Toyama Prefecture

Toyama University

Richell Co., Ltd.

Tutomu Obata

Satoshi Fujiki

Kazuyuki Yamashita

Takashi Onaga

Masayasu Suzuki

Hideki Morimoto

A method of producing a microproduct comprises: providing a resin composition including 30 to 90 wt % of a polypropylene-based resin and 10 to 70 wt % of a hydrogenated derivative of a block copolymer shown by 'X-Y' (X represents a polymer block immiscible with the polypropylene-based resin, Y represents an elastomeric polymer block of a conjugated diene that's miscible with the polypropylene-based resin after hydrogenation); attaching a silicon stamper to a mold cavity of an injection molding machine, the silicon stamper having micromachined features formed by etching the surface of a silicon plate; and precisely transferring the micromachined features of the silicon stamper to the resin composition by injecting the resin composition into the mold cavity, a resulting molded surface having recesses and/or protrusions that are 0.3 to 200 &#x3bc;m deep or tall and 0.3 to 100 &#x3bc;m wide.

Method of producing a microproduct

Growing community of inventors

Toyama, Japan

Tutomu Obata