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US4874222A Hermetic coatings for non-silica based optical fibers 失效
非二氧化硅基光纤的密封涂料

Hermetic coatings for non-silica based optical fibers
摘要:
A hermetically sealed optical fiber product comprising a fluoride or other non-silica based glass optical fiber and a hermetic coating of carbon, a metal, a fluoride, a metalloid or a ceramic compound in a thickness sufficient to impart moisture resistance to the optical fiber product.
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