Dynamic magnetic information storage or retrieval – Head – Hall effect
Reexamination Certificate
2006-08-03
2008-12-09
Evans, Jefferson (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Hall effect
Reexamination Certificate
active
07463447
ABSTRACT:
A magnetic field sensor, including an insulating substrate and a conductive thin film deposited on the substrate. The thin film consists of a material having an extraordinary Hall coefficient, the thin film also has a resistivity and a film thickness no greater. than a threshold thickness at which the resistivity is substantially equal to 150% of a bulk resistivity of the material. The sensor also includes conductors coupled to the thin film for injecting a current into the film and measuring a voltage generated across the thin film responsive to the injected current. Devices having other types of thin films, including homogeneous and non-homogeneous films, the films having enhanced extraordinary Hall coefficients, are also provided.
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Evans Jefferson
Ladas & Parry LLP
Ramot at Tel-Aviv University Ltd.
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