| 摘要 |
PROBLEM TO BE SOLVED: To provide a new insulation wire whose coil service life is will not be shortened, even if it is subjected to a cooling and heating cycle at harsh atmospheric temperatures. SOLUTION: A fluororesin film made of polytetrafluoroethylene, polyfluoroalkylether, fluoroethylenepropylene copolymer, or a film containing fluororesin, such as these and 20% or less binder by weight is formed on an insulation film. |
