Global Patent Index - EP 1304719 A4

EP 1304719 A4 20070214 - PHOTOMULTIPLIER TUBE, PHOTOMULTIPLIER TUBE UNIT, AND RADIATION DETECTOR

Title (en)

PHOTOMULTIPLIER TUBE, PHOTOMULTIPLIER TUBE UNIT, AND RADIATION DETECTOR

Title (de)

PHOTOVERVIELFACHERRÖHRE, PHOTOVERVIELFACHERRÖHRENEINHEIT UND STRAHLUNGSDETEKTOR

Title (fr)

TUBE PHOTOMULTIPLICATEUR, UNITE DE TUBE PHOTOMULTIPLICATEUR ET DETECTEUR DE RAYONNEMENT

Publication

EP 1304719 A4 20070214 (EN)

Application

EP 00922980 A 20000508

Priority

  • JP 0002927 W 20000508
  • JP 31919898 A 19981110

Abstract (en)

[origin: WO0186690A1] A photomultiplier tube for expanding a fixing area of a bypass at a light receiving plate while increasing an effective utilization area of the light receiving plate, a photomultiplier tube unit, and a performance-improved radiation detector. The photomultiplier tube has a side surface (3c) of a light receiving plate (3) stuck outward beyond an outer wall surface (2b) of a metal bypass (2) to allow the light receiving plate (3) to project sideward beyond the bypass (2), thereby expanding a light capturing area from a light receiving surface (3d) of the light receiving plate (3). This projecting structure of the light receiving plate (3) is implemented based on a glass refractive index and designed to capture as much as possible light that has not be able to be received up to now into a photoelectric surface (3a). In addition, when using a fusion technique to join glass to metal in fixing the metal bypass (2) and the glass light receiving plate (3), the projecting structure of the light receiving plate (3) is very effective for supporting a positiveness at joining the plate (3) to the bypass (2).

IPC 1-7

H01J 43/28

IPC 8 full level

H01J 43/28 (2006.01)

CPC (source: EP)

H01J 43/28 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 0186690 A1 20011115; EP 1304719 A1 20030423; EP 1304719 A4 20070214; JP 2000149861 A 20000530; JP 3944322 B2 20070711

DOCDB simple family (application)

JP 0002927 W 20000508; EP 00922980 A 20000508; JP 31919898 A 19981110