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US 2026/0146182 A1Published application
Abrasive tape, and magnetic recording medium production method
AssigneeResonac Hard Disk Corporation
InventorsAyumi YAMAKAWA, Koshiro YOSHIYAMA, Shota SHIMADA, Kazuhiro MAKISHIMA, Kazunori OHASHI
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Abstract
An abrasive tape that is an elongated tape wound in a roll shape includes a support; abrasive grains fixed, as an abrasive, to one surface of the support; and an adhesive layer over another surface of the support.
Claims7
An abrasive tape that is an elongated tape wound in a roll shape, the abrasive tape comprising:
- a support,
- abrasive grains fixed, as an abrasive, to one surface of the support, and
- an adhesive layer over another surface of the support.
A magnetic recording medium production method, comprising:
- burnishing, with an abrasive, a surface of a stack including a substrate, a magnetic recording layer over the substrate, and a protective layer over the magnetic recording layer, wherein
- the burnishing includes
- by use of an abrasive tape that is elongated and is in a state of being wound in a roll shape, pressing the abrasive tape, supplied from the abrasive tape in the state of being wound in the roll shape, against the surface of the stack to abrade the surface of the stack, and
- the abrasive tape includes
- a support,
- abrasive grains fixed, as the abrasive, to one surface of the support, and
- an adhesive layer over another surface of the support.
4 more elements
Dependencies are inferred from the claim text.