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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING SPECTACLE LENS, SPECTACLE LENS, AND SPECTACLES
Document Type and Number:
WIPO Patent Application WO/2023/120117
Kind Code:
A1
Abstract:
Provided are a method for manufacturing a spectacle lens and technologies related thereto. The method for manufacturing a spectacle lens, in which marking for performing desired processing by laser irradiation is performed on one surface of a spectacle lens having an object-side surface and an eyeball-side surface on which antireflection films different from each other are respectively provided, comprises: a step for determining an applicable wavelength of a laser to be used; and a step for selecting a surface, on which an antireflection film having relatively low reflectance with respect to the applicable wavelength is provided, out of the object-side surface and the eyeball-side surface, and irradiating the selected surface with a laser using the applicable wavelength.

Inventors:
OOKUBO SHIGEKI (JP)
Application Number:
PCT/JP2022/044572
Publication Date:
June 29, 2023
Filing Date:
December 02, 2022
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD (TH)
OOKUBO SHIGEKI (JP)
International Classes:
G02C13/00; B23K26/00; B23K26/0622; G02B1/11; G02C7/00
Foreign References:
JP2005215038A2005-08-11
JP2003270592A2003-09-25
JPH03124486A1991-05-28
JP2003156667A2003-05-30
Attorney, Agent or Firm:
FUKUOKA Masahiro et al. (JP)
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