(19)

(11)

EP 1 866 625 A2

(12)

(88) Date of publication A3: 16.11.2006 (43) Date of publication: 19.12.2007 Bulletin 2007/51 (21) Application number: 06749504.4 (22) Date of filing: 06.04.2006

(51) International Patent Classification (IPC):  G01N 21/00(2006.01) G01N 21/89(2006.01) G01N 21/90(2006.01) (86) International application number: PCT/US2006/013012 (87) International publication number: WO 2006/108137 (12.10.2006 Gazette 2006/41)

(84) Designated Contracting States: DE FR (30) Priority: 06.04.2005 US 669171 P (71) Applicant: Corning Incorporated Corning, New York 14831 (US)	(72) Inventor: ZOELLER, Leon, R., III Hammondsport, New York 14840 (US) (74) Representative: Boon, Graham Anthony  Elkington and Fife LLP, Prospect House, 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)