Head tracking servo method for magnetic tape recording device

E Ozawa, N Kasada - US Patent 10,546,605, 2020 - Google Patents
The magnetic tape device includes a magnetic tape and a TMR head (servo head), in which
the magnetic tape includes a non-magnetic support, and a magnetic layer including …

Magnetic tape device and head tracking servo method

E Ozawa, N Kasada - US Patent 10,360,937, 2019 - Google Patents
The magnetic tape device includes a TMR head (servo head); and a magnetic tape, in which
a magnetic layer of the magnetic tape includes fatty acid ester, Ra measured regarding a …

Magnetic tape device and magnetic reproducing method

E Ozawa, N Kasada - US Patent 10,431,251, 2019 - Google Patents
The magnetic tape device includes a TMR head (reproducing head); and a magnetic tape
including a magnetic layer including ferromagnetic powder, a binding agent, and fatty acid …

Magnetic tape device and magnetic reproducing method

E Ozawa, N Kasada - US Patent 10,410,665, 2019 - Google Patents
The magnetic tape device includes a TMR head (reproducing head); and a magnetic tape
including a magnetic layer including ferromagnetic hexagonal ferrite powder, a binding …

Head positioning of timing-based servo system for magnetic tape recording device

N Kasada - US Patent 10,366,721, 2019 - Google Patents
The magnetic tape includes a non-magnetic support; and a magnetic layer including
ferromagnetic powder and a bind ing agent on the non-magnetic support, in which the mag …

Magnetic tape device and magnetic reproducing method

N Kasada, E Ozawa - US Patent 10,403,317, 2019 - Google Patents
The magnetic tape device includes a magnetic tape and a TMR head, in which the magnetic
tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder …

Magnetic tape device and magnetic reproducing method

N Kasada, E Ozawa, T Kaneko - US Patent App. 15/854,409, 2018 - Google Patents
The magnetic tape device includes: a magnetic tape; and a reproducing head, in which a
magnetic tape transportation speed of the magnetic tape device is equal to or lower than 18 …

Magnetic tape having characterized magnetic layer and hexagonal ferrite powder

N Kasada - US Patent 10,477,072, 2019 - Google Patents
A magnetic tape is provided in which ferromagnetic powder included in a magnetic layer is
ferromagnetic hexagonal ferrite powder having an activation volume less than or equal to …

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

E Ozawa, N Kasada - US Patent 10,978,105, 2021 - Google Patents
Provided are a magnetic recording medium, in which a magnetic layer includes a
ferromagnetic hexagonal ferrite powder, a binding agent, and an oxide abrasive, an intensity …

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

N Kasada, E Ozawa - US Patent 10,515,657, 2019 - Google Patents
Provided are a magnetic tape, in which a magnetic layer includes a ferromagnetic powder, a
binding agent, and an oxide abrasive, ASFD in a longitudinal direction of the magnetic tape …