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3、 2004-2011 Aspose Pty Ltd.植锡板 BGA封装方式下,芯片引脚不是分布在芯片的周围而是在封装的底面 。Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.B BG GA A芯芯片片植植锡锡操操作作清洗 固定 上锡 吹焊 调整Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.BGA芯片的定位 Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd. 超声波清洗器 、带灯放大镜 Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.