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Allegro 出图交付与 DFM 实战:和板厂对接的最后一公里

PCB设计
PCB设计
Pub 9/10
55

设计文件交给板厂不是丢个 Gerber 就完事。DFM 检查做在前面,板厂返工的次数能少一半,交付资料齐不齐直接决定打样周期。

出图前 DFM 逐项过:

  • 最小线宽线距、最小孔径对着板厂工艺表核,超出能力范围的设计趁早改,别赌板厂能超能力加工。
  • 铜皮与板边间距、孔到板边距离留够,铣刀路径上的铜要清掉,阻焊开窗和焊盘匹配,绿油桥太窄的焊盘间要调整。
  • 工艺边和拼板在交付前定好,V-cut 位置、邮票孔、定位孔画进资料,板厂不用替你猜。

交付资料清单列全:Gerber 全套、NC Drill、叠层结构表、阻抗要求、板材型号与厚度、表面处理方式、丝印装配图、测试点说明。缺一项板厂就来电话,电话费都够买板。

阻抗板记得让板厂出阻抗测试报告,实测值贴着设计值才算数。板子回来第一件事按 DFM 清单反向检查,哪一项设计考虑不周,记录成库,下次设计直接规避。这套清单攒下来就是你的 DFM 手册。你们交付资料被板厂追问过最多次的是哪一项,评论区聊聊。

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Allegro 出图交付与 DFM 实战:和板厂对接的最后一公里

Allegro 出图交付 DFM 实战:工艺能力核对、交付资料清单、阻抗测试报告与板厂沟通要点。

PCB设计PCB设计
Published 9/10
Allegro 出图交付与 DFM 实战:和板厂对接的最后一公里
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