Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2005-08-23
2005-08-23
Thompson, A. M. (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C361S748000, C375S356000, C713S503000
Reexamination Certificate
active
06934926
ABSTRACT:
Serpentine trace patterns are used to add length to traces for matching delays to groups of signals on separate transmission pathways on circuit boards. By providing reverse coupling by patterning the traces in concentric fashion, this invention enables closer spacing between adjacent trace segments of the serpentine pattern.
REFERENCES:
patent: 5307381 (1994-04-01), Ahuja
patent: 5784600 (1998-07-01), Doreswamy et al.
patent: 6573757 (2003-06-01), Gallagher
Atlass Michael B.
Starr Mark T.
Thompson A. M.
Unisys Corporation
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