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Sanmina-SCI First to License Design and Fabrication Rights to Nortel Networks Channel Routing Technology
February 10, 2004 |Estimated reading time: 1 minute
San Jose, Calif. — Sanmina-SCI Corp. has become the first company to enter a worldwide licensing agreement under Nortel Networks "Channel Routing" Technology Licensing Program, authorizing it to both design and manufacture printed circuit boards using Nortel Networks' patented Channel Routing technology.
Channel Routing allows designers the opportunity to improve the routability of signals out of dense array packages and potentially reduce the number of layers required to interconnect components. The technology will be used by Nortel Networks designers in next-generation systems and is expected to gain wide acceptance at other major OEMs around the world who recognize the challenges they will face in routing designs using high pin count BGAs and other dense array packages.
With this license, Sanmina-SCI is immediately able to offer Channel Routing to all of its board layout and PCB customers. Channel Routing is an algorithm that uses blind vias and/or microvias to open up routing channels in dense array packages allowing for improved wiring density. A software layout tool, licensed from Nortel Networks, works with Sanmina-SCI's current ECAD tool to allow for auto-routing of designs with high I/O array packages, such as BGAs, speeding up the design process.
Dense area array packages for high-end servers and switches are starting to push 2,000 I/O on 1-mm pitch, increasing PCB layer count. Channel Routing reportedly allows designers the potential to reduce the layer count by two to six layers, keeping the overall thickness within tolerance and improving yields. This process involves the cost of laser-drilled microvias, but still yields a net cost savings.
Sanmina-SCI Corp. is a leading electronics contract manufacturer serving the fastest-growing segments of the global electronics manufacturing services (EMS) market. For more information, visit www.sanmina-sci.com.