FR707465A - Fabrication des cathodes photo-électriques - Google Patents

Fabrication des cathodes photo-électriques

Info

Publication number
FR707465A
FR707465A FR707465DA FR707465A FR 707465 A FR707465 A FR 707465A FR 707465D A FR707465D A FR 707465DA FR 707465 A FR707465 A FR 707465A
Authority
FR
France
Prior art keywords
manufacture
photoelectric cathodes
cathodes
photoelectric
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Application granted granted Critical
Publication of FR707465A publication Critical patent/FR707465A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
FR707465D 1930-01-06 1930-12-12 Fabrication des cathodes photo-électriques Expired FR707465A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB707465X 1930-01-06

Publications (1)

Publication Number Publication Date
FR707465A true FR707465A (fr) 1931-07-08

Family

ID=10494135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707465D Expired FR707465A (fr) 1930-01-06 1930-12-12 Fabrication des cathodes photo-électriques

Country Status (1)

Country Link
FR (1) FR707465A (fr)

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