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ABSTRACT: A new inductive writer design for MR head with a trimmed and
planarized top shield and an over-sized trailing pole is presented. The
normal P2 pole is located right above the trimmed top shield. Modeling
has been conducted on the write field fringing for this new design. It
shows that the field distribution pattern is just a reverse image of the
traditional MR write head. With this new design, the straight fringe
pattern is located at the trailing side and a better written track is
expected due to the elimination of the curved write field fringing in a
traditional head. The actual samples were fabricated and their
performance was evaluated by MFM image. The result shows the written
track is straight with nearly zero erase band. The track width is
independent of the bit density as expected
IEEE Transactions on Magnetics 08/1998; · 1.36 Impact Factor
