METHOD OF MAKING LARGE SCALE OPTICAL FIBER PREFORMS WITH IMPROVED PROPERTIES - Patent 1044173

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EP 1 044 173 A1

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(43)	Date of publication:
	18.10.2000 Bulletin 2000/42

(21)	Application number: 98966067.5

(22)	Date of filing: 23.12.1998

(51)	International Patent Classification (IPC)⁷: C03B 37/014, C03B 37/018

(86)	International application number:
	PCT/US9827/418

(87)	International publication number:
	WO 9932/413 (01.07.1999 Gazette 1999/26)

(84)	Designated Contracting States:
	DE GB

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Priority:

23.12.1997 US 997308

(71)	Applicant: SPECTRAN CORPORATION
	Sturbridge, MA 10566 (US)

(72)	Inventors:
	WU, Fengqing Westboro, MA 01581 (US) HUERTA, Aurelia Sturbridge, MA 01566 (US)

(74)	Representative: Watts, Christopher Malcolm Kelway, Dr.
	Lucent Technologies (UK) Ltd,5 Mornington Road Woodford GreenEssex, IG8 0TU Woodford GreenEssex, IG8 0TU (GB)

(54)	METHOD OF MAKING LARGE SCALE OPTICAL FIBER PREFORMS WITH IMPROVED PROPERTIES