FR1163876A - Improvements relating to electronic pumping systems - Google Patents

Improvements relating to electronic pumping systems

Info

Publication number
FR1163876A
FR1163876A FR1163876DA FR1163876A FR 1163876 A FR1163876 A FR 1163876A FR 1163876D A FR1163876D A FR 1163876DA FR 1163876 A FR1163876 A FR 1163876A
Authority
FR
France
Prior art keywords
improvements relating
pumping systems
electronic pumping
electronic
systems
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
Other languages
French (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.)
ASSOCIATED ELECTRICAL IND COMP
Original Assignee
ASSOCIATED ELECTRICAL IND COMP
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 ASSOCIATED ELECTRICAL IND COMP filed Critical ASSOCIATED ELECTRICAL IND COMP
Application granted granted Critical
Publication of FR1163876A publication Critical patent/FR1163876A/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
    • 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
FR1163876D 1955-09-27 1956-09-26 Improvements relating to electronic pumping systems Expired FR1163876A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB27517/55A GB795551A (en) 1955-09-27 1955-09-27 Improvements relating to electron vacuum pumping systems
GB1163876X 1955-09-27

Publications (1)

Publication Number Publication Date
FR1163876A true FR1163876A (en) 1958-10-02

Family

ID=26258867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1163876D Expired FR1163876A (en) 1955-09-27 1956-09-26 Improvements relating to electronic pumping systems

Country Status (2)

Country Link
FR (1) FR1163876A (en)
GB (1) GB795551A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1083485B (en) * 1958-05-30 1960-06-15 Heraeus Gmbh W C Evaporator ion pump

Also Published As

Publication number Publication date
GB795551A (en) 1958-05-28

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