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US 8,488,272 B1Granted
Magnetic recording transducer having side shields
AssigneeWestern Digital (Fremont), LLC
InventorsUt Tran, Zhigang Bai, Kevin K. Lin
Life of this patent
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Abstract
A magnetic recording transducer includes a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS). The magnetic recording transducer further includes at least one coil having a coil front distal from the ABS, and at least one side shield, the at least one side shield extending from at the ABS to not further than the coil front.
Claims9
A magnetic recording transducer comprising:
- a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS);
- at least one coil having a coil front distal from the ABS;
- at least one side shield, the at least one side shield extending from at the ABS to not further than the coil front;
- and
- wherein the at least one side shield includes a side shield bottom, the main pole includes a main pole bottom, and wherein the side shield bottom is not further from the underlayer than the main pole bottom.
2 more elements
A magnetic recording transducer comprising:
- a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS);
- at least one coil having a coil front distal from the ABS;
- at least one side shield, the at least one side shield extending from at the ABS to not further than the coil front;
- and
- wherein the at least one side shield includes a first side forming a first angle with the underlayer, the main pole includes a second side forming a second angle with the underlayer, the first angle and the second angle being substantially equal.
2 more elements
A disk drive comprising:
- a slider including a magnetic transducer, the magnetic transducer including
- a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS);
- at least one coil having a coil front distal from the ABS;
- at least one side shield, the at least one side shield extending from at the ABS to not further than the coil front;
- and
- at least one nonmagnetic layer substantially surrounding a portion of the main pole, the at least one nonmagnetic layer further including at least one of a planarization stop layer and a nonmagnetic track width adjustment layer.
3 more elements
Dependencies are inferred from the claim text.