Magnetic field sensor comprising a spin-tunnel junction
AssigneeKoninklijke Philips Electronics N.V.
InventorsJacobus J. M. Ruigrok, Reinder Coehoorn, Pieter J. Van Der Zaag
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Abstract
A magnetic field sensor comprises a transducer element, which: transducer element is a Spin Tunnel Junction, comprising a first and second magnetic layer which are sandwiched about an interposed electrical insulator layer; the sensor comprises a yoke having two arms; and the first magnetic layer is in direct contact with a first portion of a first arm of the yoke.
Claims12
A magnetic field sensor comprising (1) a Spin Tunnel Junction transducer element comprising a first magnetic layer and a second magnetic layer sandwiched about an interposed electrical insulator layer and (2) a magnetic yoke comprising a first arm and a second arm, the first arm and the second arm being separated from each other, at one end, by a narrow gap, a first portion of the first arm constituting the first magnetic layer of the Spin Tunnel Junction transducer element.
A magnetic field sensor comprising a spin tunnel junction transducer element comprising a first magnetic layer and a second magnetic layer sandwiched about an interposed electrical insulating layer and, a magnetic yoke comprising a first arm and a second arm, the first arm and the second arm being separated from each other, at one end, by a narrow gap, the first arm having, at another end, a portion in direct contact with one of the two magnetic layers of said spin tunnel junction transducer element.
Dependencies are inferred from the claim text.