...内部的布线(trace)，所以其结构也比较容易被理解，如果以单层的FPC来说，其结构就只有铜皮，外加上、下的绝缘保护层(cover film)，有些还会在加上加强衬(stifferener)，也因此很多工程师可能都忽略了FPC结构中铜皮(copper layer)的重要性。
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绝缘和保护层材料采用丁聚物，提高电缆柔软特性和防腐、耐寒特性。
Insulation and cover the material are the butyl homopolymers, improve the soft characteristics and anticorrosive, cable hardy properties.
整个缠绕定子总装应该采用保护层沉浸烘烤涂镀法，用绝缘清漆至少覆盖两层。
The entire wound stator assembly shall receive a minimum of two coats of insulating varnish utilizing a dip and bake process.
导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。
Conductive wire core outside the use of heat-resistant polyester film insulation tape wrapped around, the outermost layer made of rubber insulation and sheath as protective layer.
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