Invention Application
- Patent Title: Optical pickup apparatus, optical element for optical pickup apparatus and producing method of optical element
- Patent Title (中): 光拾取装置，光拾取装置用光学元件及光学元件的制造方法
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Application No.: US10884916Application Date: 2004-07-07
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Publication No.: US20050063281A1Publication Date: 2005-03-24
- Inventor: Yuichi Atarashi , Kiyoshi Yamashita , Yasuo Taima
- Applicant: Yuichi Atarashi , Kiyoshi Yamashita , Yasuo Taima
- Assignee: KONICA MINOLTA OPTO, INC.
- Current Assignee: KONICA MINOLTA OPTO, INC.
- Priority: JPJP2003-195956 20030711; JPJP2003-201779 20030725
- Main IPC: B29C45/00
- IPC: B29C45/00 ; B29C45/26 ; G02B1/04 ; G02B5/18 ; G11B7/00 ; G11B7/125 ; G11B7/135
Abstract:
The present invention relates to an optical element for an optical pickup device, wherein the optical element is produced by molding a resin material, in which inorganic particles having a diameter of not more than 30 nm are dispersed in a plastic resin, an optical pickup device using the optical element, and a producing method of the optical element.
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