Patent ID: 11932534
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Micro-structural and nano-technology (Chemistry)
Classification: CPC B  G  H | IPC B  H

Claim 7:
8. A microelectromechanical system (MEMS) device, comprising:
a metallization structure disposed over a first semiconductor substrate, wherein the metallization structure comprises a conductive interconnect structure disposed in an interlayer dielectric (ILD) structure, wherein the ILD structure has a first portion overlying a second portion, and wherein the first portion of the ILD structure overhangs a first sidewall of the second portion of the ILD structure;
a cavity disposed in the metallization structure, wherein the cavity is disposed laterally between the first sidewall of the second portion of the ILD structure and a second sidewall of the second portion of the ILD structure opposite the first sidewall of the second portion of the ILD structure; and
a second semiconductor substrate disposed over the metallization structure, wherein the second semiconductor substrate comprises a movable element disposed laterally between the first sidewall of the second portion of the ILD structure and the second sidewall of the second portion of the ILD structure.