CH347274A - Secondary emission photoelectric tube - Google Patents

Secondary emission photoelectric tube

Info

Publication number
CH347274A
CH347274A CH347274DA CH347274A CH 347274 A CH347274 A CH 347274A CH 347274D A CH347274D A CH 347274DA CH 347274 A CH347274 A CH 347274A
Authority
CH
Switzerland
Prior art keywords
photoelectric tube
secondary emission
emission photoelectric
tube
photoelectric
Prior art date
Application number
Other languages
French (fr)
Inventor
Lallemand Andre
Original Assignee
Schlumberger Well Surv Corp
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 Schlumberger Well Surv Corp filed Critical Schlumberger Well Surv Corp
Publication of CH347274A publication Critical patent/CH347274A/en

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
    • H01J43/18—Electrode arrangements using essentially more than one dynode
    • H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/28—Vessels, e.g. wall of the tube; Windows; Screens; Suppressing undesired discharges or currents
CH347274D 1955-12-26 1956-11-28 Secondary emission photoelectric tube CH347274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1062355X 1955-12-26

Publications (1)

Publication Number Publication Date
CH347274A true CH347274A (en) 1960-06-30

Family

ID=9600582

Family Applications (1)

Application Number Title Priority Date Filing Date
CH347274D CH347274A (en) 1955-12-26 1956-11-28 Secondary emission photoelectric tube

Country Status (6)

Country Link
US (1) US2866914A (en)
BE (1) BE553405A (en)
CH (1) CH347274A (en)
DE (1) DE1062355B (en)
FR (1) FR1139084A (en)
GB (1) GB846911A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262542A (en) * 1959-09-30
FR92671E (en) * 1967-01-13 1968-12-13 Hyperelec Large area cathode photomultiplier
GB1399451A (en) * 1971-06-08 1975-07-02 Ball G W Particle multipliers
GB1571551A (en) * 1976-02-04 1980-07-16 Rca Corp Electron discharge tube having an electron emissive electrode
US4415832A (en) * 1981-11-20 1983-11-15 Rca Corporation Electron multiplier having an improved planar utlimate dynode and planar anode structure for a photomultiplier tube
JP4249548B2 (en) * 2003-06-17 2009-04-02 浜松ホトニクス株式会社 Electron multiplier
US7397184B2 (en) * 2005-03-31 2008-07-08 Hamamatsu Photonics K.K. Photomultiplier
US7317283B2 (en) * 2005-03-31 2008-01-08 Hamamatsu Photonics K.K. Photomultiplier
CN105359660B (en) * 2015-12-07 2017-05-31 江苏省水利科学研究院 A kind of method and system for improveing saline-alkali soil
WO2020069557A1 (en) * 2018-10-05 2020-04-09 ETP Ion Detect Pty Ltd Improvements to electron multiplier internal regions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135615A (en) * 1936-02-11 1938-11-08 Farnsworth Television Inc Multipactor
FR824385A (en) * 1936-10-24 1938-02-07 Materiel Telephonique Electronic discharge devices using one or more electronically or photoelectrically controlled emissions
US2196278A (en) * 1937-08-31 1940-04-09 Bell Telephone Labor Inc Electron discharge apparatus
GB624702A (en) * 1942-04-11 1949-06-15 Philips Nv Improvements in or relating to electric discharge tubes

Also Published As

Publication number Publication date
US2866914A (en) 1958-12-30
DE1062355B (en) 1959-07-30
FR1139084A (en) 1957-06-25
BE553405A (en)
GB846911A (en) 1960-08-31

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