High carrier velocity magnetic sensor

Details High carrier velocity magnetic sensor High carrier velocity magnetic sensor

1975-05-14

1976-12-14

Wojciechowicz, Edward J.

H01L 2722

Patent

active

039979091

ABSTRACT:
A semi-conductive magnetic flux sensor is disclosed in which semi-conductive material having a resistance on the order of at least 500 ohms per square is placed in a lateral electric field of at least 500 volts per centimeter. A signal probe or contact located between the two lateral field contacts produces an output voltage when the sensor is subjected to magnetic fields having at least some component perpendicular to the plane of the three contacts. The device is highly sensitive and yields approximately one order of magnitude higher signal output than conventional Hall type semi-conductive magnetic sensors.

REFERENCES:
physical Review - vol. 157 No. 3, 5-15-67 -
IBM Tech. Bul. - vol. 12, No. 1, 6-1969 - Gardner et al.

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