(19)

(11)

EP 1 697 704 A1

(12)

(43) Date of publication: 06.09.2006 Bulletin 2006/36 (21) Application number: 04805954.7 (22) Date of filing: 08.12.2004

(51) International Patent Classification (IPC):  G01J 3/42(2006.01) G01N 21/35(2006.01) G01J 3/10(2006.01) (86) International application number: PCT/GB2004/005134 (87) International publication number: WO 2005/057146 (23.06.2005 Gazette 2005/25)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 09.12.2003 GB 0328541 (71) Applicant: Teraview Limited Cambridge, Cambridgeshire CB4 0WS (GB)	(72) Inventor: BARBIERI, Stefano, TeraView Limited Cambridge, Cambridgeshire CB4 0WS (GB) (74) Representative: Granleese, Rhian Jane  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)