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(11)

EP 2 946 423 A1

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(43) Date of publication: 25.11.2015 Bulletin 2015/48 (21) Application number: 14740323.2 (22) Date of filing: 15.01.2014

(51) International Patent Classification (IPC):  H01L 51/54(2006.01) H01L 51/50(2006.01) H01L 51/56(2006.01) (86) International application number: PCT/US2014/011723 (87) International publication number: WO 2014/113497 (24.07.2014 Gazette 2014/30)

(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 RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 17.01.2013 US 201361753713 P 17.01.2013 US 201361753692 P 18.09.2013 US 201314030776 (71) Applicant: Kateeva, Inc. Newark, CA 94560 (US)	(72) Inventor: MADIGAN, Conor F. Menlo Park, California 94025 (US) (74) Representative: Molnia, David  Df-mp Dörries Frank-Molnia & Pohlman Patentanwälte Rechtsanwälte PartG mbB Theatinerstrasse 16 80333 München 80333 München (DE)