TbFeCo in PMR media for SNR improvement

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United States of America Patent

PATENT NO 9275669
SERIAL NO

14675588

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Abstract

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The present disclosure generally relates to a PMR media for use in a HDD. The PMR media has an amorphous ferri-magnetic material layer disposed within the capping structure. The amorphous ferri-magnetic material layer reduces the noise. The amorphous ferri-magnetic material layer may be disposed between capping layer or on top of the capping layers. Additionally, the amorphous ferri-magnetic material layer may contain Tb.

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Patent Owner(s)

  • WD MEDIA, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Acharya, Ramamurthy Fremont, US 1 2
Desai, Mrugesh San Jose, US 10 231
Girgis, Emad San Jose, US 1 2
Mani, Prakash Fremont, US 7 446
Papusoi, Cristian Santa Clara, US 3 178

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