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US 11,437,065 B2Granted
Magnetic recording medium and magnetic recording and reproducing device
AssigneeFUJIFILM Corporation
InventorsEiki Ozawa, Norihito Kasada
Life of this patent
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Abstract
The magnetic recording medium includes a non-magnetic support; and a magnetic layer including a ferromagnetic powder, in which an isoelectric point of a surface zeta potential of the magnetic layer after pressing the magnetic layer at a pressure of 70 atm is equal to or less than 3.8.
Claims18
A magnetic recording medium comprising:
- a non-magnetic support;
- and
- a magnetic layer including a ferromagnetic powder,
- wherein an isoelectric point of a surface zeta potential of the magnetic layer after pressing the magnetic layer at a pressure of 70 atm is equal to or less than 3.8.
1 more element
A magnetic recording and reproducing device comprising:
- a magnetic recording medium;
- and
- a magnetic head,
- wherein
- the magnetic recording medium is a magnetic recording medium comprising:
- a non-magnetic support;
- and
- a magnetic layer including a ferromagnetic powder,
- wherein an isoelectric point of a surface zeta potential of the magnetic layer after pressing the magnetic layer at a pressure of 70 atm is equal to or less than 3.8.
6 more elements
Dependencies are inferred from the claim text.