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US 8,576,673 B2Granted
Recording head for heat assisted magnetic recording with a side lobe blocker
AssigneeSeagate Technology LLC
InventorsMark Henry Ostrowski, Jie Zou, Amit Itagi, Kaizhong Gao
Life of this patent
Estimating the term…
Abstract
An apparatus includes a waveguide having a core layer, a near field transducer having an end positioned adjacent to a first surface, a first magnetic pole having an end positioned adjacent to the first surface, and a side lobe blocker adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the first surface.
Claims20
An apparatus comprising:
- a waveguide having a core layer;
- a near field transducer having an end positioned adjacent to a first surface;
- a first magnetic pole having an end positioned adjacent to the first surface;
- and
- a side lobe blocker positioned adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the first surface.
2 more elements
An apparatus comprising:
- a near field transducer having an end positioned adjacent to a first surface;
- a first magnetic pole having an end positioned adjacent to the first surface;
- and
- a heat sink positioned adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the heat sink forms an aperture adjacent to the first surface.
1 more element
An apparatus comprising:
- a storage medium;
- a recording head including a waveguide having a core layer, a near field transducer having an end positioned adjacent to an air bearing surface, a first magnetic pole having an end positioned adjacent to the air bearing surface, and a side lobe blocker adjacent to the air bearing surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the air bearing surface;
- and
- a positioning member for positioning the recording head adjacent to the storage medium.
1 more element
Dependencies are inferred from the claim text.