(19)

(11)

EP 1 552 291 A2

(12)

(88) Date of publication A3: 08.04.2004 (43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03763539.8 (22) Date of filing: 10.07.2003

(51) International Patent Classification (IPC)7: G01N 33/20, C21C 5/46, B22D 2/00, G06T 5/00 (86) International application number: PCT/CA2003/001053 (87) International publication number: WO 2004/008135 (22.01.2004 Gazette 2004/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 11.07.2002 US 395079 P (71) Applicant: McMaster University Hamilton,Ontario L8S 4L8 (CA)	(72) Inventors: SUBAGYO, S. 42435 Cilegon (IN) BROOKS, Geoffrey, A. Burlington, Ontario L7T 3R8 (CA) (74) Representative: Beissel, Jean et al Office Ernest T. Freylinger S.A.,234, route d'Arlon,B.P. 48 8001 Strassen 8001 Strassen (LU)