Pressure transducer
US5174157A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Jun 7, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L9/0075
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A pressure transducer including a rotationally symmetrical pressure sensor made of a ceramic material and having a front face configured as a membrane, further having a housing for and containing the pressure sensor, the housing having a rotationally symmetrical base part and a pot with side walls gripping around the base part, and a sealing ring is interposed between the membrane of the pressure sensor and the base part of the housing, is improved by a glass layer of about 10 .mu.m thickness having been pressure deposited by screen printed for covering at least a portion of the membrane where facing the base part of the housing and being intimately bonded to the sealing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.