(19)

(11)

EP 2 345 316 A1

(12)

(43) Date of publication: 20.07.2011 Bulletin 2011/29 (21) Application number: 08781593.2 (22) Date of filing: 10.07.2008

(51) International Patent Classification (IPC):  H05K 7/20(2006.01) (86) International application number: PCT/US2008/069604 (87) International publication number: WO 2010/005435 (14.01.2010 Gazette 2010/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (71) Applicant: Graftech International Holdings Inc. Parma, OH 44130 (US)	(72) Inventor: REIS, Bradley, E. Westlake, OH 44145 (US) (74) Representative: Brand, Thomas Louis  W.P. Thompson & Co. 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)