Patent ID: 9093164
Filing Date: 2015-07-28
Classification: G11C,H01H,H01L

Abstract:
1. A metal fuse structure comprising: a first dielectric layer having a metal feature embedded therein, the metal feature having an upper surface; a second dielectric layer above the first dielectric layer having a first metal connector embedded therein, the first metal connector comprising a first via and a first line above the first via, the first via is in direct contact with and extends between the upper surface of the metal feature and the first line, and the first via is the only electrical connection between the metal feature and the first line; and a third dielectric layer above the second dielectric layer having a second metal connector embedded therein, the second metal connector comprising a second via, a third via and a second line above both the second via and the third via, the second via and the third via are in electrical contact with the first line and extend between the first line and the second line, and the second via and the third via are the only electrical connections between the first line and the second line.