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Magnetic recording medium having a dimensional variation

專利號
US10867630B2
公開日期
2020-12-15
申請人
Sony Corporation(JP Tokyo)
發(fā)明人
Noboru Sekiguchi; Minoru Yamaga
IPC分類
G11B5/62; G11B5/733; G11B5/706; C23C14/00; G11B5/735
技術(shù)領(lǐng)域
recording,magnetic,layer,medium,in,σmd,δw,nm,or,average
地域: Tokyo

摘要

The average thickness tT of a magnetic recording medium meets the requirement that tT≤5.5 [μm], and the dimensional change amount Δw in the width direction of the magnetic recording medium with respect to the tension change in the longitudinal direction of the magnetic recording medium meets the requirement that 700 ppm/N≤Δw.

說明書

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權(quán)利要求

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