USH1461HExpiredUtility

Abrasion resistant diamond like coating for optical fiber and method of forming the coating

72
Assignee: US ARMYPriority: May 10, 1993Filed: May 10, 1993Granted: Jul 4, 1995
Est. expiryMay 10, 2013(expired)· nominal 20-yr term from priority
Inventors:Sam DivitaJohn L. MargraveLeif FredinDonald E. Patterson
C23C 14/0605C03C 25/22C03C 25/1062
72
PatentIndex Score
31
Cited by
4
References
1
Claims

Abstract

A coating is provided for an optical fiber that inhibits abrasion or scraing of the fiber's surface. The coating is obtained by depositing a thin film of non-hydrogenated diamond-like amorphous carbon (a-C) onto the optical fiber using a laser ablation technique employing graphite as a target material.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. An optical fiber with a thin inorganic abrasion resistant coating of a non-hydrogenated amorphous carbon that is extremely hard and slippery, with microhardness values above 3000 and coefficient of friction values below 0.2.

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