Heat assisted magnetic recording system having at least three possible magnetic configurations per physical bit

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United States of America Patent

PATENT NO 9818440
SERIAL NO

15194412

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Abstract

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According to one embodiment, a heat assisted magnetic recording system includes a magnetic recording medium comprising a magnetic recording layer, where the magnetic recording layer includes a plurality of physical bits. Each physical bit has a perpendicular magnetic anisotropy and one of at least three magnetic states, where the at least three magnetic states include a +1 magnetic state, a 0 magnetic state, and a −1 magnetic state.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Galbraith, Richard Leo Rochester, US 69 1457
Grobis, Michael Konrad San Jose, US 14 221
Jubert, Pierre-Olivier San Jose, US 38 279
Wood, Roger William Gilroy, US 19 237

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