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Article: Getting your multilayer board fabricated: assumptions can be costly, so communication is more critical than ever.(THE SHOP FLOOR)
- Article from:
- Printed Circuit Design & Manufacture
- Article date:
- April 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 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)
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It's important for OEMs and EMS providers to understand the many factors that affect multilayer board fabrication. Multilayer boards once averaged fewer than six layers, but now normally start at four layers and go up to 40 and even more. PCBs currently come in a variety of different sizes, shapes and forms.
The process of fabricating multi-layer boards is more challenging than for single- or double-layer boards simply because multilayers involve many highly definitive steps and processes. There are seven or eight fabrication stages, and each must be properly planned and executed. Each stage has a high probability of having different issues, and each issue has ...