Patent · US Active

Capacitive sensing structure with embedded acoustic channels

US9809451B2 · kind B2 · utility

2Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2015
Grant dateNov 7, 2017
Priority date
Expiry dateNov 16, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10N30/308
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

A MEMS device includes a dual membrane, an electrode, and an interconnecting structure. The dual membrane has a top membrane and a bottom membrane. The bottom membrane is positioned between the top membrane and the electrode and the interconnecting structure defines a spacing between the top membrane and the bottom membrane.

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