XXXX 科技（深圳）有限公司培训教材(pdf 75)

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
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