(19)

(11)

EP 1 844 470 A1

(12)

(43) Date of publication: 17.10.2007 Bulletin 2007/42 (21) Application number: 06704073.3 (22) Date of filing: 31.01.2006

(51) International Patent Classification (IPC):  G11C 11/02(2006.01) G11C 17/02(2006.01) (86) International application number: PCT/CA2006/000113 (87) International publication number: WO 2006/079215 (03.08.2006 Gazette 2006/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 31.01.2005 US 647809 P 27.07.2005 US 189822 21.12.2005 US 752035 P (71) Applicant: University of Toronto Toronto ON M5S 3E4 (CA)	(72) Inventors: AOUBA, Stephane Toronto, Ontario M5S 3E4 (CA) RUDA, Harry Toronto, Ontario M5S 3E4 (CA) (74) Representative: Maschio, Antonio et al D Young & Co 120 Holborn London EC1N 2DY London EC1N 2DY (GB)