Method and apparatus for routing with independent goals on different layers
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United States of America Patent
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Feb 7, 2012
Grant Date -
Mar 19, 2009
app pub date -
Dec 1, 2008
filing date -
Nov 18, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Some embodiments of the invention provide a method of routing. The method selects a net with a set of routable elements in a multi-layer layout region. In some embodiments, the method identifies a route for the net based on different congestion goals on different layers. In other embodiments, the method identifies a route for the net based on different congestion goals between different layer pairs. In some embodiments, the method identifies a route for the net based on both the different congestion goals on different layers and between different layer pairs.
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