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FR933439A - Tube à rayons électroniques à cathode froide, sans usure - Google Patents

Tube à rayons électroniques à cathode froide, sans usure

Info

Publication number
FR933439A
FR933439A FR933439DA FR933439A FR 933439 A FR933439 A FR 933439A FR 933439D A FR933439D A FR 933439DA FR 933439 A FR933439 A FR 933439A
Authority
FR
France
Prior art keywords
wear
ray tube
cold cathode
electron ray
cathode electron
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.)
Tru B Tauber & Cie
Original Assignee
Tru B Tauber & Cie
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 Tru B Tauber & Cie filed Critical Tru B Tauber & Cie
Application granted granted Critical
Publication of FR933439A publication Critical patent/FR933439A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
FR933439D 1943-11-08 1946-09-13 Tube à rayons électroniques à cathode froide, sans usure Expired FR933439A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH603088X 1943-11-08

Publications (1)

Publication Number Publication Date
FR933439A true FR933439A (fr) 1948-04-20

Family

ID=4522865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933439D Expired FR933439A (fr) 1943-11-08 1946-09-13 Tube à rayons électroniques à cathode froide, sans usure

Country Status (4)

Country Link
CH (1) CH240060A (fr)
FR (1) FR933439A (fr)
GB (1) GB603088A (fr)
NL (1) NL67662C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH348753A (de) * 1957-01-31 1960-09-15 Trueb Taeuber & Co Ag Strahlerzeugungssystem mit kalter Kathode für Elektronenstrahlapparate
DE3485897T2 (de) * 1983-12-20 1993-01-07 Eev Ltd Elektronenstrahlerzeuger.
GB2153140B (en) * 1983-12-20 1988-08-03 English Electric Valve Co Ltd Apparatus for forming electron beams
CN116190178B (zh) * 2023-04-20 2023-06-23 能量奇点能源科技(上海)有限公司 一种冷阴极电子枪

Also Published As

Publication number Publication date
NL67662C (fr)
GB603088A (en) 1948-06-09
CH240060A (de) 1945-11-30

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