它们是半导体设备厂商,刻蚀(就是把材料去掉),沉积(长一层很薄的材料),但这些薄膜沉积都是化学气相沉积的方法,不是那种原材料
它们是半导体设备厂商,刻蚀(就是把材料去掉),沉积(长一层很薄的材料),但这些薄膜沉积都是化学气相沉积的方法,不是那种原材料
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