(19)
(11) EP 2 810 307 A1

(12)

(43) Date of publication:
10.12.2014 Bulletin 2014/50

(21) Application number: 13743107.8

(22) Date of filing: 25.01.2013
(51) International Patent Classification (IPC): 
H01L 33/00(2010.01)
(86) International application number:
PCT/US2013/023041
(87) International publication number:
WO 2013/116086 (08.08.2013 Gazette 2013/32)
(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: 30.01.2012 US 201213361569

(71) Applicant: Cree, Inc.
Durham, NC 27703 (US)

(72) Inventors:
  • BERGMANN, Michael John
    Chapel Hill, North Carolina 27516 (US)
  • WILLIAMS, Christopher D.
    Morrisville, North Carolina 27560 (US)
  • SCHNEIDER, Kevin Shawne
    Cary, North Carolina 27518 (US)
  • HABERERN, Kevin
    Cary, North Carolina 27511 (US)
  • DONOFRIO, Matthew
    Raleigh, North Carolina 27613 (US)

(74) Representative: Boult Wade Tennant 
Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) LOW TEMPERATURE HIGH STRENGTH METAL STACK FOR DIE ATTACHMENT