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Copper seen on the upper side for high DC currents

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gaby_chispas 4 years ago

Hello, I am making a power PCB (45A in DC). I need the copper on the top and bottom to be seen without a mask. To tin or put a copper bar on top for more current. Another question would be if it is advisable to insert vias on the top and botoom pcb for a greater current. Thank you.

Chrome 80.0.3987.149 Windows 10 EasyEDA 6.3.22

Comments

andyfierman 4 years ago

Select the tracks. Click the Expose Copper button. The easiest way to explain about using vias to increase current carrying capacity is like this: Vias are only helpful if they are filled otherwise the hole takes away more copper than the via through plating adds. Vias in EasyEDA are covered in solder mask anyway and the is no option to uncover them so they will not fill. Pads are not covered. If you want to use the idea of vias then create and place small pads of the same dimensions as the vias you wish to place.

Chrome 80.0.3987.117 AndroidOS 9 EasyEDA 6.3.22

gaby_chispas 4 years ago

Ok, thank you very much for your reply. ``` But I need to put "Expose cooper" in a copper area. The option of Expose Copper button when I select "Cooper Area" Thank you. ```

Electron 3.0.11 Windows 10 EasyEDA 6.3.22

andyfierman 4 years ago

You can't do Expose Copper for a Copper Area. Try using the Solid Region tool or use wider tracks. ![image.png](//image.easyeda.com/pullimage/HeVZCUouHY4HlQ9wUtYlyAgC9cr3omTPkH523XWK.png) then the Solid Region will be exposed.

Chrome 80.0.3987.87 Ubuntu EasyEDA 6.3.22

gaby_chispas 4 years ago

thanks friends, Problem solved. best regards

Electron 3.0.11 Windows 10 EasyEDA 6.3.22

你现在访问的是EasyEDA海外版，建议访问速度更快的国内版 https://lceda.cn(需要重新注册)
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程，下载后在https://lceda.cn/editor 打开保存即可。
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