Semiconductor magnetic sensor

Details Semiconductor magnetic sensor Semiconductor magnetic sensor

2007-12-19

2008-12-02

LeDynh, Bot (Department: 2862)

Electricity: measuring and testing

Magnetic

Magnetometers

C324S207200, C324S249000, C324S252000, C257S421000

Reexamination Certificate

active

07459906

ABSTRACT:
To detect a magnetic flux density of a magnetic field applied from an outside, a semiconductor magnetic sensor of the present invention includes: a transistor (MP101) formed on a side of one, side of a hall element (100), for driving the hall element (100), the transistor (MP101) having a drain connected to a terminal (C101) formed on the one side; a transistor (MP102) formed on the side of the one side and having a drain connected to a terminal (C102) formed on the one side; a transistor (MN101) formed on a side of another side opposite to the one side and having a drain connected to a terminal (C103) formed on the another side; a transistor (MN102) formed on the side of the another side and having a drain connected to a terminal (C104) formed on the another side.

REFERENCES:
patent: 4739264 (1988-04-01), Kamiya et al.
patent: 5406202 (1995-04-01), Mehrgardt et al.
patent: 5742080 (1998-04-01), Baranochnikov et al.
patent: 6643111 (2003-11-01), Motz et al.
patent: 6825709 (2004-11-01), Motz

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