What is Channel Routing?
Channel Routing is a patented process used to create additional routing escape paths within a BGA fanout pattern. By creating the additional routing channels, the BGA can be routed with a fewer layers, reducing the overall PCB cost.
    Figure 1  Figure 2
    Figure 1 -- Top Layer Figure 2 -- Inner Layer with Channel Routing
The Channels are created using regular sized vias, that are either laser or mechanically drilled, one or two layers deep, during the normal PCB fabrication process. On subsequent layers, additional routing escape channels have been created.

US Patent # 6,388,890 Among others, plus patents pending in other countries.

For Channel Routing sales and licensing information, contact CopperCAD Sales
(Software Sales).

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