发明授权
- 专利标题: Method for positioning bond pads in a semiconductor die layout
- 专利标题(中): 用于在半导体管芯布局中定位接合焊盘的方法
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申请号: US321643申请日: 1994-10-11
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公开(公告)号: US5498767A公开(公告)日: 1996-03-12
- 发明人: Wyatt A. Huddleston , James J. Casto
- 申请人: Wyatt A. Huddleston , James J. Casto
- 申请人地址: IL Schumburg
- 专利权人: Motorola, Inc.
- 当前专利权人: Motorola, Inc.
- 当前专利权人地址: IL Schumburg
- 主分类号: G06F17/50
- IPC分类号: G06F17/50 ; H01L23/485 ; H01L21/28 ; H01L21/60
摘要:
A process for positioning bond pads around a semiconductor die periphery on an octant basis, taking into account both manufacturing and design limitations. The process positions bond pad centers such that the spacing (pitch) increases towards the die corners. The pitch increase is iteratively calculated from an approximated wire angle. The process iteratively recalculates an octant's pad positions until optimum values are converged upon for the approximated wire angle of the cornermost bond pad and for the furthest allowable position for the cornermost bond pad. Once these optimum values are achieved, the resulting bond pad coordinates are stored in memory or a storage media in a format readable by a layout tool being used to design the die (or package). The resulting file is imported into the layout tool, which uses the stored information to physically position bond pads around the die periphery in the die layout.
公开/授权文献
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