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Producing Magnetic Anisotropy (Easy Access) in Circumferential or Helical Direction Along a Wire

IP.com Disclosure Number: IPCOM000069260D
Original Publication Date: 1978-Apr-01
Included in the Prior Art Database: 2005-Feb-20

Publishing Venue

IBM

Related People

Authors:
Garwin, RL [+details]

Abstract

Circumferential anisotropy for use with magnetostrictive effects has been produced by electroplating a wire while current is being passed through it. Presumably, this produces a direction of easy alignment circumferential to the wire, that is, along the self-magnetic field. A technique is disclosed for plating a wire while applying a tangential field, in a manner which produces a strong circumferential anisotropy without using a current through the wire. This enables larger magnetic fields to be readily produced without problems with electrolysis, nonuniformity, and the like.