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	光通信用のレンズ、光通信モジュール及び成形金型
	中山 佳佑
	2017-12-01
著作权人	コニカミノルタ株式会社
专利号	JP6248934B2
国家	日本
文献子类	授权发明
其他题名	光通信用のレンズ、光通信モジュール及び成形金型
英文摘要	Provided are: an optical communication lens which exhibits improved formability, is capable of suppressing contamination and the like during the production step, and reduces costs; an optical communication module using the same; and a molding die. After the material cools, a movable mold (MM) is displaced so as to integrally move away from a fixed mold (FM). During this displacement, the contact surface (FM3) of the fixed mold (FM) is positioned at Δ2=L/10 to L/2 in the optical axis direction from the innermost point of the fixed mold (FM); hence, the molded product is stuck to the movable-mold (MM) side. Also, even if for example a burr is formed along the parting line, there is little risk that the broken burr would adhere to the optical surface of the lens. Furthermore, the contact surface (FM3) of the fixed mold (FM) is positioned at Δ2=L/10 to L/2 in the optical axis direction from the innermost point of the fixed mold (FM); hence, it is possible to separate the gate (GT) from the optical surface (S2), and when cutting the gate and performing the polishing treatment, the adhesion of plastic bits and polished material to the optical surface (S2) is suppressed.
公开日期	2017-12-20
申请日期	2013-09-10
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/37694]
专题	半导体激光器专利数据库
作者单位	コニカミノルタ株式会社
推荐引用方式 GB/T 7714	中山 佳佑. 光通信用のレンズ、光通信モジュール及び成形金型. JP6248934B2. 2017-12-01.

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