Oliff PLC
Magnetic head for perpendicular magnetic recording including a main pole with a lower protrusion
A main pole includes a main body and a lower protrusion. The lower protrusion is located at a distance from a medium facing surface. The main body includes a front portion and a rear portion. The front portion has a first side surface and a second side surface. The lower protrusion has a third side surface and a fourth side surface. A first side shield has a first sidewall opposed to the first side surface. A second side shield has a second sidewall opposed to the second side surface. A bottom shield includes a receiving section. The receiving section has a third sidewall opposed to the third side surface, and a fourth sidewall opposed to the fourth side surface. The receiving section and the lower protrusion are formed in a self-aligned manner by using the first and second side shields.
HEADWAY TECHNOLOGIES, INC.
G G G G G G G G
G11B G11B G11B G11B G11B G11B G11B G11B
additional inventional inventional inventional additional inventional additional inventional
Shigeki Hiroyuki Kazuki Hironori Yoshitaka Yukinori
Tanemura Ito Sato Araki Sasaki Ikegawa