Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1974-09-06
1976-08-03
Corcoran, Robert J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
340174HA, G01R 3306
Patent
active
039731820
ABSTRACT:
The invention disclosed provides a semiconductor device and method whereby an inverted magnetic field such as a magnetic bubble is detected by placing one part of the semiconductor device comprising at least one Hall element having two input electrodes at opposite ends and at least one Hall output electrode in an inverted magnetic field, providing a current in the semiconductor device across said two input electrodes, and detecting the electrical voltage of the at least one Hall output electrode, and determining the inverted magnetic field position by changes in the electrical voltage of the Hall output electrode.
REFERENCES:
patent: 3003105 (1961-10-01), Kostyshyn
patent: 3701126 (1972-10-01), Reichard
Bobeck, The Magnetic Bubble, Bell Lab Record, vol. 48, July 1970, pp. 162-169.
Strauss, Detection of Cylindrical Magnetic Domains, Jour. of App. Physics, vol. 42, No. 4, Mar. 1971, pp. 1251-1257.
Kataoka et al., Semiconductor Functional Arrayed Detector, Proc. of IEEE, Apr. 1972, pp. 461-462, vol. 60, No. 4.
Agency of Industrial Science & Technology
Corcoran Robert J.
Kelman Kurt
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