Adaptive weighting method for layout optimization with...

Details Adaptive weighting method for layout optimization with... Adaptive weighting method for layout optimization with...

2011-02-22

2011-02-22

Siek, Vuthe (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Integrated circuit design processing

Optimization

C716S133000, C716S134000, C716S135000

Reexamination Certificate

active

07895562

ABSTRACT:
An adaptive weighting method for layout optimization differentiates different priorities by assigning the weight of a higher priority (pi) to be multiple of the weight of a lower priority (pi−1) where W(pi)=mi% W(pi−1. To avoid numerical imprecision, this method keeps the total cost in the objective function within a trustable range by scaling the initial weights in the objectives, while maintaining relativity, to produce the scaled weights.

REFERENCES:
patent: 6189132 (2001-02-01), Heng et al.
patent: 7454721 (2008-11-01), Hibbeler et al.
patent: 7487479 (2009-02-01), Malik et al.
patent: 2006/0036561 (2006-02-01), Aladahalli et al.

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