US Patent 7003754 Routing method and apparatus that use of diagonal routes
Patent 7003754 was granted and assigned to Cadence Design Systems on February, 2006 by the United States Patent and Trademark Office.
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Patent abstract
The invention is directed towards routing method and apparatus. Some embodiments provide a routing method that uses diagonal routes. This method routes several nets within a region of a circuit layout. Each net includes a set of pins in the region. The method initially partitions the region into several sub-regions. For each particular net in the region, the method then identifies a route that connects the sub-regions that contains a pin from the set of pins of the particular net. Some of the identified routes have edges that are at least partially diagonal.
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Patent Inventor Names
Etienne Jacques0
Oscar Buset0
Steven Teig0
Date of Patent
February 21, 2006
0Patent Application Number
100138190
Date Filed
December 7, 2001
0Patent Primary Examiner
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US Patent 7003754 Routing method and apparatus that use of diagonal routes
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