(19)

(11)

EP 1 839 471 A2

(12)

(88) Date of publication A3: 23.11.2006 (43) Date of publication: 03.10.2007 Bulletin 2007/40 (21) Application number: 06717830.1 (22) Date of filing: 09.01.2006

(51) International Patent Classification (IPC):  H05K 13/00(2006.01) (86) International application number: PCT/US2006/000676 (87) International publication number: WO 2006/078493 (27.07.2006 Gazette 2006/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 20.01.2005 US 39039 (71) Applicant: 3M Innovative Properties Company St. Paul, MN 55133-3427 (US)

(72) Inventors: ADAMS, James T. Saint Paul, Minnesota 55133-3427 (US) BRYAN, William J. Saint Paul, Minnesota 55133-3427 (US) CRONCH, Daniel F. Saint Paul, Minnesota 55133-3427 (US) DE SOUZA, Jose P. Saint Paul, Minnesota 55133-3427 (US) FEISEL, Bryan C. Saint Paul, Minnesota 55133-3427 (US) FRANKE, Carsten Saint Paul, Minnesota 55133-3427 (US) HANSEN, Brent R. Saint Paul, Minnesota 55133-3427 (US) HUANG, Mitchell T. Saint Paul, Minnesota 55133-3427 (US) SEWALL, Nelson D. Saint Paul, Minnesota 55133-3427 (US) SLAMA, David F. Saint Paul, Minnesota 55133-3427 (US) WEILER, Joseph E. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Hilleringmann, Jochen et al von Kreisler Selting Werner Bahnhofsvorplatz 1 (Deichmannnhaus) 50667 Köln 50667 Köln (DE)