Electrical insulating material
US4729915A · kind A · utility
5Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Nov 13, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is an electrical insulating material which comprises biaxially oriented polyethylene naphthalate film having a center line average roughness of 0.008 to 0.08 .mu.m as measured on the surface thereof and a resistivity of 5.times.10.sup.7 to 5.times.10.sup.10 .OMEGA..multidot.cm as measured in the molten state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.