Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ru-Ying Tong0
Yu-Hsia Chen0
Yue Liu0
Cheng T. Horng0
Cherng Chyi Han0
Min Li0
Date of Patent
July 12, 2011
0Patent Application Number
120081510
Date Filed
January 9, 2008
0Patent Primary Examiner
Patent abstract
Improved CPP GMR devices have been fabricated by replacing the conventional seed layer (typically Ta) with a bilayer of NiCr on Ta, said seed being deposited on the NiFe layer that constitutes a magnetic shield. Additional improvement was also obtained by replacing the conventional non-magnetic spacer layer of copper with a sandwich structure of two copper layers with an NOL (nano-oxide layer) between them. A process for manufacturing the devices is also described.
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