Flux spreading thin film magnetic devices

Details Flux spreading thin film magnetic devices Flux spreading thin film magnetic devices

G - Physics

11

B

356/199, 352/29

G11B 5/187 (2006.01) G11B 5/127 (2006.01) G11B 5/31 (2006.01) G11C 11/15 (2006.01) H01F 10/32 (2006.01) H01F 27/24 (2006.01) H01F 27/36 (2006.01)

Patent

CA 2015156

One aspect of the invention is a method of flux conduction comprising providing a structure with anisotropy not purely in the transverse in-plane direction such that flux spreading into the transverse in-plane direction can occur by rotation. Apparatus includes a thin film magnetic recording device having at least one pole with two magnetic layers and capable of conducting signal flux, a first of the magnetic layers having domains oriented in a first direction, a second of said magnetic layers having domains oriented in a second distinct direction, the layers coupled to each other such that signal flux can flow therebetween. Method of making and various embodiments disclosed.

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