Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Reexamination Certificate
2005-05-10
2005-05-10
Reichard, Dean A. (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
C361S303000, C361S305000, C361S283100, C361S283300, C361S290000, C361S291000
Reexamination Certificate
active
06891711
ABSTRACT:
An ultra miniature high temperature capacitive inductive pressure transducer is fabricated by MEMS techniques. The transducer consists of two separated pieces of silicon which form the plates of the capacitor, one of which plate is micromachined in such a way to allow a controlled deflection with pressure. The gap between the two capacitive plates is determined by an extending rim on one of the two plates. The two pieces of silicon are subsequently fusion bonded, leading a very small gap between the two plates. An inductor is formed on the top surface of one of the pieces of silicon by sputtering metal in a spiral like fashion on the back side of the non-micromachined plate.
REFERENCES:
patent: 3748571 (1973-07-01), Kurtz
patent: 4814845 (1989-03-01), Kurtz
patent: 5099386 (1992-03-01), Stokes et al.
patent: 5955771 (1999-09-01), Kurtz et al.
patent: 5973590 (1999-10-01), Kurtz et al.
patent: 6210989 (2001-04-01), Kurtz et al.
patent: 6252759 (2001-06-01), Lange et al.
patent: 6606235 (2003-08-01), Chua et al.
patent: 6690569 (2004-02-01), Mayer et al.
patent: 6781814 (2004-08-01), Greene
Ha Nguyen T.
Kulite Semiconductor Products Inc.
Plevy Howard & Darcy PC
Reichard Dean A.
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