CPC H01F 10/16 (2013.01) [C23C 14/3407 (2013.01); H01F 41/18 (2013.01)] | 20 Claims |
1. An in-plane magnetized film for use as a hard bias layer of a magnetoresistive element, the in-plane magnetized film comprising metal Co, metal Pt, and an oxide, wherein
the in-plane magnetized film contains the metal Co in an amount of 55 at % or more and less than 95 at % and the metal Pt in an amount of more than 5 at % and 45 at % or less relative to a total of metal components of the in-plane magnetized film,
the in-plane magnetized film contains the oxide in an amount of 10 vol % or more and 42 vol % or less relative to a whole amount of the in-plane magnetized film, and
the in-plane magnetized film has a thickness of 20 nm or more and 80 nm or less.
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