how to make a printed circuit board
DESCRIPTION
HOW TO MAKE A PRINTED CIRCUIT BOARDTRANSCRIPT
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BY:Jitendra Jangid AUG 2008
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Required materials for PCB
1.) DIP trace software installed PC
2.)Glossy paper
3.)laser printer
4.) Household clothes iron
5.)Copper clad laminate
6.) Etching solution (fecl3)
7.) Kitchen scrubs (iron woolen)
8.) Thinner (e.g. acetone) 2BY:Jitendra Jangid AUG 2008
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Step 1. Make the Schematic Circuit in Dip Trace software
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Step 2. Transfer to board for PCB lay out (top view using software )
4BY:Jitendra Jangid AUG 2008
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5BY:Jitendra Jangid AUG 2008
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Step 3. Save and Print the PCB lay out on Glossy Paper
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Fig: PCB lay out (bottom view) Fig: PCB lay out (top view)
BY:Jitendra Jangid AUG 2008
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Step 4. Use Iron to heat-press the Image onto the copper
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Fig: Removing the oxide layer from copper layer
Fig Heated iron used to transfer the pattern on the PCB
BY:Jitendra Jangid AUG 2008
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After transferring the layout using heated iron
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Fig :Patterned produced by iron from Glossy paper
BY:Jitendra Jangid AUG 2008
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Step 6. Use the Etching process to Remove unwanted copper using fecl3
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Fig : To remove the unwanted copper from PCB
BY:Jitendra Jangid AUG 2008
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Step 7. After the etching we required drilling to mount component
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Fig: hand drill machine
Fig: Automatic drill machine
Fig : PCB after Etching and Drilling
BY:Jitendra Jangid AUG 2008
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Fig: After soldering process Fig: Component mounted on PCB
BY:Jitendra Jangid AUG 2008
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How we can Generate Protective Layer on
PCB
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Protective polyester film
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Put on the PCB
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After placing the photo active foil on PCB than fed into the laminator to transfer green coating on PCB
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After using heated laminator 16BY:Jitendra Jangid AUG 2008
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Exposed to UV light
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Remove photo active foil from PCB
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Use solution to remove green layer from copper contacts using sodium carbonate
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Final Green coated PCB
20BY:Jitendra Jangid AUG 2008