(19)
(11) EP 0 597 943 A1

(12)

(43) Date of publication:
25.05.1994 Bulletin 1994/21

(21) Application number: 92916511.0

(22) Date of filing: 30.07.1992
(51) International Patent Classification (IPC): 
G01T 1/ 20( . )
H01L 31/ 0232( . )
(86) International application number:
PCT/US1992/006308
(87) International publication number:
WO 1993/003496 (18.02.1993 Gazette 1993/05)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE

(30) Priority: 31.07.1991 US 19910738529
29.07.1992 US 19920921505

(71) Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Oakland, California 94612-3550 (US)

(72) Inventor:
  • PEREZ-MENDEZ, Victor
    Berkeley, CA 94707 (US)

(74) Representative: Baverstock, Michael George Douglas, et al 
BOULT, WADE & TENNANT 27 Furnival Street
London, EC4A 1PQ
London, EC4A 1PQ (GB)

   


(54) IMPROVEMENTS IN PARTICLE DETECTOR SPATIAL RESOLUTION