JPS5026771B1 - - Google Patents

Info

Publication number
JPS5026771B1
JPS5026771B1 JP45012505A JP1250570A JPS5026771B1 JP S5026771 B1 JPS5026771 B1 JP S5026771B1 JP 45012505 A JP45012505 A JP 45012505A JP 1250570 A JP1250570 A JP 1250570A JP S5026771 B1 JPS5026771 B1 JP S5026771B1
Authority
JP
Japan
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.)
Pending
Application number
JP45012505A
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 filed Critical
Publication of JPS5026771B1 publication Critical patent/JPS5026771B1/ja
Pending 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
    • 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
    • H01J7/186—Getter supports

Landscapes

  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
JP45012505A 1969-02-13 1970-02-12 Pending JPS5026771B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79902169A 1969-02-13 1969-02-13

Publications (1)

Publication Number Publication Date
JPS5026771B1 true JPS5026771B1 (ja) 1975-09-03

Family

ID=25174850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45012505A Pending JPS5026771B1 (ja) 1969-02-13 1970-02-12

Country Status (4)

Country Link
US (1) US3568410A (ja)
JP (1) JPS5026771B1 (ja)
DE (2) DE7003950U (ja)
FR (1) FR2035449A5 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180166A (en) * 1981-04-30 1982-11-06 Nec Corp Semiconductor device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536196A (en) * 1980-09-10 1985-08-20 Phillips Petroleum Company Coated diffusion membrane and its use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180166A (en) * 1981-04-30 1982-11-06 Nec Corp Semiconductor device

Also Published As

Publication number Publication date
DE2005199A1 (de) 1970-09-03
FR2035449A5 (ja) 1970-12-18
US3568410A (en) 1971-03-09
DE7003950U (de) 1974-05-30

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