(19)

(11)

EP 2 973 689 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 14774761.2 (22) Date of filing: 19.02.2014

(51) International Patent Classification (IPC):  H01L 23/473(2006.01) (86) International application number: PCT/US2014/017184 (87) International publication number: WO 2014/158481 (02.10.2014 Gazette 2014/40)

(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: 14.03.2013 US 201361786300 P (71) Applicant: Tactus Technology, Inc. Fremont, CA 94555 (US)	(72) Inventors: YAIRI, Micah Fremont, CA 94555 (US) CIESLA, Craig Fremont, CA 94555 (US) CONSTANTINE, Perry, George Fremont, CA 94555 (US) WEIGAND, Dave, Lind Fremont, CA 94555 (US) (74) Representative: Stanners, David Ralph  Urquhart-Dykes & Lord LLP The Podium 1 Eversholt Street London NW1 2DN London NW1 2DN (GB)