METHOD OF FORMING A GRATING IN AN OPTICAL WAVEGUIDE - Patent 1237823

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EP 1 237 823 A1

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(43)	Date of publication:
	11.09.2002 Bulletin 2002/37

(21)	Application number: 00963274.6

(22)	Date of filing: 25.08.2000

(51)	International Patent Classification (IPC)⁷: C03B 37/10

(86)	International application number:
	PCT/US0023/501

(87)	International publication number:
	WO 0102/1538 (29.03.2001 Gazette 2001/13)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

17.09.1999 US 398986

(71)	Applicant: CORNING INCORPORATED
	Corning, N.Y. 14831 (US)

(72)	Inventors:
	KOHNKE, Glenn, E. Painted Post, NY 14870 (US) MODAVIS, Robert, A. Santa Rosa, CA 95405 (US) WELLER-BROPHY, Laura Corning, NY 14830 (US)

(74)	Representative: Boon, Graham Anthony
	Elkington and Fife,Prospect House,8 Pembroke Road Sevenoaks,Kent TN13 1XR Sevenoaks,Kent TN13 1XR (GB)

(54)	METHOD OF FORMING A GRATING IN AN OPTICAL WAVEGUIDE