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JPS5778627A Expired / Lapsed JP ⏱️ 0.0 years remaining

Magnetic recording medium

Assignee: Teijin Ltd
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Filing: 1980-11-04
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Granted: —
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Expires: 2000-11-04
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Abstract

Abstract PURPOSE:To prevent generation of curl, transfer and static electricity, by providing an auxiliary metallic thin film layer having low coercive force, on the opposite side of a magnetic metallic thin film of a base film. CONSTITUTION:On one surface of a base film 1b consisting of a flexible high polymer film, etc., a magnetic metallic thin film 1a consisting of a Co-Cr alloy, etc. for vertical magnetization recording is provided by means of vapor deposition, sputtering, ion plating, etc., and also an auxiliary metallic thin film 1c having low coercive force, consisting of a permalloy layer, etc. is provided on the opposite side of the base film 1b.

Inventors

  • 👤 Sadao Kadokura
  • 👤 Takashi Tomie
  • 👤 Kazuhiko Honjo
  • 👤 Shigenobu Sobajima

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-03 19:39
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/64; G11B5/66; G11B5/672

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

JPS5389705A Cited
JPS5474706A Cited
JPS551651A Cited

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