发明名称 Wiring board having via and method forming a via in a wiring board
摘要 A wiring board has a plurality of wiring layers, a first land, a second land, a first via and a second via. The first land and the second land are formed on at least one wiring layer of the wiring board and are disposed to partially overlap with each other. The first via and the second via are formed in association with the first land and the second land, respectively. The first via and the second via electrically connect a first wiring layer and a second wiring layer of the plurality of wiring layers to each other. The wiring board has a separator that is formed by a hole that separates the first land and the second land from each other.
申请公布号 US8604357(B2) 申请公布日期 2013.12.10
申请号 US20090501044 申请日期 2009.07.10
申请人 TAKEDA TSUTOMU;NEC CORPORATION 发明人 TAKEDA TSUTOMU
分类号 H05K3/42;H05K1/11;H05K3/30 主分类号 H05K3/42
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