Pressure sensor having sensor chip and signal processing...

Details Pressure sensor having sensor chip and signal processing... Pressure sensor having sensor chip and signal processing...

2006-05-02

2006-05-02

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

Electrical

Reexamination Certificate

active

07036383

ABSTRACT:
A pressure sensor for detecting a pressure such as a brake oil pressure in an automobile is composed of a cylindrical stem, a sensor chip and a circuit board for processing an electrical signal from the sensor chip. The cylindrical stem includes a thin diaphragm formed at an axial end and an opening formed at the other axial end. The sensor chip is mounted on the diaphragm, and the circuit board is mounted on a flat side surface formed on the outer periphery of the cylindrical stem so that the circuit board is positioned perpendicularly to the sensor chip, thereby reducing a size of the pressure sensor in the radial direction of the stem. The pressure to be detected is introduced into the cylindrical stem from its opening, and the pressure is detected by the sensor chip mounted on the diaphragm.

REFERENCES:
patent: 2005/0056097 (2005-03-01), Banholzer et al.
patent: 1 118 849 (2001-07-01), None
patent: A-H10-90096 (1998-04-01), None
patent: A-H11-328545 (1998-04-01), None
patent: 411207085 (1999-08-01), None

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