关于DIP竖插圆形元件点胶，IPC规范是周长的25%，高度25%~50%。黄胶一般是在波峰焊接或者受工焊接之后，按照这个标准没有问题。点固体热熔胶，我看可以根据实际使用粘结剂的情况来制定工厂的标准，目的是在振动环境不会脱落。

----- Original Message -----

From: [log in to unmask] href="mailto:[log in to unmask]">Yihan Deng

To: [log in to unmask] href="mailto:[log in to unmask]">[log in to unmask]

Sent: Friday, June 01, 2012 3:10 PM

Subject: [TGAsia] 黄胶点胶规范

大家好，

想请教一下，对高零件（DIP 的电解电容之类的）进行黄胶点胶，点胶规范是什么，高度？or 零件周圈的多少？还是只需要承受一定的推力就可以了？

Yihan_Deng

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