Pressure transducer
AssigneeSchoppe & Faeser GmbH
InventorsHorst Obermeier, Emrullah Altiok
Life of this patent
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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.
Claims7
Pressure transducer including a rotationally symmetrical pressure sensor made of a ceramic material and having an axially facing front face configured as a membrane;
- a housing for and containing the pressure sensor, the housing having a rotationally symmetrical base part and a pot-like portion with side walls gripping around the base part,
- and a sealing ring being interposed between the membrane of the pressure sensor and the base part of the housing, the improvement comprising:
- a glass layer covering at least a portion of the membrane facing the base part of the housing and axially sealingly engaging said sealing ring, and separating the sealing ring from the membrane.
Dependencies are inferred from the claim text.