Posz Law Group, PLC
Thin-film magnetic recording head with thin film which constructs sensor or heater beneath main magnetic pole
A thin film magnetic recording head having a multilayer structure in which plural thin films are laminated and being a perpendicular recording type that applies a magnetic field perpendicularly to a magnetic recording medium and performs recording, includes a main magnetic pole exposed on an air bearing surface facing the magnetic recording medium and guiding a magnetic flux toward the magnetic recording medium, a thin film positioned beneath the main magnetic pole from a perspective of a lamination direction and configuring a sensor or a heater configured to determine a distance from the magnetic recording medium of the thin film magnetic recording head, and a light-absorbing portion positioned between the main magnetic pole and the thin film.
TDK Corporation
G
G11B
inventional
Masashi Tatsuhiro Hisayoshi Hitoshi Mutsumi Isamu Hiromichi
Sano Nojima Watanabe Hatate Fujita Toba Umehara