DKBA华为技术有限公司内部技术标准DKBA3200.5-2009.12代替DKBA3200.5～2005.06代替Q/DKBA3200.5～9-2003PCBA检验标准第五部分：整板外观2009年12月31日发布2010年01月01日实施华为技术有限公司HuaweiTechnologiesCo.,Ltd.版权所有侵权必究Allrightsreserved目录1范围和简介...............................................................................................................................61.1范围....................................................................................................................................61.2关键词................................................................................................................................62规范性引用文件........................................................................................................................63金手指......................................................................................................................................64板材..........................................................................................................................................84.1白斑和微裂纹.....................................................................................................................84.2起泡和分层.........................................................................................................................94.3显布纹/露织物..................................................................................................................104.4晕圈和板边分层................................................................................................................114.5烧焦..................................................................................................................................124.6弓曲和扭曲.......................................................................................................................134.7柔性板及刚柔结合板.........................................................................................................144.7.1缺口/撕裂....................................................................................................................144.7.2加强板分层.................................................................................................................154.7.3变色............................................................................................................................154.7.4焊料灯芯效应（Wicking）..........................................................................................164.8导体/焊盘..........................................................................................................................164.8.1横截面变小/宽度变小..................................................................................................164.8.2焊盘撕起.....................................................................................................................174.8.3机械损伤.....................................................................................................................185标记........................................................................................................................................195.1蚀刻标记.............................................................................................................................
