At&t Bell Laboratories

John W. Shea

Carl R. Taylor

John Thomas Chapin

Addison Guy, Jr. Hardee

John Michael Turnipseed

Lisa M. Larsen-moss

Charles M. Leshe

Bob J. Overton

Charles M Leshe

Carl Raymond Taylor

John W Shea

Bob J Overton

Lisa M Larsen-Moss

J Thomas Chapin

Addison G Hardee, Jr

Jr Hardee Addison Guy

Methods are provided for making an optical fiber transmission medium which includes optical fiber (21) provided with a coating system (31) typically including two layers each of a different coating material. An inner layer (32) of a first coating material is called the primary coating and an outer layer is termed the secondary. In order to achieve desired performance characteristics, performance is related to properties of a coating system. The coating materials have well defined moduli and the second coating material has an elongation which is substantially less than in prior secondary coating materials. Adhesion levels which are optimized rather than maximized are substantially stable with respect to time. Curing of the coating materials may be accomplished simultaneously or in tandem with the application separately of the coating materials.

Method of making optical fiber

An optical fiber transmission medium (30) ) includes optical fiber (21) provided with a coating system (31) typically including two layers each of a different coating material. An inner layer (32) of a first coating material is called the primary coating and an outer layer is termed the secondary. In order to achieve desired performance characteristics, performance is related to properties of a coating system. The coating materials have well defined moduli and the second coating material has an elongation which is substantially less than in prior secondary coating materials. Adhesion levels which are optimized rather than maximized are substantially stable with respect to time. Curing of the coating materials may be accomplished simultaneously or in tandem with the application separately of the coating materials.

Optical transmission media and methods of making same

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Lawrenceville, GA, United States of America

Charles M Leshe