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How to induce non uniform thickness in electroless plating?




Hi,

Electroless usually coats a uniform thickness film. I would like to know how can able to create non uniform? Thanks in advance

Man Abedini
student - Iran
February 3, 2010


Hi, Man. Please don't play your cards so close to your chest or you'll either receive no answers, or non-helpful answers, or endless questions :-)

Take the time to explain what you are trying to do. Thanks.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
February , 2010


If you want a heavier build up on the edges, preplate it with sulfamate nickel and follow immediately with the EN for corrosion resistance.
Play with the amps per sq ft to find the range that gives you the desired buildup.Years ago, we did this on copper heat sink fins where the customer wanted a bulbous leading edge buildup. We enhanced this by moving that portion of the rack closer to the anode.

James Watts
- Navarre, Florida
February 3, 2010




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