电子厂员工质量培训教材基础培训教材.PDF

电子厂员工质量培训教材 基础培训教材 第一节常用术语解释（一） 1 1．组装图······················· 1 2．轴向引线元件···················· 1 3．单端引线元件···················· 1 4．印刷电路板····················· 1 5．成品电路板····················· 1 6．单面板······················· 1 7．双面板······················· 1 8．层板························ 2 9．焊盘 ······················· 2 10．元件面 ······················ 2 11．焊接面 ······················ 2 12．元件符号 ····················· 2 13．母板 ······················· 2 14．金属化孔（PTH）················· 2 15．连接孔 ······················ 2 16．极性元件 ····················· 2 17．极性标志······················ 2 18．导体 ······················· 2 19．绝缘体 ······················ 2 20．半导体 ······················ 3 21．双面直插······················ 3 22．套管 ······················· 3 23．阻脚························ 3 24．管脚打弯 ····················· 3 25．预面型······················· 3 第一节常用术语解释（二）············· 4 1．空焊················ 4 2．假焊················ 4 3．冷焊················ 4 4．桥接················ 4 5．错件················ 4 6．缺件················ 4 7．极性反向·············· 4 8．零件倒置 ·············· 4 9．零件偏位·············· 4 10．锡垫损伤·············· 4 11．污染不洁·············