Title: Method of maintaining the strength of optical fibers

Abstract: The mechanical strength of an optical fiber is maintained by coating the er with an inorganic ceramic material that is impervious to both moisture and chemically corrosive environments. The ceramic coating is applied immediately after the fiber is drawn.

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Inventors: Au Coin, Thomas R. (Ocean, NJ, US)
Di Vita, Sam (West Long Branch, NJ, US)
Wade, Melvin J. (Howell, NJ, US)

Application Number: 808927
Filing Date: 1977-06-22
Publication_date: 1978-10-03
Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC)
Primary Class(es): 65/423 65/435
Other Classes:
US Patent Ref:

2893895	Jul, 1959	Claussen	65/3.
3540870	Nov, 1970	Li	65/3.

Other Refs:
Primary Examiner: Hoffman, James R.
Assistant Examiner:
Attorney: Edelberg; Nathan, Murray; Jeremiah G., Gordon; Roy E.