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wqs1988:开激光的钢网,钢网厚度0.12MM,开孔宽度比例为1.:1就好了。如果想增加锡膏的量,建议外加长引脚0.2MM,内加长0.1MM。 (2013-03-19 11:41)
panbin:楼上兄弟,IPC-7525规范,能否电一份给我邮箱:403725368@QQ.COM 多谢了! (2013-02-20 23:16)
ennbyo:按照IPC-7525,开孔面积比在于>0.7基本上是最佳的厚度,上面有公式你可以计算目 [表情] (2013-02-20 22:48)