Global Patent Index - EP 0908917 A3

EP 0908917 A3 2000-03-22 - Secondary emission coating for photomultiplier tubes

Title (en)

Secondary emission coating for photomultiplier tubes

Title (de)

Sekundäremissionsbechichtung für Vervielfacherröhren

Title (fr)

Revêtement à émission secondaire pour tube photomultiplicateur

Publication

EP 0908917 A3 (EN)

Application

EP 98308254 A

Priority

US 94749797 A

Abstract (en)

[origin: EP0908917A2] A p-doped diamond film deposited upon a substrate is used to make exceptionally stable high current secondary electron emitters for photomultiplier tube dynodes. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01J 1/32; H01J 43/10

IPC 8 full level (invention and additional information)

H01J 1/32 (2006.01); H01J 43/10 (2006.01)

CPC (invention and additional information)

H01J 43/10 (2013.01); H01J 1/32 (2013.01)

Citation (search report)

  • [DA] US 5619091 A 19970408 - ANDERSON DAVID F [US], et al
  • [A] EP 0413482 A2 19910220 - GALILEO ELECTRO OPTICS CORP [US]
  • [X] SHIH A ET AL: "SECONDARY ELECTRON EMISSION FROM DIAMOND SURFACES", JOURNAL OF APPLIED PHYSICS,US,AMERICAN INSTITUTE OF PHYSICS. NEW YORK, vol. 82, no. 4, 15 August 1997 (1997-08-15), pages 1860 - 1867, XP000749012, ISSN: 0021-8979
  • [X] KAMIYA T ET AL: "SECONDARY ELECTRON EMISSION FROM BORON-DOPED DIAMOND UNDER ION IMPACT: APPLICATIONS IN SINGLE-ION DETECTION", APPLIED PHYSICS LETTERS,US,AMERICAN INSTITUTE OF PHYSICS. NEW YORK, vol. 71, no. 13, 29 September 1997 (1997-09-29), pages 1875 - 1877, XP000725819, ISSN: 0003-6951

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0908917 A2 19990414; EP 0908917 A3 20000322; EP 0908917 B1 20050420; DE 69829816 D1 20050525; DE 69829816 T2 20060126

INPADOC legal status


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