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材料选择问题 |
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点评
FR-4:这是最常用的PCB基材,由玻璃纤维布与环氧树脂复合而成,本质也是一种复合塑料。单张价格(1.6mm厚)通常超过55元(小尺寸),标准尺寸板因含玻纤和特殊工艺,价格可达ABS的2倍以上
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