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Step 10Expose the PCB
Once you have all the parts collected, the first electronic step is to etch a circuit board with the attached artwork. This is a 600 DPI image and should print to about an inch by .75" There are lots of instructables and other internet instructions on how to etch circuit boards. The following is a brief overview
1. Print the artwork on transparency film.
2. Remove the black-out film from the copper clad board, and place the transparency film on top.
3. Press the transparency film down onto the copper clad board with a piece of glass or plexiglass. This is important for getting good definition.
4. Expose the board. 5 minutes at six inches away with a 60W desk lamp seems to work, but I prefer 90 seconds from a 500W halogen floodlight.
1. Print the artwork on transparency film.
2. Remove the black-out film from the copper clad board, and place the transparency film on top.
3. Press the transparency film down onto the copper clad board with a piece of glass or plexiglass. This is important for getting good definition.
4. Expose the board. 5 minutes at six inches away with a 60W desk lamp seems to work, but I prefer 90 seconds from a 500W halogen floodlight.
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