(19)

(11)

EP 1 166 606 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00913590.6 (22) Date of filing: 24.02.2000

(51) International Patent Classification (IPC)7: H05K 7/14 (86) International application number: PCT/US0004/681 (87) International publication number: WO 0051/406 (31.08.2000 Gazette 2000/35)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 25.02.1999 US 121663 P (71) Applicant: Intergraph Corporation Huntsville, Alabama 35894-0001 (US)	(72) Inventor: BULLINGTON, James Athens, AL 35611 (US) (74) Representative: Froud, Clive et al Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)