(19)

(11)

EP 2 474 044 A2

(12)

(88) Date of publication A3: 14.07.2011 (43) Date of publication: 11.07.2012 Bulletin 2012/28 (21) Application number: 10814527.7 (22) Date of filing: 02.09.2010

(51) International Patent Classification (IPC):  H01L 31/042(2006.01) H01L 31/18(2006.01) (86) International application number: PCT/US2010/047748 (87) International publication number: WO 2011/028957 (10.03.2011 Gazette 2011/10)

(84) Designated Contracting States: AL 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: 09.09.2009 US 241015 P 02.09.2009 US 239416 P (71) Applicants: Bollman, Brent San Jose, CA 95138 (US) Stanley, Nathaniel San Jose, CA 95138 (US) Rail, Matthew Diego San Jose, CA 95138 (US)	(72) Inventors: Bollman, Brent San Jose, CA 95138 (US) Stanley, Nathaniel San Jose, CA 95138 (US) Rail, Matthew Diego San Jose, CA 95138 (US) (74) Representative: Boyce, Conor  FRKelly 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)