PCB打样双面或多层板，Layout布线请不要把“支持单面板”的选项勾选，会导致PAD焊盘孔无铜（NPTH）
设置--层定义--电气层--“支持单面板”

下图是正确的设置不勾选“支持单面板”的选项   PCB打样QQ 800058721
案例1


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-43-38/00928db5-42b2-45ea-9c33-3a40cbb50f56.png


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-44-12/18c9aadf-01cd-41a6-9131-7fe962975630.png
案例2


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-45-36/56a23e98-7080-4ace-9a93-7c107f8236e0.png


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-46-05/612e2a01-b68f-4d2d-945f-0bc654ca644c.png
下图是错误的设置勾选“支持单面板”的选项
案例1


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-47-00/d00f18ab-1df1-4a0a-af21-e6ca3dd86b01.png


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-47-27/14ba33e7-08f3-4d16-a5a7-9e172b632223.png
案例2


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-48-20/6213eaf3-b5a1-43e0-beaa-278272635620.png


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-48-42/947c410b-fdb3-4b1d-b9b7-9334d213d909.png


IMAGE: http://https://www.sz-jlc.com/pictures/2019-07-13-17-49-01/8348a12a-828f-4ded-a62f-19740bdb2b0d.png

以上设计大家一定要避免，要引以为戒。