NL282934A - - Google Patents

Info

Publication number
NL282934A
NL282934A NL282934DA NL282934A NL 282934 A NL282934 A NL 282934A NL 282934D A NL282934D A NL 282934DA NL 282934 A NL282934 A NL 282934A
Authority
NL
Netherlands
Application number
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.)
Publication of NL282934A publication Critical patent/NL282934A/xx

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
NL282934D 1961-09-07 NL282934A (enrdf_load_stackoverflow)

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
NL282934A true NL282934A (enrdf_load_stackoverflow)

Family

ID=8762400

Family Applications (1)

Application Number Title Priority Date Filing Date
NL282934D NL282934A (enrdf_load_stackoverflow) 1961-09-07

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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249291A (en) * 1964-04-01 1966-05-03 Varian Associates Vacuum pump method and apparatus
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

Also Published As

Publication number Publication date
GB951866A (en) 1964-03-11
FR1306718A (fr) 1962-10-19
US3207423A (en) 1965-09-21

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