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Patent Searching and Data


Title:
RESIN MEMBER, MOLD FOR MOLDING RESIN MEMBER, AND METHOD FOR MANUFACTURING RESIN MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/105563
Kind Code:
A1
Abstract:
Provided is a resin member comprising a resin substrate and a fine asperity pattern which is formed on the surface of the resin substrate and is composed of a plurality of recesses and a plurality of protrusions. The resin member is characterized in that the plurality of protrusions have first protrusions having a height of 15-35 μm and second protrusions having a height corresponding to 1/4-3/4 of the height of the first protrusions, and the distance between vertexes of two protrusions adjacent to each other among the plurality of protrusions is 100-500 μm, wherein, in a cross section perpendicular to a reference plane passing through any three lowest height points included per unit area of the fine asperity pattern, when the fine asperity pattern per predetermined distance is divided into micro areas each having a predetermined length, the number of micro areas having an inclination angle of -10° to 10° with respect to the reference plane of the micro areas is 78-95% of the total number of the micro areas included in the fine asperity pattern per predetermined distance, and the number of micro areas having an inclination angle of -1° to 1° is 25-40% of the total number of micro areas.

Inventors:
NAKANO SAKURA (JP)
AKAMINE MASAAKI (JP)
SAWAI KANAME (JP)
HOSONO AKIHIRO (JP)
NARITA SHUHEI (JP)
TANAKA YU (JP)
Application Number:
JP2019/044955
Publication Date:
May 28, 2020
Filing Date:
November 15, 2019
Export Citation:
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Assignee:
MAZDA MOTOR (JP)
International Classes:
B29C45/37; B29C33/42
Foreign References:
JP2006068972A2006-03-16
JP2015136819A2015-07-30
JP2016107708A2016-06-20
JP2014043047A2014-03-13
JPH09262837A1997-10-07
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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