Experimental study of material pick up on heat-assisted magnetic recording (HAMR) heads

S Xiong, R Smith, E Schreck, Q Dai - Tribology Letters, 2021 - Springer
Heat-assisted magnetic recording (HAMR) is on the magnetic recording industry's roadmap
of next generation recording technology. The high temperature writing condition creates …

Material transfer inside head disk interface for heat assisted magnetic recording

S Xiong, N Wang, R Smith, D Li, E Schreck, Q Dai - Tribology Letters, 2017 - Springer
Heat assisted magnetic recording (HAMR) promises to deliver higher storage areal density
than the current perpendicular magnetic recording products. Laser heating is implemented …

Magnetic storage device with heat-assisted magnetic storage head and associated method of manufacture

K Tasaka, Y Sano, E Rismaniyazdi, B Stipe… - US Patent …, 2019 - Google Patents
Disclosed herein is a magnetic storage device that comprises a housing defining an interior
cavity. The magnetic storage device also comprises at least one magnetic disk in the interior …

Heat-assisted removal of head contamination

JL Brand, JD Kiely - US Patent 10,373,632, 2019 - Google Patents
Provided herein is a magnetic write head including a near field transducer and a magnetic
recording media including a media lubricant. The media lubricant includes a first portion and …

Oxidizing or reducing atmosphere for heat-assisted magnetic recording

RD Turner, Y Cheng, PW Kanas, ML McGarry… - US Patent …, 2021 - Google Patents
(57) ABSTRACT A heat-assisted magnetic recording device is disposed in a hermetically
sealed enclosure. The device includes a slider comprising a reader, a writer, and an optical …

In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability

S Rajauria, Y Aoki, Y Kato, K Nagase… - US Patent …, 2021 - Google Patents
The present disclosure relates to pretreating a magnetic recording head to increase the
lifetime of the magnetic media drive. A transparent smear is purposefully formed on the …

Heat-assisted magnetic recording (HAMR) head with tapered main pole and heat sink material adjacent the pole

T Matsumoto, MA Bashir, H Balamane… - US Patent …, 2022 - Google Patents
A heat-assisted magnetic recording (HAMR) head for recording data in data tracks of a
HAMR disk has a gas-bearing slider that supports a near-field transducer (NFT) and a main …

Slider gas-bearing surface designs to mitigate effects of smear in heat-assisted magnetic recording

N Liu, W Huang - US Patent 10,629,236, 2020 - Google Patents
Disclosed herein are sliders having air-bearing surface (ABS) designs to mitigate the effects
of smear on near-field transducers used in data storage devices, and data storage devices …

Oxidizing or reducing atmosphere for heat-assisted magnetic recording

RD Turner, Y Cheng, PW Kanas, ML McGarry… - US Patent …, 2022 - Google Patents
A heat-assisted magnetic recording device is disposed in a hermetically sealed enclosure.
The device includes a slider comprising a reader, a writer, and an optical waveguide …

Slider with multiple-channel air-bearing surface

N Liu - US Patent 10,468,059, 2019 - Google Patents
Disclosed are sliders for data storage devices, and data storage devices incorporating such
sliders. A slider comprises a leading edge and an air-bearing surface (ABS). The ABS …