Ultra-precision grinding of optical glass lenses with La-doped CeO2 slurry

Yasuhiro Kakinuma, Yoshiki Konuma, Masahiko Fukuta, Katsutoshi Tanaka

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Higher accuracy and more efficient production of large aperture glass lenses is increasingly required for high-resolution imaging devices. These glass lenses are typically manufactured by both ultra-precision grinding and polishing. However, prolonged polishing deteriorates the lens shape accuracy and diminishes productivity. In order to reduce the required amount of polishing or even obtain a polish-free fine surface, chemical action-assisted ultra-precision grinding using La-doped CeO2 slurry is proposed and its effectiveness is experimentally evaluated. The results show that the proposed grinding method successfully provides a high-quality surface comparable to a polished surface and results in five times higher productively than conventional grinding.

本文言語English
ページ(範囲)345-348
ページ数4
ジャーナルCIRP Annals
68
1
DOI
出版ステータスPublished - 2019

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学

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