GB503211A - Improvements in or relating to secondary electron multipliers - Google Patents

Improvements in or relating to secondary electron multipliers

Info

Publication number
GB503211A
GB503211A GB17886/37A GB1788637A GB503211A GB 503211 A GB503211 A GB 503211A GB 17886/37 A GB17886/37 A GB 17886/37A GB 1788637 A GB1788637 A GB 1788637A GB 503211 A GB503211 A GB 503211A
Authority
GB
United Kingdom
Prior art keywords
electrode
semi
conducting
cathode
withdrawing
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
GB17886/37A
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Publication of GB503211A publication Critical patent/GB503211A/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
    • H01J43/24—Dynodes having potential gradient along their surfaces

Abstract

503,211. Electron multipliers. ZEISS IKON AKT.-GES. June 26, 1937, No. 17886. Void. Convention date, July 4, 1936. [Class 39 (i)] Successive secondary cathodes are mounted on a common carrier and a single withdrawing electrode is provided. As shown, the multiplier comprises a ceramic envelope 1 with a photo-electric window 5, a secondary cathode surface 3 on a semi-conducting base 2, e.g. of carbon or slate, and a semi-conducting withdrawing electrode 4, and potential falls are created along the electrodes 2, 4. Glass, mica, or negatively-biassed semi-conducting shields may be arranged along the edges of the electrode 2. The surface 3 may be subdivided by scratches. In a modification, a cylindrical secondary-cathode may surround an axial withdrawing electrode. The secondary cathode may be roughened or formed with steps and may comprise caesium or rubidium vaporized onto an antimony or bismuth layer, the electrode being then heated to alloy the materials. In another modification, a withdrawing electrode between plane secondary emissive electrodes comprises semi-conducting rods joined by metal wires. A magnetic field acting on the electrons may be provided.
GB17886/37A 1936-07-04 1937-06-26 Improvements in or relating to secondary electron multipliers Expired GB503211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE503211X 1936-07-04

Publications (1)

Publication Number Publication Date
GB503211A true GB503211A (en) 1939-04-03

Family

ID=6546022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17886/37A Expired GB503211A (en) 1936-07-04 1937-06-26 Improvements in or relating to secondary electron multipliers

Country Status (1)

Country Link
GB (1) GB503211A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218257A (en) * 1988-05-03 1989-11-08 Jupiter Toy Co Generating and utilising electric discharge entities
GB2231198A (en) * 1989-03-31 1990-11-07 Litton Systems Inc Enhanced secondary electron emitter.
US5018180A (en) * 1988-05-03 1991-05-21 Jupiter Toy Company Energy conversion using high charge density
US5054047A (en) * 1988-01-06 1991-10-01 Jupiter Toy Company Circuits responsive to and controlling charged particles
US5054046A (en) * 1988-01-06 1991-10-01 Jupiter Toy Company Method of and apparatus for production and manipulation of high density charge
US5123039A (en) * 1988-01-06 1992-06-16 Jupiter Toy Company Energy conversion using high charge density
US5153901A (en) * 1988-01-06 1992-10-06 Jupiter Toy Company Production and manipulation of charged particles
EP1422740A2 (en) * 2002-11-21 2004-05-26 Infineon Technologies AG Device for generating secondary electrons, secondary electrode and accelerating electrode
WO2005078760A1 (en) * 2004-02-17 2005-08-25 Hamamatsu Photonics K. K. Photomultiplier and its manufacturing method
US8115386B2 (en) 2009-02-25 2012-02-14 Hamamatsu Photonics K.K. Photomultiplier tube

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054047A (en) * 1988-01-06 1991-10-01 Jupiter Toy Company Circuits responsive to and controlling charged particles
US5054046A (en) * 1988-01-06 1991-10-01 Jupiter Toy Company Method of and apparatus for production and manipulation of high density charge
US5123039A (en) * 1988-01-06 1992-06-16 Jupiter Toy Company Energy conversion using high charge density
US5153901A (en) * 1988-01-06 1992-10-06 Jupiter Toy Company Production and manipulation of charged particles
GB2218257A (en) * 1988-05-03 1989-11-08 Jupiter Toy Co Generating and utilising electric discharge entities
US5018180A (en) * 1988-05-03 1991-05-21 Jupiter Toy Company Energy conversion using high charge density
GB2218257B (en) * 1988-05-03 1992-12-23 Jupiter Toy Co Apparatus for producing and manipulating charged particles.
GB2231198A (en) * 1989-03-31 1990-11-07 Litton Systems Inc Enhanced secondary electron emitter.
US4975656A (en) * 1989-03-31 1990-12-04 Litton Systems, Inc. Enhanced secondary electron emitter
GB2231198B (en) * 1989-03-31 1994-04-27 Litton Systems Inc Secondary electron emission cathode
EP1422740A2 (en) * 2002-11-21 2004-05-26 Infineon Technologies AG Device for generating secondary electrons, secondary electrode and accelerating electrode
EP1422740A3 (en) * 2002-11-21 2007-05-23 Infineon Technologies AG Device for generating secondary electrons, secondary electrode and accelerating electrode
US7417240B2 (en) 2002-11-21 2008-08-26 Infineon Technologies Ag Apparatus for producing secondary electrons, a secondary electrode, and an acceleration electrode
US7772572B2 (en) 2002-11-21 2010-08-10 Infineon Technologies Ag Apparatus for producing secondary electrons, a secondary electrode, and an acceleration electrode
WO2005078760A1 (en) * 2004-02-17 2005-08-25 Hamamatsu Photonics K. K. Photomultiplier and its manufacturing method
JPWO2005078760A1 (en) * 2004-02-17 2007-10-18 浜松ホトニクス株式会社 Photomultiplier tube and manufacturing method thereof
US7977878B2 (en) 2004-02-17 2011-07-12 Hamamatsu Photonics K.K. Photomultiplier and its manufacturing method
US8242694B2 (en) 2004-02-17 2012-08-14 Hamamatsu Photonics K.K. Photomultiplier and its manufacturing method
JP5000137B2 (en) * 2004-02-17 2012-08-15 浜松ホトニクス株式会社 Photomultiplier tube and manufacturing method thereof
US8643258B2 (en) 2004-02-17 2014-02-04 Hamamatsu Photonics K.K. Photomultiplier and its manufacturing method
US9147559B2 (en) 2004-02-17 2015-09-29 Hamamatsu Photonics K.K. Photomultiplier and its manufacturing method
US9460899B2 (en) 2004-02-17 2016-10-04 Hamamatsu Photonics K.K. Photomultiplier and its manufacturing method
US8115386B2 (en) 2009-02-25 2012-02-14 Hamamatsu Photonics K.K. Photomultiplier tube

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