Making PCBs with CNC

Making PCBs with CNC

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Rui written an article on how to build your own PCBs using a CNC machine. Rui Cabral writes:

The PCB manufacturing method i used before buying my CNC machine was the lithography method and worked as follows:

First i printed the board design on an acetate sheet.

This sheet was placed over a pcb with a light sensitive coat and placed under UV light for several minutes.

The pcb was then immersed in a solution of caustic soda to remove the photo sensitive material that was “damaged” with the UV light.

The pcb was then immersed in a Ferric Chloride solution to remove the copper.

After the copper being removed i then washed the pcb to remove the chemicals and then i needed to cut the plate and finally drill the pads.

Making PCBs with CNC – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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