发明名称 Wafer via formation
摘要 A method of electrically-conductive via formation in a fully processed wafer involves defining at least one trench area on a backside of the fully processed wafer, forming at least one trench within the trench area to an overall depth that will allow for a via formed within the trench to be seeded over its full length, forming the via within the trench into the fully processed wafer to a predetermined depth, depositing a seed layer over the full length of the via, and plating the seed layer to fill the via with an electrically-conductive metal.
申请公布号 US7871927(B2) 申请公布日期 2011.01.18
申请号 US20070872083 申请日期 2007.10.15
申请人 CUFER ASSET LTD. L.L.C. 发明人 TREZZA JOHN
分类号 H01L21/445 主分类号 H01L21/445
代理机构 代理人
主权项
地址