Invention Grant
- Patent Title: Optical communication module using refraction plate for optical axis compensation, and manufacturing method of the same
- Patent Title (中): 用于光轴补偿的折射板的光通信模块及其制造方法
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Application No.: US11423172Application Date: 2006-06-09
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Publication No.: US07693372B2Publication Date: 2010-04-06
- Inventor: Taro Kaneko , Mitsunori Kanemoto
- Applicant: Taro Kaneko , Mitsunori Kanemoto
- Applicant Address: JP Tokyo
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP Tokyo
- Agency: Whitham Curtis Christofferson & Cook, PC
- Priority: JP2005-189662 20050629
- Main IPC: G02B6/32
- IPC: G02B6/32 ; G02B6/00
Abstract:
An optical communication module is fabricated to include a refraction plate made of an inorganic material whose refractive index varies little with temperature. The refraction plate is inserted in the optical path to perform optical axis compensation in a single lens system with long focal length.
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