282934A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286259B (de) * 1964-04-01 1969-01-02 Varian Associates Verfahren zur Temperaturstabilisierung des Gettermaterials in einer Getterpumpe und zur Durchfuehrung des Verfahrens ausgebildete Pumpe

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495769A (en) * 1968-03-12 1970-02-17 Robert L Hirsch Space charge controlled vacuum pump
US3924967A (en) * 1974-03-22 1975-12-09 Varian Associates Sublimation vacuum pump having a removable gas permeable condenser
DE19959210C2 (de) * 1999-12-08 2003-07-10 Max Planck Gesellschaft Ionengetterpumpe und Verfahren zu deren Aktivierung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920002A (en) * 1952-06-25 1960-01-05 Auwarter Max Process for the manufacture of thin films
GB879256A (en) * 1956-10-12 1961-10-11 Edwards High Vacuum Ltd Improvements in or relating to vaporisation of metals
NL97082C (enrdf_load_stackoverflow) * 1958-06-03

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286259B (de) * 1964-04-01 1969-01-02 Varian Associates Verfahren zur Temperaturstabilisierung des Gettermaterials in einer Getterpumpe und zur Durchfuehrung des Verfahrens ausgebildete Pumpe

Also Published As

Publication number Publication date
NL282934A (enrdf_load_stackoverflow)
FR1306718A (fr) 1962-10-19
US3207423A (en) 1965-09-21

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