发明名称 Method and mechanism for performing clearance-based zoning
摘要 A method and mechanism is disclosed for identifying spacing and clearance based rule violations in an IC design. Shadows are employed to identify spacing and clearance based rule violations. The shadow approach of is particularly useful to identify width-dependent spacing and clearance violations, while avoiding false positives that exist with alternate approaches. The embodiments can be used with any type, configuration, or shape of layout objects.
申请公布号 US7904862(B2) 申请公布日期 2011.03.08
申请号 US20070964676 申请日期 2007.12.26
申请人 CADENCE DESIGN SYSTEMS, INC. 发明人 NEQUIST ERIC
分类号 G06F17/50 主分类号 G06F17/50
代理机构 代理人
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