FR1139084A - Improvements to electron multipliers - Google Patents

Improvements to electron multipliers

Info

Publication number
FR1139084A
FR1139084A FR1139084DA FR1139084A FR 1139084 A FR1139084 A FR 1139084A FR 1139084D A FR1139084D A FR 1139084DA FR 1139084 A FR1139084 A FR 1139084A
Authority
FR
France
Prior art keywords
electron multipliers
multipliers
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
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.)
Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying 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 Surveying Corp filed Critical Schlumberger Well Surveying Corp
Application granted granted Critical
Publication of FR1139084A publication Critical patent/FR1139084A/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
    • H01J43/18—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
FR1139084D 1955-12-26 1955-12-26 Improvements to electron multipliers Expired FR1139084A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1139084A true FR1139084A (en) 1957-06-25

Family

ID=9600582

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1139084D Expired FR1139084A (en) 1955-12-26 1955-12-26 Improvements to electron multipliers

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105359660A (en) * 2015-12-07 2016-03-02 江苏省水利科学研究院 Saline-alkali soil improvement method and system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256260A (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
AU2019353528A1 (en) * 2018-10-05 2021-05-20 Adaptas Solutions 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105359660A (en) * 2015-12-07 2016-03-02 江苏省水利科学研究院 Saline-alkali soil improvement method and system

Also Published As

Publication number Publication date
BE553405A (en)
US2866914A (en) 1958-12-30
CH347274A (en) 1960-06-30
DE1062355B (en) 1959-07-30
GB846911A (en) 1960-08-31

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