(19)

(11)

EP 1 055 129 A1

(12)

(43) Date of publication: 29.11.2000 Bulletin 2000/48 (21) Application number: 99902245.2 (22) Date of filing: 14.01.1999

(51) International Patent Classification (IPC)7: G01R 27/00 (86) International application number: PCT/US9900/788 (87) International publication number: WO 9936/793 (22.07.1999 Gazette 1999/29)

(84) Designated Contracting States: BE DE GR NL (30) Priority: 14.01.1998 US 7254 14.01.1998 US 7255 (71) Applicant: Advanced Testing Technologies, Inc. Hauppauge, NY 11788-2008 (US)	(72) Inventor: BUCKLEY, Robert, Matthew Medford, NY 11763 (US) (74) Representative: Prins, Adrianus Willem et al VereenigdeHeresingel 7 9711 EP Groningen 9711 EP Groningen (NL)