GB976619A - Improvements in or relating to photo-emissive devices - Google Patents

Improvements in or relating to photo-emissive devices

Info

Publication number
GB976619A
GB976619A GB7867/60A GB786760A GB976619A GB 976619 A GB976619 A GB 976619A GB 7867/60 A GB7867/60 A GB 7867/60A GB 786760 A GB786760 A GB 786760A GB 976619 A GB976619 A GB 976619A
Authority
GB
United Kingdom
Prior art keywords
electrode
receiving electrode
electrons
photo
foraminated
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
GB7867/60A
Inventor
Vincent Arthur Stanley
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB7867/60A priority Critical patent/GB976619A/en
Priority to US92674A priority patent/US3119037A/en
Priority to FR854692A priority patent/FR1282973A/en
Publication of GB976619A publication Critical patent/GB976619A/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

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)

Abstract

976,619. Electron multipliers. ELECTRIC & MUSICAL INDUSTRIES Ltd. Feb. 24, 1961 [March 5, 1960], No. 7867/60. Heading H1D. A photo-emissive device has a photo-emissive cathode 3, a receiving electrode for electrons, a surface 17 around the path of electrons from the cathode to the receiving electrode capable of emitting electrons which give rise to dark current, and a foraminated electrode 22 substantially co-extensive with the surface and disposed in the path from the surface to the receiving electrode but not substantially in the path of electrons from the cathode to the receiving electrode so that the flow of dark current from the surface to the receiving electrode is reduced. The foraminated electrode, which may be a wire mesh, may be maintained at the potential of the surface 17, and it may be attached to the surface by stand-off wires. Alternatively, the electrode and surface may be made of differing metals so that a contact potential difference may be established between them, the foraminated electrode being negative with respect to the surface. The receiving electrode may be the first dynode 10 of an electron multiplier.
GB7867/60A 1960-03-05 1960-03-05 Improvements in or relating to photo-emissive devices Expired GB976619A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB7867/60A GB976619A (en) 1960-03-05 1960-03-05 Improvements in or relating to photo-emissive devices
US92674A US3119037A (en) 1960-03-05 1961-03-01 Photo-emissive devices
FR854692A FR1282973A (en) 1960-03-05 1961-03-06 Improvements to photoemissive devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7867/60A GB976619A (en) 1960-03-05 1960-03-05 Improvements in or relating to photo-emissive devices

Publications (1)

Publication Number Publication Date
GB976619A true GB976619A (en) 1964-12-02

Family

ID=9841305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7867/60A Expired GB976619A (en) 1960-03-05 1960-03-05 Improvements in or relating to photo-emissive devices

Country Status (2)

Country Link
US (1) US3119037A (en)
GB (1) GB976619A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470162A (en) * 1973-02-27 1977-04-14 Emi Ltd Electron multiplying arrangements
US4125793A (en) * 1977-02-01 1978-11-14 Dumont Electron Tubes & Devices Corporation Photomultiplier with dynode support structure
NL7703296A (en) * 1977-03-28 1978-10-02 Philips Nv FRAME AMPLIFIER TUBE.
FR2445018A1 (en) * 1978-12-22 1980-07-18 Anvar ELECTRON MULTIPLIER TUBE WITH AXIAL MAGNETIC FIELD
US4577137A (en) * 1984-05-18 1986-03-18 Rca Corporation Electrode structure for an electron multiplier cage assembly
US4570102A (en) * 1984-05-18 1986-02-11 Rca Corporation Photomultiplier tube having an electron multiplier cage assembly with uniform transverse spacing
FR2641900B1 (en) * 1989-01-17 1991-03-15 Radiotechnique Compelec PHOTOMULTIPLIER TUBE HAVING A LARGE FIRST DYNODE AND A MULTIPLIER WITH STACKABLE DYNODES
DE4009334C2 (en) * 1990-03-23 2000-11-23 Perkin Elmer Bodenseewerk Zwei Illumination arrangement for applying a photomultiplier to a two-beam photometer
JP3392240B2 (en) * 1994-11-18 2003-03-31 浜松ホトニクス株式会社 Electron multiplier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB745811A (en) * 1951-03-27 1956-03-07 Emi Ltd Improvements relating to electron multipliers

Also Published As

Publication number Publication date
US3119037A (en) 1964-01-21

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