发明名称 Ball grid array with improved single-ended and differential signal performance
摘要 An improved system and method for assigning power and ground pins and single ended or differential signal pairs for a ball grid array semiconductor package. In certain embodiments, the system uses a hexagonal pattern where the grid may be represented by a multiplicity of nested hexagonal patterns.
申请公布号 US8338948(B2) 申请公布日期 2012.12.25
申请号 US20100827693 申请日期 2010.06.30
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 WEEKLY ROGER D.;ZHOU YAPING
分类号 H01L23/48 主分类号 H01L23/48
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