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US 11,114,122 B1Granted
Magnetic devices with overcoat that includes a titanium oxynitride layer
AssigneeSeagate Technology LLC
InventorsZhuoyuan Wu, Edwin F. Rejda, Richard T. Greenlee
Life of this patent
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Abstract
Described are magnetic recording heads that include an overcoat that includes a titanium oxynitride (TiON) layer.
Claims19
A heat assisted magnetic recording head comprising:
- an air-bearing surface,
- a magnetic write pole and a near field transducer associated with the air bearing surface,
- an overcoat covering a portion of the air bearing surface at an area of the near field transducer, the overcoat comprising a titanium oxynitride layer having an optical absorbance constant (k) below 0.2 at 830 nanometers.
Dependencies are inferred from the claim text.