Disk for magnetic recording

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United States of America Patent

PATENT NO 4990389
SERIAL NO

07215209

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Abstract

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A disk for magnetic recording, including a thin Fe-Cr-Co magnetic wafer for signal recording and a rigid substrate reduces the development of large warps and enlarges the output signals, thereby significantly reducing read-out errors.

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Patent Owner(s)

Patent OwnerAddress
NIPPON GAKKI SEIZO KABUSHIKI KAISHAHAMAMATSU-SHI SHIZUOKA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asano, Kazuyuki Hamamatsu, JP 2 10
Iijima, Kensaburou Hamamatsu, JP 1 0

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