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Process for producing optical transmission fiber

  • US 4,161,505 A
  • Filed: 01/14/1976
  • Issued: 07/17/1979
  • Est. Priority Date: 11/25/1972
  • Status: Expired due to Term
First Claim
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1. A process for producing an optical transmission fiber, comprising (A) oxidizing halides, hydrides or organic compounds of Si with OF2 or oxygen containing a gaseous fluorine compound, or (B) by the oxidation of SiF4 to form doped fused silica containing F and depositing said doped fused silica containing F as a layer on the outer surface of a rod or pipe or pure fused silica and melting and spinning said rod or pipe having said deposited layer into a fiber.

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