(19)
(11) EP 0 304 477 A1

(12)

(43) Date of publication:
01.03.1989 Bulletin 1989/09

(21) Application number: 88903040.0

(22) Date of filing: 07.03.1988
(51) International Patent Classification (IPC): 
G01N 21/ 88( . )
G01N 21/ 952( . )
(86) International application number:
PCT/US1988/000660
(87) International publication number:
WO 1988/007190 (22.09.1988 Gazette 1988/21)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 09.03.1987 US 19870023324

(71) Applicant: BATTELLE MEMORIAL INSTITUTE
Columbus Ohio 43201-2693 (US)

(72) Inventors:
  • BRENDEN, Byron, B.
    Richland, WA 99352 (US)
  • PETERS, Timothy, J.
    Richland, WA 99352 (US)

(74) Representative: Dousse, Blasco, et al 
7, route de Drize
CH-1227 Carouge/Genève
CH-1227 Carouge/Genève (CH)

   


(54) OPTICAL INSPECTION SYSTEM FOR CYLINDRICAL OBJECTS