Near-field transducer (nft) for a heat assisted magnetic recording (hamr) device
AssigneeWestern Digital (Fremont), LLC
InventorsKRIS VOSSOUGH, XIAOKAI ZHANG, ARMEN KIRAKOSIAN, JINWEN WANG, TSUNG YUAN CHEN, YUFENG HU
Life of this patent
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Abstract
A method and system provides a near-field transducer (NFT) for a heat assisted magnetic recording (HAMR) transducer. The method and system include forming the disk of the NFT and forming the pin of the NFT. The disk is formed from a first material. The pin is formed from a second material different from the first material. The pin contacts the disk. At least a portion of the pin is between the disk and an air-bearing surface (ABS) location.
Claims20
A magnetic write apparatus comprising:
- a near-field transducer comprising:
- a disk;
- and
- a pin between an air bearing surface of the magnetic write apparatus and the disk,
- wherein the disk is recessed from the air bearing surface;
- wherein the pin occupies a portion of the air bearing surface;
- wherein the disk comprises a metallic material;
- and
- wherein the pin comprises a dielectric material.
A magnetic write apparatus comprising:
- a near-field transducer comprising:
- a disk;
- and
- a pin between an air bearing surface of the magnetic write apparatus and the disk,
- wherein the disk is recessed from the air bearing surface;
- wherein the pin occupies a portion of the air bearing surface;
- wherein the disk comprises gold;
- and
- wherein the pin comprises tantalum oxide.
A magnetic write apparatus comprising:
- a near-field transducer comprising:
- a disk recessed from an air bearing surface of the magnetic write apparatus, wherein the disk comprises a metallic material;
- and
- a pin between the air bearing surface and the disk, wherein the pin occupies a portion of the air bearing surface and comprises a dielectric material;
- a waveguide recessed from the air bearing surface and configured to direct energy from a light source to the near-field transducer;
- and
- a heat sink in thermal contact with the near-field transducer, wherein the heat sink is configured to conduct heat away from the near-field transducer.
Dependencies are inferred from the claim text.