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Patent Searching and Data


Title:
METHOD FOR PRODUCING MOLD
Document Type and Number:
WIPO Patent Application WO/2019/163630
Kind Code:
A1
Abstract:
Provided is a method for producing a mold for an optical element that produces an image with a clear boundary and that is composed of a first portion, which is a substantially flat surface, and a second portion, which is an optical structure for causing a ray of light to diffract, diffuse, or the like. This method for producing a mold for an optical element comprises: a step for forming, by resist patterning and etching, a first groove that has a substantially flat bottom surface having a width of 2 micrometers or more in a first region of a surface of a substrate; and a step for machining a second region that surrounds the first region in the surface of the substrate into a shape constituted of a surface that is not parallel to the bottom surface.

Inventors:
NISHIO, Yukinobu (Yamazaki Head Office, 2-1-7, Yamazaki, Shimamoto-cho, Mishima-gu, Osaka 01, 〒6180001, JP)
IKEDA, Katsumoto (Yamazaki Head Office, 2-1-7, Yamazaki, Shimamoto-cho, Mishima-gu, Osaka 01, 〒6180001, JP)
TANIBE, Kenji (Yamazaki Head Office, 2-1-7, Yamazaki, Shimamoto-cho, Mishima-gu, Osaka 01, 〒6180001, JP)
YAMAMOTO, Kazuya (Yamazaki Head Office, 2-1-7, Yamazaki, Shimamoto-cho, Mishima-gu, Osaka 01, 〒6180001, JP)
Application Number:
JP2019/005312
Publication Date:
August 29, 2019
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
NALUX CO., LTD. (3-4-29, Minami-eguchi Higashi-yodogawa-ku, Osaka-sh, Osaka 03, 〒5330003, JP)
International Classes:
B29C33/38; B29C33/42; G02B3/00; G02B5/18
Attorney, Agent or Firm:
FUSHIMI, Naoya (Fushimi Patent, Kadokura-Bldg. No. 8 2nd Floor, 12-1 Asahi-cho, Fujisawa-sh, Kanagawa 54, 〒2510054, JP)
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