BE427645A - - Google Patents

Info

Publication number
BE427645A
BE427645A BE427645DA BE427645A BE 427645 A BE427645 A BE 427645A BE 427645D A BE427645D A BE 427645DA BE 427645 A BE427645 A BE 427645A
Authority
BE
Belgium
Application number
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.)
Publication of BE427645A publication Critical patent/BE427645A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04Electron multipliers
    • H01J43/06Electrode arrangements
    • H01J43/18Electrode arrangements using essentially more than one dynode
    • H01J43/22Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
BE427645D 1937-04-23 BE427645A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE513879X 1937-04-23

Publications (1)

Publication Number Publication Date
BE427645A true BE427645A (en:Method)

Family

ID=6548536

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427645D BE427645A (en:Method) 1937-04-23

Country Status (4)

Country Link
US (1) US2238634A (en:Method)
BE (1) BE427645A (en:Method)
FR (1) FR836986A (en:Method)
GB (1) GB513879A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728014A (en) * 1951-04-26 1955-12-20 Rca Corp Electron lens for multiplier phototubes with very low spherical aberration

Also Published As

Publication number Publication date
FR836986A (fr) 1939-01-31
US2238634A (en) 1941-04-15
GB513879A (en) 1939-10-24

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