Invention Grant
- Patent Title: Optical part and method for manufacturing optical part
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Application No.: US15660582Application Date: 2017-07-26
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Publication No.: US10527813B2Publication Date: 2020-01-07
- Inventor: Daigo Kobayashi
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A. Inc., IP Division
- Priority: JP2016-150333 20160729; JP2017-129346 20170630
- Main IPC: G02B7/02
- IPC: G02B7/02 ; B29D11/00 ; G02B1/04 ; G02B27/00
Abstract:
A plastic lens is fixed by a holder biting into the plastic lens, a side surface of the plastic lens has a gate trace, and a bite amount into the plastic lens of the holder closest to the gate trace is smaller than an average bite amount into the plastic lens of the holder.
Public/Granted literature
- US20180031796A1 OPTICAL PART AND METHOD FOR MANUFACTURING OPTICAL PART Public/Granted day:2018-02-01
Information query
IPC分类:
| G | 物理 |
| G02 | 光学 |
| G02B | 光学元件、系统或仪器 |
| G02B7/00 | 光学元件的安装、调整装置或不漏光连接 |
| G02B7/02 | .用于透镜 |
