Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2008-07-01
2008-07-01
Whitmore, Stacy (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000, C716S030000, C716S030000, C716S030000, C703S002000
Reexamination Certificate
active
07395516
ABSTRACT:
Some embodiments of the invention provide a process for designing and manufacturing an integrated circuit (“IC”). The process selects a wiring configuration and an illumination configuration. The process uses the selected wiring configuration to design an IC layout. The process then uses the selected illumination configuration to manufacture the IC based on the designed IC layout. Some embodiments concurrently select an optimal pair of wiring and illumination configurations. Other embodiments select an illumination configuration based on the selected wiring configuration. Yet other embodiments select a wiring configuration based on the selected illumination configuration. In some embodiments, selecting the illumination configuration entails selecting at least one stepper lens for the IC layout, where the stepper lens illuminates at least one mask for at least one particular layer of the IC layout. In some embodiments, this selection entails selecting a stepper lens for each particular layer of the IC layout. Also, in some embodiments, selecting the wiring configuration entails defining the width and/or spacing of the routes along different directions on at least one particular wiring layer of the IC layout. In some embodiments, this selection entails selecting width and/or spacing of routes along different directions on each particular layer of the IC layout.
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Fujimura Akira
Scheffer Louis K.
Adeli & Tollen LLP
Cadence Design Systems Inc.
Rossoshek Helen
Whitmore Stacy
LandOfFree
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