FR1213497A - Obtention d'un vide très poussé par emploi d'un - Google Patents

Obtention d'un vide très poussé par emploi d'un

Info

Publication number
FR1213497A
FR1213497A FR1213497DA FR1213497A FR 1213497 A FR1213497 A FR 1213497A FR 1213497D A FR1213497D A FR 1213497DA FR 1213497 A FR1213497 A FR 1213497A
Authority
FR
France
Prior art keywords
obtaining
high vacuum
vacuum
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
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of FR1213497A publication Critical patent/FR1213497A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J7/183—Composition or manufacture of getters

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR1213497D 1957-08-16 1958-08-08 Obtention d'un vide très poussé par emploi d'un Expired FR1213497A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1213497X 1957-08-16

Publications (1)

Publication Number Publication Date
FR1213497A true FR1213497A (fr) 1960-04-01

Family

ID=10883044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1213497D Expired FR1213497A (fr) 1957-08-16 1958-08-08 Obtention d'un vide très poussé par emploi d'un

Country Status (1)

Country Link
FR (1) FR1213497A (fr)

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