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Mind Map
by
08sarginson_re
, created
more than 1 year ago
Electronics Mind Map on PCB manufacture, created by 08sarginson_re on 29/04/2013.
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electronics
electronics
Created by
08sarginson_re
over 11 years ago
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61285
mind_map
2016-02-19T07:09:32Z
PCB manufacture
Photo-etch
method
1. draw the
circuit on to
a mask
2. The mask is then
placed on the
board, which has a
thin coating of
copper, and the
circuit diagram
transferred onto the
board using an
etch-resist.
3. The circuit is
then etched
onto the board
using ferric
chloride in an
etching tank.
alternatively,
a
photosensitive
board
is
covered
by
the
mask
and
then
exposed
to
light.
4. Next, a small
PCB drill is used
to drill out the
centre of the
pads
5. the
components are
pushed through
the board and
soldered in
place.
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61285
mind_map
2016-02-19T07:09:32Z
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