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Step 13Draw around the pads with a sharp instrument
After you have marked the positions of the ic pads, and removed the ic, there will invariably be a few spots where the resist has rubbed off.
Repair them with a dab of the same stuff, and continue on to the next step: outlining the pads.
Use a clear transparent ruler and something with a sharp point to draw the outline of the pads. Refer to the layout you have prepared earlier.
You should think of separating point A from point B by drawing a line between them.
The conventional approach is to link point A to point B by drawing a line connecting them.
My approach helps to keep the maximum amount of copper on board, and minimises the amount of material to be removed.
This is important, otherwise the etching process will be too slow.
Repair them with a dab of the same stuff, and continue on to the next step: outlining the pads.
Use a clear transparent ruler and something with a sharp point to draw the outline of the pads. Refer to the layout you have prepared earlier.
You should think of separating point A from point B by drawing a line between them.
The conventional approach is to link point A to point B by drawing a line connecting them.
My approach helps to keep the maximum amount of copper on board, and minimises the amount of material to be removed.
This is important, otherwise the etching process will be too slow.
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