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 This shows a small piece
of one layer of a Printed Circuit board
at the Gerber™ level.
Sometimes a customer has
access to these Gerbers™ but not
the schematic or the Printed Circuit Board database.
If changes are required, but are not
too extensive, it is possible to make such changes at this Gerber™
level. We can perform these edits and give the customer back a new
set of Gerbers™. Please note that these new Gerbers™ will not
reflect the original schematic. If you want to create a new database
please see Reverse Engineering.
Nowadays the lines and
circular pads are made on the actual board by covering the board
material with a photosensitive etch resist material and then. in the
dark, the board is subjected to a laser beam which draws the
pattern. The photosensitive material is then developed and when the
unaffected parts are washed away, the required pattern is left. This
pattern then prevents the etching fluid from removing the copper
where we want to keep it. The board is then put in the etching
liquid and the copper is removed. The remains of the photo resist
are
removed and the result is the pattern you see here as copper on the
board.
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