Semiconductor pressure sensor for harsh media application
US10308502B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2017 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Feb 28, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/48137
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A semiconductor pressure sensor assembly for measuring a pressure of an exhaust gas which contains corrosive components, comprising: a first cavity, a pressure sensor comprising first bondpads for electrical interconnection, a CMOS chip comprising second bondpads for electrical interconnection with the pressure sensor, an interconnection module having electrically conductive paths connected via bonding wires to the pressure sensor and to the CMOS chip; the interconnection module being a substrate with corrosion-resistant metal tracks, wherein the CMOS chip and part of the interconnection module are encapsulated by a plastic package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.