FR1087364A - Improvements to vacuum tubes - Google Patents

Improvements to vacuum tubes

Info

Publication number
FR1087364A
FR1087364A FR1087364DA FR1087364A FR 1087364 A FR1087364 A FR 1087364A FR 1087364D A FR1087364D A FR 1087364DA FR 1087364 A FR1087364 A FR 1087364A
Authority
FR
France
Prior art keywords
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)
Inventor
Pierre Tarbes
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.)
Radio Industrie SA
Original Assignee
Radio Industrie 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 Radio Industrie SA filed Critical Radio Industrie SA
Application granted granted Critical
Publication of FR1087364A publication Critical patent/FR1087364A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
FR1087364D 1953-07-24 1953-07-24 Improvements to vacuum tubes Expired FR1087364A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1087364T 1953-07-24

Publications (1)

Publication Number Publication Date
FR1087364A true FR1087364A (en) 1955-02-23

Family

ID=9613244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1087364D Expired FR1087364A (en) 1953-07-24 1953-07-24 Improvements to vacuum tubes

Country Status (1)

Country Link
FR (1) FR1087364A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363183A1 (en) * 1976-08-30 1978-03-24 Kernenergieverwert Ges Fuer DEVICE SERVING TO PREVENT MODIFICATIONS OF THE PRIMARY RADIATION BY UNWANTED PARTICLES, IN PARTICULAR IN ELECTRON OR ION BEAM DEVICES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363183A1 (en) * 1976-08-30 1978-03-24 Kernenergieverwert Ges Fuer DEVICE SERVING TO PREVENT MODIFICATIONS OF THE PRIMARY RADIATION BY UNWANTED PARTICLES, IN PARTICULAR IN ELECTRON OR ION BEAM DEVICES

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