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Method and apparatus for routing

  • US 20040098696A1
  • Filed: 12/31/2002
  • Published: 05/20/2004
  • Est. Priority Date: 11/18/2002
  • Status: Active Grant
First Claim
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1. A method of routing nets in a region of a layout with multiple layers, the method comprising:

  • a) defining a routing graph that has a plurality of nodes on plurality of layers, wherein each node represents a sub-region on a layer, wherein a set of edges exist between the nodes on each layer, wherein a set of edges on one layer are neither orthogonal nor parallel to a set of edges on another layer;

    b) using the routing graph to identify routes.

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