Insulated IC pressure sensor

Details Insulated IC pressure sensor Insulated IC pressure sensor

2007-11-13

2007-11-13

Allen, Andre J. (Department: 2855)

Measuring and testing

Fluid pressure gauge

Electrical

C073S753000

Reexamination Certificate

active

11480200

ABSTRACT:
An insulated IC pressure sensor comprises a main body, enclosing a chamber, having a hole for letting in fluid pressure of which is to be sensed, a pressure-sensing integrated circuit (IC), placed inside the chamber, and a membrane, placed inside the chamber between the hole and the pressure-sensing IC, tightly sealing the pressure-sensing IC from a remainder of the chamber, creating a sealed space between the pressure-sensing IC and the membrane filled with electrically insulating fluid, so that sensing pressure of electrically conducting fluid will not directly contact and hence not adversely affect the pressure-sensing IC by short-circuits.

REFERENCES:
patent: 5095349 (1992-03-01), Fujii et al.
patent: 5320705 (1994-06-01), Fujii et al.
patent: 6218717 (2001-04-01), Toyoda et al.

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