FR865443A - Enhancements to high vacuum tubes - Google Patents

Enhancements to high vacuum tubes

Info

Publication number
FR865443A
FR865443A FR865443DA FR865443A FR 865443 A FR865443 A FR 865443A FR 865443D A FR865443D A FR 865443DA FR 865443 A FR865443 A FR 865443A
Authority
FR
France
Prior art keywords
enhancements
high vacuum
vacuum tubes
tubes
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR865443A publication Critical patent/FR865443A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
FR865443D 1939-05-06 1940-05-06 Enhancements to high vacuum tubes Expired FR865443A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US865443XA 1939-05-06 1939-05-06

Publications (1)

Publication Number Publication Date
FR865443A true FR865443A (en) 1941-05-23

Family

ID=22199277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865443D Expired FR865443A (en) 1939-05-06 1940-05-06 Enhancements to high vacuum tubes

Country Status (2)

Country Link
BE (1) BE438913A (en)
FR (1) FR865443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564317A (en) * 1967-05-13 1971-02-16 Philips Corp Cathode for an x-ray tube cooled by heat-conductive coaxial cylinders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564317A (en) * 1967-05-13 1971-02-16 Philips Corp Cathode for an x-ray tube cooled by heat-conductive coaxial cylinders

Also Published As

Publication number Publication date
BE438913A (en)

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