Thin-film perpendicular magnetic recording and reproducing head

Details Thin-film perpendicular magnetic recording and reproducing head Thin-film perpendicular magnetic recording and reproducing head

1991-04-16

1993-01-19

Heinz, A.J.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5147

Patent

active

051811510

ABSTRACT:
A thin-film perpendicular magnetic recording and reproducing head including a magnetic member defining a return path and having a narrow groove formed in one of its principal surfaces in parallel to a sliding surface adapted to face a magnetic recording medium, a non-magnetic material filling the groove, and a multilayer film assembly formed above the groove and consisting at least of a thin-film conductor coil, an interlayer insulating film, a thick main pole film, a main pole film and a protective film formed one upon another. The magnetic member is connected to the main pole film through a via hole portion, and is exposed on the sliding surface in the vicinity of the main pole film so as to face the recording medium. A thin magnetic film serving as a magnetic shield covers the protective film and the sidewall surface of the head and is joined to the sidewall surface of the magnetic member.

REFERENCES:
patent: 4771350 (1988-09-01), Desserre

Affiliated with

Also associated with

Rating

Thin-film perpendicular magnetic recording and reproducing head does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Thin-film perpendicular magnetic recording and reproducing head , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thin-film perpendicular magnetic recording and reproducing head will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-105535