Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2007-01-18
2010-12-28
Blouin, Mark (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
Reexamination Certificate
active
07859797
ABSTRACT:
Embodiments in accordance with the present invention provide a Current Perpendicular to the Plane—Giant Magnetoresistive (CPP-GMR) head exhibiting a high magnetoresistance (MR) ratio with a low area-resistance product. A lower shield is made up of a first shield layer/a crystalline reset layer/a second shield layer, and an amorphous material is used in at least a part of the crystalline reset layer, thereby controlling crystallinity of the second lower shield/the CPP-GMR head.
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Japanese Patent Office, First Office Action in Japanese counterpart to instant application dated Aug. 17, 2010.
Hoshino Katsumi
Hoshiya Hiroyuki
Okada Yasuyuki
Blouin Mark
Garcia Guadalupe M.
GMG Intellectual Property Law
Hitachi Global Storage Technologies - Netherlands B.V.
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