SMT贴装工艺接收标准 IPC-A-610B
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IPC-A-610国际标准中英文对IPC-A-610 XXX-Chinese Comparison4.6.2 Heat Sink-Contact散热片――接触片Target - Class 1.2.3目标——等级1,2,3The component and heat sink are in full contact with the mounting surface.组件和散热片与安装表面完全接触。
XXX.部件满足规定的接触要求。
Figure 4-641.Heat Sink散热片Acceptable - Class 1.2.3可接受的——等级1,2,3The component is not flush.组件不平齐。
There is a minimum of 75% contact with the mounting surface.至少有75%与安装表面接触。
XXX specified.如果有规定,部件满足安装的转距要求。
Figure 4-651.Gap。
2.Heat Sink间隙散热片Defect - Class 1.2.3缺点——等级1,2,3The component is not in contact with the mounting surface.组件没有接触到安装表面。
XXX XXX.部件松弛可以移动。
Figure 4-661.Heat Sink。
2.Gap散热片间隙5.1 XXX方向5.1.1 XXX - Horizontal方向——水平Target - Class 1.2.3目标——等级1,2,3The components are XXX.组件位于焊盘中央。
The component markings are discernible. 组件标识清晰可见。
Non-polarized components are oriented so that markings all read the same way (left-to-right or top-to-bottom).非极性元件的标识朝向应相同(从左到右或从上到下)。