发明申请
US20090159326A1 S-TURN VIA AND METHOD FOR REDUCING SIGNAL LOSS IN DOUBLE-SIDED PRINTED WIRING BOARDS
审中-公开
S-TURN通风及减少双面印刷线路信号损失的方法
- 专利标题: S-TURN VIA AND METHOD FOR REDUCING SIGNAL LOSS IN DOUBLE-SIDED PRINTED WIRING BOARDS
- 专利标题(中): S-TURN通风及减少双面印刷线路信号损失的方法
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申请号: US11960398申请日: 2007-12-19
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公开(公告)号: US20090159326A1公开(公告)日: 2009-06-25
- 发明人: Richard Mellitz
- 申请人: Richard Mellitz
- 主分类号: H05K1/11
- IPC分类号: H05K1/11 ; G06F17/50
摘要:
Embodiments of the invention include a Printed Wiring Board (PWB) having a first via connected to a top-side signal source, a second via connected to a bottom-side signal destination, and a third via connected to the first via on a lower signal layer of the PWB and further connected to the second via on an upper signal layer of the PWB. In embodiments of the invention, the third via is referred to as an S-Turn via. The S-Turn PWB routing configuration advantageously reduces reflections causes by via stubs at Multi-Giga Hertz (MGH) frequencies. Other embodiments are described.
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