Insulating film
US8859087B2 · kind B2 · utility
1Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2008 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jan 25, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is to provide an insulating film having a high breakdown voltage and excellent heat resistance and handling properties. The present invention is a biaxially oriented insulating film which contains (i) a styrene-based polymer having a syndiotactic structure and (ii) particles and which has a refractive index in the thickness direction of 1.6050 to 1.6550.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.