A low-coupling perpendicular magnetic recording media comprising a magnetic storage layer and at least one low saturation magnetization layer. The magnetic storage layer has a saturation magnetization between about 400-900 emu/cm3 and the at least one low saturation magnetization layer has a saturation magnetization below that of the magnetic storage layer.

Claims

18 · 3 independent · depth 3

18 granted claims

›1.independentAn apparatus comprising:na layered structure comprising:na first magnetic storage layer;a second magnetic storage layer spaced apart from the first ma…+7

›2.↳ 1The apparatus of claim 1 wherein the low saturation magnetization layer has a saturation magnetization level below that of the first and second magnet…d2+1

›4.↳ 1The apparatus of claim 1 wherein the low saturation magnetization layer has a saturation magnetization level below that of the first and second magnet…d2+1

›6.↳ 1The apparatus of claim 1 wherein each of the first magnetic storage layer and the second magnetic storage layer comprises a magnetic layer comprising …d2

›7.↳ 1The apparatus of claim 1 wherein each of the first magnetic storage layer and the second magnetic storage layer comprises one or more oxides selected …d2

›8.↳ 1The apparatus of claim 1 wherein the low saturation magnetization layer comprises the at least one of Fe, Co, or Ni with one or more elements selected…d2

›9.independentAn apparatus comprising:na layered structure comprising:na first magnetic storage layer;a second magnetic storage layer spaced apart from the first ma…+4

›14.independentAn apparatus comprising:na layered structure comprising:na first magnetic storage layer;a second magnetic storage layer spaced apart from the first ma…+4

Classifications

2 codes

IPC · International Patent Classification

Section G — Physics

G11B5/66

USPC · US Patent Classification

428/828.1

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Pendency

1.5 y

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Holly Rickman

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130045394 A1	21 Feb 2013

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