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Dome shape or pointy shape copper pillar electroplating

December 22, 2014

Q. Does anyone have experience with copper pillar electroplating?
I tried to plate dome shape and pointy shape surface copper pillars, and I have seem it on paper which plated dome shape but never seen pointy shape surface. Is it possible to plate point surface copper pillar? I don't know how to start plating dome shape pillars, could anyone share their experience?

Thanks very much.
Kevin

Kevin Lee
- san jose, California, USA

~~electroiq.com/blog/2007/11/thick-copper-pillar-bump-fabrication/~~

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December 2014

Hi Kevin. Is it possible to include a photo, sketch, or dimensions? Sorry, I'm not quite sure what you are trying to do. I think you are talking about "pillar bump" fabrication -- but you'd like the column to be sort of like an obelisk, or with a cone on top, rather than flat-topped?

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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