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(11)

EP 2 972 149 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 13812287.4 (22) Date of filing: 03.12.2013

(51) International Patent Classification (IPC):  G01J 3/02(2006.01) G01J 3/28(2006.01) G01J 3/04(2006.01) (86) International application number: PCT/US2013/072811 (87) International publication number: WO 2014/143232 (18.09.2014 Gazette 2014/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 13.03.2013 US 201313799958 13.03.2013 US 201313798816 (71) Applicants: Corning Incorporated Corning, New York 14831 (US) Comstock, II, Lovell Elgin Charlestown, New Hampshire 03603 (US) Wiggins, Richard, Lynton Keene, New Hampshire 03431 (US) Woodard, Kenneth Smith New Boston, New Hampshire 03070 (US)

(72) Inventors: COMSTOCK, Lovell Elgin, II Charlestown, New Hampshire 03603 (US) WIGGINS, Richard Lynton Keene, New Hampshire 03431 (US) WOODARD, Kenneth Smith New Boston, New Hampshire 03070 (US) (74) Representative: Greene, Simon Kenneth  Elkington and Fife LLP Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)