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Magnetoresistive Head with Integrated Varistor Employing Combined Varistor, Antiferromagnet Seed/Gap and Grounded First Shield

IP.com Disclosure Number: IPCOM000014427D
Original Publication Date: 2000-Apr-01
Included in the Prior Art Database: 2003-Jun-19

Publishing Venue

IBM

Abstract

Described is a magnetic recording head having a magnetoresistive read sensor combined with an NiO seed/gap layer that is primarily used as an antiferromagnet (AFM) to provide exchange bias for the pinned layer of a spin valve (SV) sensor, but which also provides a varistor action in a structure that is essentially a