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軟性覆銅箔基板（FCCL）是由銅箔、膠粘劑、PI膜三種材料經高精密涂布技術復合而成。具有耐高溫、高絕緣、高撓曲等特性。廣泛應用于FPC制造。

Epoxy resin PI film based FCCL is composed of three kinds of materials, copper foil, adhesive and PI film, which are compounded by high precision coating technology. With high temperature resistance, high insulation, high flexibility and other characteristics. Widely used in FPC manufacturing.