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Allegro DRC检查与Gerber输出实战:出图前的最后一道防线

PCB设计
PCB设计
Pub 9/7Upd 9/7
32

Gerber 出图是设计转制造的最后一步,也是最容易出幺蛾子的环节。我在量产前固定跑一遍下面的检查流程:

  • DRC 全查:进入 Analysis Modes,把制造、电气、间距相关检查全部打开再跑一次,重点看 Ratstnest(未布线)与 Shape 网络间距冲突。
  • 光绘设置:Film 按层定义,注意负片(Negative)层别选择、孔径表(Aperture)自动生成后核对,Artwork 输出顺序与板厂要求一致。
  • 钻孔文件:NC Drill 格式(Excellon)、单位与零抑制设置、槽孔单独一层输出,和光绘文件做层对齐检查。
  • 网表比对:用 IPC-D-356 网表与原理图比对,杜绝多一根线、少一根线的低级事故。

实战提醒:板框层一定放在最前面并锁定,防止最后误动;丝印与阻焊开窗在出图前用颜色显示整体过一眼,很多外观问题在这里就能发现。出图清单宁可多核对一遍,也别让板厂打电话来问。

 

你们遇到过最奇怪的 Gerber 事故是什么?跟帖聊聊。

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Allegro DRC检查与Gerber输出实战:出图前的最后一道防线

从DRC Analysis Modes到光绘设置、钻孔文件,梳理出图清单与常见报错,把制造风险挡在发板前。

PCB设计PCB设计
Published 9/7Updated 9/7
Allegro DRC检查与Gerber输出实战:出图前的最后一道防线
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