Oliff PLC
Magnetic head for perpendicular magnetic recording including a coil for individually driving a main pole and a yoke
A magnetic head includes a coil, a main pole, a write shield and first and second yokes. The first and second yokes are connected to the write shield. The coil includes a main coil portion for driving the main pole, a first sub-coil portion for driving the first yoke, and a second sub-coil portion for driving the second yoke. A magnetic field produced in the main pole by the main coil portion and a magnetic field produced in each of the first and second yokes by the first and second sub-coil portions are in directions opposite to each other.
HEADWAY TECHNOLOGIES, INC.
G G G
G11B G11B G11B
inventional inventional inventional
Kazuki Hiroyuki Shigeki Masakazu Yoshitaka
Sato Ito Tanemura Okada Sasaki