Title:
MOLD, METHOD FOR PRODUCING MOLD, ANTI-REFLECTION FILM AND METHOD FOR PRODUCING ANTI-REFLECTION FILM
Document Type and Number:
WIPO Patent Application WO/2015/159797
Kind Code:
A1
Abstract:
A method for producing a mold (100) comprises: a step for preparing a cylindrical aluminum base (12) that is formed of an Al-Mg-Si system aluminum alloy and has been subjected to mechanical mirror finishing; a step for providing the surface of the aluminum base (12) with pearskin finish by means of an aqueous solution that contains a salt of hydrogen fluoride and ammonium; a step for producing a mold base (10) by subsequently forming an inorganic material layer (16) on the surface of the aluminum base (12) and forming an aluminum film (18) on the inorganic material layer (16); and a step for forming an inverted moth-eye structure having a plurality of micro recesses (14p) by alternately repeating anodic oxidation and etching of the surface of the aluminum film (18) of the mold base (10).
Inventors:
NAKAHARA TAKAHIRO
YAMADA MIHO
MINOURA KIYOSHI
YAMADA MIHO
MINOURA KIYOSHI
Application Number:
PCT/JP2015/061119
Publication Date:
October 22, 2015
Filing Date:
April 09, 2015
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
C25D11/04; B29C33/38; B29C59/02; C23C28/00; C23F1/20
Domestic Patent References:
| WO2011125486A1 | 2011-10-13 | |||
| WO2010125795A1 | 2010-11-04 |
Foreign References:
| JP2013147583A | 2013-08-01 |
Attorney, Agent or Firm:
OKUDA SEIJI (JP)
Seiji Okuda (JP)
Seiji Okuda (JP)
Download PDF: