Patent ID: 11879041
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B  H | IPC B  C  H

Claim 0:
1. A film comprising:
a thermoplastic resin, comprising a liquid crystal polyester,
wherein 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, wherein the amount of the liquid crystal polyester soluble in an aprotic solvent is less than 5% by mass relative to the total 100% by mass of the liquid crystal polyester.