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(11)

EP 3 166 734 A1

(12)

(43) Date of publication: 17.05.2017 Bulletin 2017/20 (21) Application number: 15731441.0 (22) Date of filing: 08.06.2015

(51) International Patent Classification (IPC):  B06B 1/06(2006.01) H01L 41/09(2006.01) G06F 3/043(2006.01) (86) International application number: PCT/US2015/034729 (87) International publication number: WO 2016/007250 (14.01.2016 Gazette 2016/02)

(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 Designated Validation States: MA (30) Priority: 08.07.2014 US 201462022140 P 12.12.2014 US 201414569256 (71) Applicant: Qualcomm Incorporated San Diego, CA 92121-1714 (US)

(72) Inventors: LASITER, Jon, Bradley San Diego, California 92121-1714 (US) SHENOY, Ravindra, Vaman San Diego, California 92121-1714 (US) GOUSEV, Evgeni, Petrovich San Diego, California 92121-1714 (US) PANCHAWAGH, Hrishikesh San Diego, California 92121-1714 (US) BURNS, David, William San Diego, California 92121-1714 (US) KUO, Nai-Kuei San Diego, California 92121-1714 (US) GRIFFITHS, Jonathan, Charles San Diego, California 92121-1714 (US) GANTI, Suryaprakash San Diego, California 92121-1714 (US) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6 Dublin 6 (IE)