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Magnetoresistive Element Film Bias

IP.com Disclosure Number: IPCOM000050724D
Original Publication Date: 1982-Dec-01
Included in the Prior Art Database: 2005-Feb-10

Publishing Venue

IBM

Related People

Authors:
Chow, WW Lopez, JL Tsang, CH [+details]

Abstract

Permalloy films can provide an easy axis bias to a magnetoresistive (MR) sensor using the DC current directed to the element to drive the film. The film is formed in the shape of a C-magnet with a small gap between the ends of the magnet and the MR element.