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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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