发明名称 Modified via bottom for beol via efuse
摘要 An electronic fuse structure including an Mx level including a first Mx metal, a second Mx metal, and an Mx cap dielectric above of the first and second Mx metal, an Mx+1 level above the Mx level, the Mx+1 level including an Mx+1 metal and a via electrically connecting the Mx metal to the Mx+1 metal in a vertical orientation, and a nano-pillar located within the via and above the second Mx metal.
申请公布号 US9324655(B2) 申请公布日期 2016.04.26
申请号 US201414520390 申请日期 2014.10.22
申请人 GLOBALFOUNDRIES INC. 发明人 Bao Junjing;Bonilla Griselda;Choi Samuel S.;Filippi Ronald G.;Lustig Naftali E.;Simon Andrew H.
分类号 H01L23/52;H01L21/76;H01L29/00;H01L23/525;H01L23/522;H01L21/768 主分类号 H01L23/52
代理机构 Roberts Mlotkowski Safran & Cole, P.C. 代理人 Ivers Catherine;Calderon Andrew M.;Roberts Mlotkowski Safran & Cole, P.C.
主权项 1. An electronic fuse structure, the structure comprising: an Mx level comprising a first Mx metal, a second Mx metal, and an Mx cap dielectric above of the first and second Mx metal; an Mx+1 level above the Mx level, the Mx+1 level comprising an Mx+1 metal and a via electrically connecting the second Mx metal to the Mx+1 metal in a vertical orientation; and a nano-pillar comprising etched portions of the Mx cap dielectric located within the via and above the second Mx metal.
地址 Grand Cayman KY