第一章基础培训教材
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