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1. (WO2018199078) COMPOSITE OPTICAL ELEMENT AND OPTICAL SCANNING SYSTEM HAVING SAME

Pub. No.:    WO/2018/199078    International Application No.:    PCT/JP2018/016579
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Wed Apr 25 01:59:59 CEST 2018
IPC: G02B 26/12
G02B 3/06
G02B 26/10
Applicants: HOYA CANDEO OPTRONICS CORPORATION
HOYA CANDEO OPTRONICS株式会社
Inventors: SAITO Toshimitsu
齋藤利光
MATSUOKA Shohei
松岡祥平
Title: COMPOSITE OPTICAL ELEMENT AND OPTICAL SCANNING SYSTEM HAVING SAME
Abstract:
A composite optical element having a resin layer on the surface of glass serving as a base, wherein the resin layer has a first region corresponding to an effective diameter range, and a second region located on the outside of the first region, the surface of the first region includes an aspherically shaped concave surface in at least a portion thereof, and the surface of the second region is continuous with the surface of the first region and includes an inflection point.