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公开(公告)号:US08571372B2
公开(公告)日:2013-10-29
申请号:US13101377
申请日:2011-05-05
CPC分类号: G02B6/4482 , G02B6/02395 , G02B6/4403
摘要: The present invention provides an optical fiber in which the transmission loss increase is suppressed even under a high-humidity condition or under a water-immersed condition. A colored optical fiber (22) according to an embodiment of the present invention is a colored optical fiber (22) formed by applying a colored layer to an optical fiber (14) including a glass optical fiber coated with at least a double-layered coating layer of a soft layer and a hard layer, and the ratio of thermal expansion coefficient between the coating layer after the colored layer of the colored optical fiber (22) is applied and the coating layer of the optical fiber (14) before the colored layer is applied is 0.87 or more. Furthermore, an optical fiber ribbon (32) according to another embodiment of the present invention is an optical fiber (32) formed by arranging a plurality of the colored optical fiber (22) in the form of a plane and coating them all together with a ribbon resin and the ratio of thermal expansion coefficient between the coating layer after the colored layer of the colored optical fiber (22) is applied and the coating layer of the optical fiber before the colored layer is applied is 0.90 or more.
摘要翻译: 本发明提供即使在高湿度条件下或在水浸条件下也能够抑制传输损失增加的光纤。 根据本发明的实施例的着色光纤(22)是通过将着色层施加到包括至少涂覆有双层涂层的玻璃光纤的光纤(14)而形成的着色光纤(22) 软层和硬层的层,并且施加着色光纤(22)的着色层之后的涂层之间的热膨胀系数与光纤(14)的涂层之间的着色层 被应用为0.87以上。 此外,根据本发明的另一实施例的光纤带(32)是通过将多个着色光纤(22)以平面形式布置并且将它们全部涂覆在一起而形成的光纤(32) 带状树脂,着色光纤(22)的着色层之后的涂层之间的热膨胀系数与涂布着色层之前的光纤涂层的比例为0.90以上。
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公开(公告)号:US08111964B2
公开(公告)日:2012-02-07
申请号:US11794253
申请日:2006-08-10
IPC分类号: G02B6/02
CPC分类号: G02B6/4402 , C03C25/1065 , G02B6/4404
摘要: The present invention provides an optical fiber in which composites constructing its coating are not complicated, so, there is also little constraint in view of production, and, moreover, delamination between a glass optical fiber and a primary layer, and a bubble in the primary layer hardly arise. The optical fiber of the present invention is an optical fiber which has a glass optical fiber which has a core 1, which passes an optical signal, in a center portion, and a cladding 2 surrounding this, a primary protective layer 3 made to coat the glass optical fiber, a secondary protective layer 4 applied on this primary protective layer 3, and a third protective layer 5 applied to an outer periphery of this secondary protective layer 4, wherein glass transition temperature of the primary protective layer 3 is made to be higher than −20° C. and 10° C. or lower, glass transition temperature of the secondary protective layer 4 is made to be −10° C. or less, and the glass transition temperature of the primary protective layer 3 is set higher than that of the secondary protective layer 4.
摘要翻译: 本发明提供了一种构成其涂层的复合材料并不复杂的光纤,因此在生产方面也受到限制,此外,玻璃光纤与初级层之间的分层以及初级层的气泡 层几乎不出现。 本发明的光纤是具有玻璃光纤的光纤,该玻璃光纤具有芯1,中心部分通过光信号,围绕该光信号的包层2,形成为覆盖该第一保护层3的主保护层3 玻璃光纤,施加在该主保护层3上的二次保护层4,以及施加到该二次保护层4的外周的第三保护层5,使主保护层3的玻璃化转变温度高 低于-20℃,10℃以下,二次保护层4的玻璃化转变温度为-10℃以下,初级保护层3的玻璃化转变温度高于 二次保护层4。
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公开(公告)号:US20110274396A1
公开(公告)日:2011-11-10
申请号:US13101377
申请日:2011-05-05
CPC分类号: G02B6/4482 , G02B6/02395 , G02B6/4403
摘要: The present invention provides an optical fiber in which the transmission loss increase is suppressed even under a high-humidity condition or under a water-immersed condition. A colored optical fiber (22) according to an embodiment of the present invention is a colored optical fiber (22) formed by applying a colored layer to an optical fiber (14) including a glass optical fiber coated with at least a double-layered coating layer of a soft layer and a hard layer, and the ratio of thermal expansion coefficient between the coating layer after the colored layer of the colored optical fiber (22) is applied and the coating layer of the optical fiber (14) before the colored layer is applied is 0.87 or more. Furthermore, an optical fiber ribbon (32) according to another embodiment of the present invention is an optical fiber (32) formed by arranging a plurality of the colored optical fiber (22) in the form of a plane and coating them all together with a ribbon resin and the ratio of thermal expansion coefficient between the coating layer after the colored layer of the colored optical fiber (22) is applied and the coating layer of the optical fiber before the colored layer is applied is 0.90 or more.
摘要翻译: 本发明提供即使在高湿度条件下或在水浸条件下即可抑制传输损失增加的光纤。 根据本发明的实施例的着色光纤(22)是通过将着色层施加到包括至少涂覆有双层涂层的玻璃光纤的光纤(14)而形成的着色光纤(22) 软层和硬层的层,并且施加着色光纤(22)的着色层之后的涂层之间的热膨胀系数与光纤(14)的涂层之前的着色层 被应用为0.87以上。 此外,根据本发明的另一实施例的光纤带(32)是通过将多个着色光纤(22)以平面形式布置并且将它们全部涂覆在一起而形成的光纤(32) 带状树脂,着色光纤(22)的着色层之后的涂层之间的热膨胀系数与涂布着色层之前的光纤涂层的比例为0.90以上。
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公开(公告)号:US20090232461A1
公开(公告)日:2009-09-17
申请号:US11661670
申请日:2006-09-08
CPC分类号: G02B6/4482 , G02B6/02395 , G02B6/4403
摘要: The present invention relates to an optical fiber accommodated in an optical fiber cable, and more particularly, to an optical fiber which optimizes optical fiber coating resin and color resin and restrains an increase in transmission loss of the optical fiber due to an operating environment and aged deterioration and provides an optical fiber and optical fiber ribbon without any increase of transmission loss irrespective of the operating environment and aged deterioration, and especially when exposed to water or high humidity.The optical fiber is an optical fiber coated with at least two layers of coating resin, wherein the outermost coated coating resin is a colored layer made of color resin and when the optical fiber is immersed in water which is heated to 60° C. for 168 hours, an extraction rate of the coating resin of the optical fiber is set to 1.5 mass percent or below.
摘要翻译: 本发明涉及容纳在光纤电缆中的光纤,更具体地说,涉及一种优化光纤涂层树脂和着色树脂的光纤,并且抑制由于操作环境和老化而导致的光纤的传输损耗的增加 劣化并且提供光纤和光纤带,而不管操作环境和老化劣化,特别是当暴露于水或高湿度时,传输损失不会增加。 光纤是涂覆有至少两层涂层树脂的光纤,其中最外涂层涂层树脂是由彩色树脂制成的着色层,当光纤浸入加热到60℃的水中时,168 小时,将光纤的涂布树脂的提取速度设定为1.5质量%以下。
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