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US 10,453,480 B1Granted
Selectable readers for improvements in yield, reliability and performance
AssigneeSeagate Technology LLC
InventorsVictor Sapozhnikov, Mohammed Shariat Ullah Patwari, Jason B Gadbois, Taras Grigorievich Pokhil
Life of this patent
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Abstract
A method of forming a read head. The method includes forming first and second read sensors. A first read measurement is performed on a storage medium using the first read sensor. A second read measurement is performed on the storage medium using the second read sensor. Based on a comparison of the first and second read measurements to a predetermined quantity, either the first read sensor or the second read sensor is selected to be operational in a data storage device.
Claims4
A data storage device comprising:
- one or more data storage media;
- at least one read transducer having a plurality of read sensors of differing geometries, wherein the differing geometries are different widths or different stripe heights for each of the different ones of the plurality of read sensors, with only one of the plurality of read sensors being operational to read data stored on the one or more data storage media and the other ones of the plurality of read sensors being non-operational in the data storage device;
- and
- an interconnect assembly comprising a generic trace coupled to the one of the plurality of read sensors that is operational to read the data stored on the one or more data storage media, wherein the other ones of the plurality of read sensors that are non-operational in the data storage device have no trace connections.
1 more element
Dependencies are inferred from the claim text.