发明名称 Through Via Structure and Method
摘要 A device comprises a via in a substrate comprising a lower via portion with a first width formed of a first conductive material and an upper via portion with a second width greater than the first width, wherein the upper via portion comprises a protection layer formed of the first conductive material and a via fill material portion formed of a second conductive material.
申请公布号 US2016071765(A1) 申请公布日期 2016.03.10
申请号 US201414478391 申请日期 2014.09.05
申请人 Taiwan Semiconductor Manufacturing Company, Ltd. 发明人 Lin Yung-Chi;Chang Hung-Pin;Wu Tsang-Jiuh;Chiou Wen-Chih
分类号 H01L21/768;H01L21/306;H01L21/308;H01L27/088;H01L21/8238;H01L21/8234;H01L29/78;H01L23/538;H01L27/092 主分类号 H01L21/768
代理机构 代理人
主权项 1. A device comprising: a via in a substrate comprising: a lower via portion with a first width formed of a first conductive material; andan upper via portion with a second width greater than the first width, wherein the upper via portion comprises: a protection layer formed of the first conductive material; anda via fill material portion formed of a second conductive material.
地址 Hsin-Chu TW