Multi-channel thin-film magnetic head, magnetic tape drive apparatus with the multi-channel thin-film magnetic head and manufacturing method of multi-channel thin-film magnetic head

摘要

A multi-channel thin-film magnetic head includes a substrate, a plurality of thin-film magnetic head elements formed on the substrate, a closure fixed onto the plurality of thin-film magnetic head elements, a protection film laminated on a whole area of a TBS of the plurality of thin-film magnetic head elements and the closure, and many micro-grooves formed in a surface of the protection film.