Insulated wire and coil using same
US10546667B2 · kind B2 · utility
0Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2013 |
| Grant date | Jan 28, 2020 |
| Priority date | — |
| Expiry date | Mar 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/294
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An insulated wire includes a conductor and an insulating layer formed on an outer periphery of the conductor, and the insulating layer is composed essentially of a polyimide resin having a repeating unit A represented by Formula (1) as a part of a molecular structure, in which a water absorption coefficient is not greater than 2.8% after 24 hours under condition at temperature of 40° C. and humidity of 95%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.