发明名称 THICK BOND PAD FOR CHIP WITH CAVITY PACKAGE
摘要 Disclosed herein a method, including depositing a silicon nitride layer over an inter layer dielectric (ILD); depositing a first conductive layer having a first thickness; forming a mask over a first portion of the first conductive layer to expose a second portion of the first conductive layer; etching the first conductive layer; etching the silicon nitride layer with a fluorine-based etch; and depositing a second conductive layer having a second thickness.
申请公布号 US2015221698(A1) 申请公布日期 2015.08.06
申请号 US201514688215 申请日期 2015.04.16
申请人 International Business Machines Corporation 发明人 Gambino Jeffrey P.;Leidy Robert K.;Rassel Richard J.
分类号 H01L27/146;H01L21/768 主分类号 H01L27/146
代理机构 代理人
主权项 1. A method, comprising: depositing a silicon nitride layer over an inter layer dielectric (ILD); depositing a first conductive layer having a first thickness; forming a mask over a first portion of the first conductive layer to expose a second portion of the first conductive layer; etching the first conductive layer; etching the silicon nitride layer with a fluorine-based etch; and depositing a second conductive layer having a second thickness.
地址 Armonk NY US