Teijin Chemicals Limited

Kinji Hasegawa

Hideaki Nitta

Takatsune Yanagida

Masahiro Murakami

Kunio Hatanaka

Hironobu Katoh

A polycarbonate resin film which has an average thickness of 10 to 150 &#x3bc;m, a thickness nonuniformity of 2% or less, a retardation R(589) in the plane of the film measured at a wavelength of 589 nm of 12 nm or less, a retardation Rth(589) in the thickness direction of the film measured at a wavelength of 589 nm of 35 nm or less and is used for optical purposes.

Growing community of inventors

Chiyoda-ku, Japan

Kinji Hasegawa