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Soldermask: it's not just green anymore whether it's to identify revision changes or to look trendy in a see-through box, soldermask is taking on a rainbow of colors. But your processes will have to change with the hues.(Coatings)

Printed Circuit Design & Manufacture

| March 01, 2005 | Williams, Jody | COPYRIGHT 2005 UP Media Group, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

For a seemingly endless time, soldermask has been green and only green. But all that has started to change.

If you're wondering why anyone would even bother using a soldermask of a different color, here's one example of a reason for using a variety of colors. It was 1997 in the lobby of the headquarters of Apple Computer. Jack Evans of Marcel Electronics and one of Apple's commodity managers were comparing soldermask samples with the colored banners hanging from the rafters. The challenge was to produce printed circuit boards that would match the colors of the new Apple iMac whose new look put a dent in the design world from that day forward.

Since then ...

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