发明名称 SEMICONDUCTOR DEVICE HAVING A BUFFER LAYER AND METHOD OF MANUFACTURING THE SAME
摘要 A semiconductor device and method for manufacturing the same are provided. A metal pad can be electrically connected to metal interconnections in a lower portion of the device. A passivation layer can be provided and can exposes a portion of the metal pad, and a buffer layer can be formed on lateral sides of the passivation layer.
申请公布号 US2014246774(A1) 申请公布日期 2014.09.04
申请号 US201313832038 申请日期 2013.03.15
申请人 DONGBU HITEK CO., LTD. 发明人 CHOI Nam Gon
分类号 H01L23/498;H01L21/50 主分类号 H01L23/498
代理机构 代理人
主权项 1. A semiconductor device, comprising: a metal pad electrically connected to metal interconnections in a lower portion of the semiconductor device; a passivation layer exposing a portion of the metal pad wherein the passivation layer is formed in a step shape with oblique lateral sides; and a buffer layer formed on the lateral sides of the passivation layer.
地址 Seoul KR