(19)

(11)

EP 2 370 981 A1

(12)

(43) Date of publication: 05.10.2011 Bulletin 2011/40 (21) Application number: 09799200.2 (22) Date of filing: 01.12.2009

(51) International Patent Classification (IPC):  H01F 27/28(2006.01) (86) International application number: PCT/US2009/006346 (87) International publication number: WO 2010/065113 (10.06.2010 Gazette 2010/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 31.12.2008 US 204178 P 03.12.2008 US 200809 P (71) Applicant: Planarmag, Inc. West Sacramento, CA 95691 (US)

(72) Inventors: HARRISON, William, Lee El Dorado Hills CA 95762 (US) PHAM, Anh-vu West Sacramento CA 95691 (US) QUILICI, James, E. El Dorado Hills CA 95762 (US) DALMIA, Sidharth West Sacramento CA 95691 (US) KUBES, Steven, R. El Dorado Hills CA 95762 (US) (74) Representative: Johnstone, Douglas Ian et al Baron Warren Redfern Cambridge House 100 Cambridge Grove Hammersmith London W6 0LE Hammersmith London W6 0LE (GB)