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公开(公告)号:US20130259436A1
公开(公告)日:2013-10-03
申请号:US13850549
申请日:2013-03-26
Applicant: OLYMPUS CORPORATION
Inventor: Makoto TANABE , Hiroki TAKAGI
IPC: A61B1/00 , G02B6/06 , C03B37/027
CPC classification number: A61B1/00 , A61B1/0011 , A61B1/0017 , A61B1/07 , C03B37/02718 , C03B37/02754 , C03B37/029 , C03B2201/10 , C03B2201/32 , C03B2201/50 , C03B2203/222 , C03B2203/32 , C03B2205/14 , C03B2205/16 , C03B2205/63 , G02B6/06 , G02B23/2469 , Y02P40/57
Abstract: Provided is a method for manufacturing an optical fiber that is inserted into an insertion portion of an endoscope and guides light, wherein inside an upright fiber drawing furnace, inside a hollow clad tube including a clad glass having a viscosity η1 of 5.0
Abstract translation: 本发明提供一种插入到内窥镜的插入部中并导光的光纤的制造方法,其特征在于,在立式纤维拉丝炉内部,在包含粘度等于5.0的包覆玻璃的中空包层管内, 在核心玻璃的粘度eta2变为Log eta2 = 3.5的温度下,流化状态的芯玻璃通过重力下降,由此将芯玻璃和包层玻璃一体化。