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 |