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US 5,965,840 AGranted
Magnetoresistive sensor for magnetic storage system
AssigneeSeagate Technology LLC
InventorsSubra Nagarajan, Ramesh Sundaram, Mary Cynthia Hipwell, Clifton H. K. Chang
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Abstract
A magnetoresistive sensor in the magnetic storage device includes a magnetoresistive element for sensing magnetic fields carried on storage medium. A cooling device is thermally coupled to the magnetoresistive element and arranged to conduct heat in a direction away from the magnetoresistive element to thereby cool the magnetoresistive element during normal operation of the storage device.
Claims20
A magnetoresistive sensor for use with a magnetic disc storage device, comprising:
- a substrate;
- an integral magnetoresistive element laminated in the magnetoresistive sensor and carried on the substrate, the magnetoresistive element adapted to receive a sense current i therethrough causing i.sup.2 R heating of the magnetoresistive element, where R is the nominal resistance of the magnetoresistive element;
- sensor conductors coupled to the magnetoresistive element for providing an electrical output related to magnetic flux emanating from the magnetic disc;
- and
- an integral cooling element laminated in the magnetoresistive sensor, the cooling element being thermally coupled to the magnetoresistive element and arranged to conduct heat away from the magnetoresistive element.
2 more elements
A magnetic disc drive system comprising:
- a magnetic disc adapted to store data;
- an actuator arm suitable for positioning relative to a surface of the magnetic disc;
- a load beam coupled to the actuator arm;
- a gimbal coupled to the load beam;
- a hydrodynamic slider adapted to fly over the disc surface and coupled to the gimbal;
- an integral, laminated magnetoresistive sensor adapted to read data from the magnetic disc and supported by the slider, the magnetoresistive sensor comprising:
- a substrate;
- a magnetoresistive element carried on the substrate and adapted to receive a sense current i therethrough causing i.sup.2 R heating of the magnetoresistive element, where R is the nominal resistance of the magnetoresistive element;
- sensor conductors coupled to the magnetoresistive element for providing an electrical output related to magnetic flux emanating from the magnetic disc;
- and
- an integral cooling element laminated in the magnetoresistive sensor, the cooling element being thermally coupled to the magnetoresistive element and arranged to conduct heat away from the magnetoresistive element.
8 more elements
Dependencies are inferred from the claim text.