Contents
Two Methods to Make PCB
Glossy paper Method.
Making circuits by hand on PCB.
Materials Required:
Laser printer
Iron
Copper covered cover
Engraving solution
Scrub
Thinner
Plastic wire
Glossed paper
Blade cutter
Basic Steps Before Making a PCB
Make a printout of the PCB layout with the help of laser and glossed paper and make the printout on the glossy side of the form.
Cut the board covered with the copper equivalent in size of the layout.
Use a sponge scrub to smoothen the copper sides of the PCB.
Shift the PCB print to the copper plate.
Detailed Introduction
Glossy Paper Method
- Shift the image on the photo paper to the board by placing the copper surface on the printed layout.
2. Use tape to fix the board and print paper accurately on their allocated positions.
Hand –Made Circuit on PCB
Draw a rough sketch on the copper plate with a lead pencil and later trace it with the help of a marker.
Iron the circuit on the PCB plate with the image towards the copper side.
With the help of pliers, hold one end, put a hot iron on the other end, and continue to iron the whole paper with some pressure.
Iron heat will make the ink print the image on the copper plate from the glossy paper.
Once ironing is done, place the printed plate in lukewarm water; you will see the paper dissolving into water.
Remove the paper gently.
Now comes the time to etch the plate, which requires much care.
Dissolve 2 to 3 teaspoons of Ferric Chloride powder in water and dip the PCB into the solution for 30 minutes.
FeCl3 reacts with copper, and unwanted copper gets removed from PCB. Cu +FeCl3 = CuCl3 + Fe
Wait for two minutes till the whole copper is removed.
Last but not least came the final steps of disposing of the adhesive solution as it is pretty destructive in its pure form, so it is better to dispose of it after diluting the solution with water.
Use thinner to eliminate excessive ink on the plate, exposing the copper surface.
Make holes with the help of a drill and fix all the components to the board.
For a typical green look, use solder-resistant paint on the PCB lacquer.
Your homemade PCB is ready to fix and install in any place of requirement.
Precautions
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Conclusion
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