Boots – shoes – and leggings
Patent
1989-06-29
1992-03-17
Lall, Parshotam S.
Boots, shoes, and leggings
364490, 364489, 364488, G06F 1560
Patent
active
050974220
ABSTRACT:
A method and apparatus for determining integrated circuit layouts from a virtual circuit description and specification of a technology. Starting with high-level descriptions of a circuit, a virtual geometric description of the circuit is developed using a virtual grid described in terms of reference points relative to a substrate surface. The relationships among the reference points are expressed as fractions of variables that can also be used to define the design rules. When the technology is specified, the relationships among the reference points is determined, as in the layout of the integrated circuit.
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Corbin, II Ludlow V.
Danielson Steven G.
Oettel Richard E.
Rossman Mark E.
Thiele James E.
Cascade Design Automation Corporation
Lall Parshotam S.
Trans V. N.
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