FR1282973A - Improvements to photoemissive devices - Google Patents

Improvements to photoemissive devices

Info

Publication number
FR1282973A
FR1282973A FR854692A FR854692A FR1282973A FR 1282973 A FR1282973 A FR 1282973A FR 854692 A FR854692 A FR 854692A FR 854692 A FR854692 A FR 854692A FR 1282973 A FR1282973 A FR 1282973A
Authority
FR
France
Prior art keywords
photoemissive devices
photoemissive
devices
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
FR854692A
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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
Priority claimed from GB7867/60A external-priority patent/GB976619A/en
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to FR854692A priority Critical patent/FR1282973A/en
Application granted granted Critical
Publication of FR1282973A publication Critical patent/FR1282973A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
FR854692A 1960-03-05 1961-03-06 Improvements to photoemissive devices Expired FR1282973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR854692A FR1282973A (en) 1960-03-05 1961-03-06 Improvements to photoemissive devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7867/60A GB976619A (en) 1960-03-05 1960-03-05 Improvements in or relating to photo-emissive devices
FR854692A FR1282973A (en) 1960-03-05 1961-03-06 Improvements to photoemissive devices

Publications (1)

Publication Number Publication Date
FR1282973A true FR1282973A (en) 1962-01-27

Family

ID=26189559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854692A Expired FR1282973A (en) 1960-03-05 1961-03-06 Improvements to photoemissive devices

Country Status (1)

Country Link
FR (1) FR1282973A (en)

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