(19)
(11) EP 3 311 145 A1

(12)

(43) Date of publication:
25.04.2018 Bulletin 2018/17

(21) Application number: 16732187.6

(22) Date of filing: 16.06.2016
(51) International Patent Classification (IPC): 
G01N 21/896(2006.01)
(86) International application number:
PCT/US2016/037771
(87) International publication number:
WO 2016/205456 (22.12.2016 Gazette 2016/51)
(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
Designated Validation States:
MA MD

(30) Priority: 19.06.2015 US 201562181901 P

(71) Applicant: Corning Incorporated
Corning, New York 14831 (US)

(72) Inventors:
  • TOUSCHNER, Jeffrey Scott
    Elmira, New York 14905 (US)
  • ZOELLER, Leon Robert, III
    Hammondsport, New York 14840 (US)

(74) Representative: Olivier, Eleanor May 
Elkington and Fife LLP Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) METHODS AND APPARATUS FOR INSPECTING A SUBSTRATE FOR DEFECTS AND LOCATING SUCH DEFECTS IN THREE DIMENSIONS USING OPTICAL TECHNIQUES