MEMS sensor with particle filter and method for producing it
US12415719B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2021 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Dec 19, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/003
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
The semiconductor device includes a microelectromechanical system (MEMS) chip having a first main surface and a second main surface situated opposite the first main surface, a first glass-based substrate, on which the MEMS chip is arranged by its first main surface, and a second substrate, which is arranged on the second main surface of the MEMS chip, wherein the MEMS chip has a first recess connected to the surroundings by way of a plurality of perforation holes arranged in the first substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.