FR834958A - High vacuum discharge tube manufacturing process - Google Patents

High vacuum discharge tube manufacturing process

Info

Publication number
FR834958A
FR834958A FR834958DA FR834958A FR 834958 A FR834958 A FR 834958A FR 834958D A FR834958D A FR 834958DA FR 834958 A FR834958 A FR 834958A
Authority
FR
France
Prior art keywords
manufacturing process
high vacuum
discharge tube
tube manufacturing
vacuum discharge
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR834958A publication Critical patent/FR834958A/en
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
FR834958D 1937-03-09 1938-03-08 High vacuum discharge tube manufacturing process Expired FR834958A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE834958X 1937-03-09

Publications (1)

Publication Number Publication Date
FR834958A true FR834958A (en) 1938-12-08

Family

ID=6760770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834958D Expired FR834958A (en) 1937-03-09 1938-03-08 High vacuum discharge tube manufacturing process

Country Status (2)

Country Link
BE (1) BE426799A (en)
FR (1) FR834958A (en)

Also Published As

Publication number Publication date
BE426799A (en)

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