Canon Kabushiki Kaisha

Kento Tsuda

Akira Yane

Takeshi Murakami

Daisuke Tanaka

A resin molded article including an ethylene vinyl acetate copolymer resin and carbon black as primary components. After the resin molded article is heated from 25 degrees Celsius to 100 degrees Celsius and then cooled to 25 degrees Celsius, the shrinkage factor of the resin molded article at 25 degrees Celsius cooled after heated to 100 degrees Celsius relative to the resin molded article at 25 degrees Celsius before heated is less than or equal to 2.0%.

Resin molded article and manufacturing method thereof

A resin composition containing a resin, a magnetic powder, a first non-magnetic powder with a water-soluble content in the range of 0.1% to 0.5%, and a second non-magnetic powder with a water-soluble content of 0.05% or less.

Growing community of inventors

Yokohama, Japan

Kento Tsuda