NDLI: Multi-track magnetoresistive head design technique for high density tape recording

Content Provider	IEEE Xplore Digital Library
Author	Tanabe, T. Nishimura, K. Hosokawa, S.
Copyright Year	1965
Abstract	Both symmetrization of isolated readback pulses and feed-through suppression are investigated in multi-track magnetoresistive (MR) heads shielded with a magnetic film and substrate. The influence of MR head parameters on isolated readback pulse symmetry is analyzed theoretically using a Green function and the reciprocity theorem. The theoretical results show that an isolated readback pulse can be sufficiently symmetrized by optimizing such MR head parameters as film shield thickness and gap length. Feed-through characteristics from a thin film write head to the MR head are analyzed experimentally. Feed-through is shown to occur through a one-turn-loop formed by the MR element and its leads. As a result, a new MR head arrangement is proposed, which is characterized by two divided MR elements and produces a feed-through suppression of 32 dB.
Sponsorship	IEEE Magnetics Society
Starting Page	689
Ending Page	691
Page Count	3
File Size	510397
File Format	PDF
ISSN	00189464
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetoresistance Magnetic heads Magnetization Substrates Green function Magnetic films Magnetic recording Magnetic analysis Laboratories Transistors
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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