GB500356A - Improvements in or relating to electron multipliers - Google Patents

Improvements in or relating to electron multipliers

Info

Publication number
GB500356A
GB500356A GB2178837A GB2178837A GB500356A GB 500356 A GB500356 A GB 500356A GB 2178837 A GB2178837 A GB 2178837A GB 2178837 A GB2178837 A GB 2178837A GB 500356 A GB500356 A GB 500356A
Authority
GB
United Kingdom
Prior art keywords
electron
electrodes
tube
grid
relating
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
GB2178837A
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.)
Individual
Original Assignee
Individual
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 to BE432084D priority Critical patent/BE432084A/xx
Application filed by Individual filed Critical Individual
Priority to GB2178837A priority patent/GB500356A/en
Priority to FR841422D priority patent/FR841422A/en
Publication of GB500356A publication Critical patent/GB500356A/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

Abstract

500,356. Electron multipliers; electron gun. BOSCH, F. J. G. VAN DEN. Aug. 7, 1937, Nos. 21788/37 and 20776/38. [Class 39 (i)] In an electron multiplier the thermionic cathode is enclosed in a tube 12, Fig. 1, open at the end facing the first secondary - emitting electrode 16, the electron flow being controlled by one or more grids 15 of wire, mesh or like form. In a modification the grid 39, Fig. 4, surrounds the cathode and a concentrating electrode 40 is placed in front of the enclosing tube 38. A number of secondary-emitting electrodes 16-20 are used, preferably with mica separators 24 as described in Specification 500,189. A signal potential may be applied to either of the grid electrodes or to the enclosing tube and the remaining electrodes have steady biasses to control the electron density.
GB2178837A 1937-08-07 1937-08-07 Improvements in or relating to electron multipliers Expired GB500356A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE432084D BE432084A (en) 1937-08-07
GB2178837A GB500356A (en) 1937-08-07 1937-08-07 Improvements in or relating to electron multipliers
FR841422D FR841422A (en) 1937-08-07 1938-07-29 Improvements to electron multipliers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2178837A GB500356A (en) 1937-08-07 1937-08-07 Improvements in or relating to electron multipliers

Publications (1)

Publication Number Publication Date
GB500356A true GB500356A (en) 1939-02-07

Family

ID=10168814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2178837A Expired GB500356A (en) 1937-08-07 1937-08-07 Improvements in or relating to electron multipliers

Country Status (3)

Country Link
BE (1) BE432084A (en)
FR (1) FR841422A (en)
GB (1) GB500356A (en)

Also Published As

Publication number Publication date
FR841422A (en) 1939-05-19
BE432084A (en)

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