Title:
ORIENTED POLYESTER FILM
Document Type and Number:
Japanese Patent JP2020075965
Kind Code:
A
Abstract:
To provide an oriented polyester film having excellent shading properties and tape processing properties.SOLUTION: An oriented polyester film has an optical density of 1.5 or more, a dielectric constant of 10 or below, and a coefficient of variation of dielectric constant (σ/average value) of 0.01 or more but 0.1 or less.SELECTED DRAWING: None
Inventors:
TATSUMI NORIYUKI
WAKAHARA YOKO
HIGASHIOJI TAKUJI
WAKAHARA YOKO
HIGASHIOJI TAKUJI
Application Number:
JP2018208750A
Publication Date:
May 21, 2020
Filing Date:
November 06, 2018
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
C08J5/18; C09J7/25