Patent · US Active

MEMS devices

US11470426B2 · kind B2 · utility

0Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2019
Grant dateOct 11, 2022
Priority date
Expiry dateApr 20, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2201/003
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

A micro electrical mechanical systems (MEMS) device includes a flexible membrane disposed over a substrate, and a first backplate disposed over the flexible membrane. The first backplate includes a first plurality of bumps facing the flexible membrane. The MEMS device further includes a plurality of features disposed at the flexible membrane, where each of the plurality of features being associated with a corresponding one of the first plurality of bumps.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.