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Patent Searching and Data


Title:
眼鏡レンズの製造方法
Document Type and Number:
Japanese Patent JP5232149
Kind Code:
B2
Abstract:
This invention provides a process for producing a spectacle lens, which can remove machining traces, is free from a striped pattern, a variation in the degree of lenses, and a sagged shape and can improve the optical properties and quality of the spectacle lens. To this end, an optical surface (2a, 2b) of a spectacle lens (1) is machined. A hard coat film (4) formed of a material having hardness equal to or higher than a lens base material is formed on the machined optical surface (2a, 2b). Thereafter, the surface of the hard coat film (4) is polished, and an antireflection film (5) is formed on the polished hard coat film (4).

Inventors:
Keigo Hasegawa
Akihiro Maeda
Watanabe Nobunbun
Application Number:
JP2009525318A
Publication Date:
July 10, 2013
Filing Date:
July 03, 2008
Export Citation:
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Assignee:
HOYA CORPORATION
International Classes:
G02C13/00; B24B13/00; G02B1/10; G02B1/113; G02B1/14; G02C7/02
Domestic Patent References:
JP2006201424A2006-08-03
JP2004091235A2004-03-25
JP2004317827A2004-11-11
JPH0247601A1990-02-16
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa