Patent ID: 9627312
Date: 2017-04-18
CPC Classifications: H01L

Claim:
1. An on-chip capacitor, comprising: a semiconductive substrate including an active surface and a backside surface; a back-end metallization disposed upon the active surface; a passivation structure disposed upon the back-end metallization, wherein the passivation structure includes: wherein (a) the capacitor first dielectric layer and the capacitor second dielectric layer have the same qualitative chemistries, (b) the first via contacts and penetrates the first electrode and the second via contacts and penetrates the third electrode, (c) the fourth electrode is coplanar with the first electrode and is contacted by the second via, (d) the second electrode is a floater, (e) the fifth electrode is coplanar with the third electrode and contacted by the first via, and (f) the second electrode is above the first electrode and below the third electrode.