Sensor accommodated in a housing
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United States of America Patent
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-
Jun 15, 2004
Grant Date -
N/A
app pub date -
May 14, 2002
filing date -
Nov 30, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A sensor is described for measuring the parameters of a fluid, in particular for detecting substances in a gas. It comprises a measuring section (4) on a semiconductor chip (1), which is protected by a housing (3). A partition wall (12) of the housing (3) divides the semiconductor chip (1) into two parts (1a, 1b). The first part (1a) is connected to the outside by means of openings in the housing and carries the measuring section. The second part (1b) is covered by a hardened sealing material (11). The sealing material (11) protects the semiconductor chip (1) from undesired environmental influences. The dividing wall (12) forms a capillary between the chip and the housing, the capillary action of which draws in the sealing material and the end of which stops the sealing material.
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