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公开(公告)号：KR1019930006321B1
公开(公告)日：1993-07-14
申请号：KR1019910005451
申请日：1991-04-04
Applicant: 파나소닉 주식회사
IPC: C03C13/04
CPC classification number: G02B6/102 , B29C47/00 , B29C47/0014 , C03B37/023 , C03B2201/84 , C03C13/008 , C03C13/041 , C30B15/24 , C30B29/12 , C30B33/00
Abstract: An infrared optical fiber is provided which includes silver halide polycrystals having a composition ratio of silver chloride and silver bromide in the range of 30 to 70 percent by weight of silver chloride, and having an average grain size of 5 mu m or less. There also is provided a method of manufacturing such an infrared optical fiber, in which a silver halide single crystal having a composition ratio of silver chloride and silver bromide in the range of 30 to 70 percent by weight of silver chloride is extruded into an infrared optical fiber, while applying an extruding pressure of 70 kg/mm or more and a tensile load which is greater than the yield strength and smaller than the tensile strength.
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