Film and laminate

US11773226B2 · kind B2 · utility

Assignee

• SUMITOMO CHEMICAL COMPANY, LIMITED · JP

Inventors

• Shohei AZAMI · Ibaraki, JP
• Shinji Ohtomo · Tsukuba, JP
• Toyonari ITO · Tokyo, JP

Key dates

• Filing date: Feb 13, 2020
• Grant date: Oct 3, 2023
• Expiry date: Aug 21, 2040

Classification

• Technology area (CPC —): General

Abstract

Provided is a film including a thermoplastic resin, in which a relative permittivity of the film at a frequency of 1 GHz is 3 or less, a dielectric loss tangent of the film at a frequency of 1 GHz is 0.005 or less, and a molecular orientation (MOR) value of the film, which is measured by a microwave orientation meter, is in a range of 1 to 1.1.