Patent · US Active

Dielectric film and power capacitor comprising dielectric film

US11569036B2 · kind B2 · utility

0Cited by

7References

15Claims

0Family size

Assignee

Hitachi Energy Switzerland AG · CH

Inventors

Lejun Qi · Shanghai, CN
Chau-Hon Ho · Glückstadt, DE
Linnea Petersson · Hagfors, SE
Jiansheng Chen · Tangxia, CN

Key dates

Filing date	Oct 9, 2017
Grant date	Jan 31, 2023
Priority date	—
Expiry date	Dec 12, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2465/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A dielectric film is provided. The dielectric film includes a dielectric polymer substrate having two surfaces opposite to each other and a coating layer formed on at least one of the two surfaces of the dielectric polymer substrate by chemical vapor deposition polymerization and/or irradiation polymerization. A power capacitor includes the dielectric film. A process for preparing the dielectric film is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.