(19)

(11)

EP 1 969 595 A2

(12)

(88) Date of publication A3: 26.07.2007 (43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 06845172.3 (22) Date of filing: 08.12.2006

(51) International Patent Classification (IPC):  G11B 7/254(2006.01) (86) International application number: PCT/US2006/047159 (87) International publication number: WO 2007/067800 (14.06.2007 Gazette 2007/24)

(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: 09.12.2005 US 749298 P 24.01.2006 US 338365 24.01.2006 US 338544 (71) Applicant: GENERAL ELECTRIC COMPANY Schenectady NY 12345 (US)	(72) Inventors: SINHA, Moitreyee Clifton Park, NY 12065 (US) DRIS, Irene Clifton Park, NY 12065 (US) OLSON, Daniel, Robert Voorheesville, NY 12186 (US) (74) Representative: Bublak, Wolfgang et al European Patent Attorney Bardehle, Pagenberg, Dost, Altenburg, Geissler Postfach 86 06 20 81633 München 81633 München (DE)