(19)

(11)

EP 1 997 362 A1

(12)

(43) Date of publication: 03.12.2008 Bulletin 2008/49 (21) Application number: 07750945.3 (22) Date of filing: 14.02.2007

(51) International Patent Classification (IPC):  H05K 7/20(2006.01) (86) International application number: PCT/US2007/004146 (87) International publication number: WO 2007/102978 (13.09.2007 Gazette 2007/37)

(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: 08.03.2006 US 371681 (71) Applicant: Raytheon Company Waltham, Massachusetts 02451-1449 (US)	(72) Inventors: WYATT, William, G. TX 75025 (US) WEBER, Richard, M. Prosper, TX 75078 (US) (74) Representative: Ljungberg, Robert  Baker Botts (UK) LLP 41 Lothbury London EC2R 7HF London EC2R 7HF (GB)