Checking for complete etching
The best way to check for full etching of the copper is to hold the PCB up to a light. This is a very old piece of SRBP (synthetic resin-bonded paper) board, and the light shows through brown. Newer fibreglass boards are greyish in colour.
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Uploaded on September 8, 2008
Taken on September 3, 2008
Checking for complete etching
The best way to check for full etching of the copper is to hold the PCB up to a light. This is a very old piece of SRBP (synthetic resin-bonded paper) board, and the light shows through brown. Newer fibreglass boards are greyish in colour.
1,150
views
0
faves
0
comments
Uploaded on September 8, 2008
Taken on September 3, 2008