Magnetic recording medium
Patent 4521482 Issued on June 4, 1985. Estimated Expiration Date: 
December 19, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 19, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3466156 Magnetic recording and storage device having high abrasion resistance and method Magnetic recording medium Magnetic recording medium Patent #: 4333985 InventorsApplicationNo. 06/563014 filed on 12/19/1983US Classes:428/336, 1 mil or less204/192.2, Ferromagnetic427/129, With pretreatment of base427/131, Applying superposed diverse coating or coating a coated base427/132, Metal coating427/250, Metal coating427/296, Organic base427/491, Organic substrate427/525, Organic material present in substrate, plating, or implanted layer428/412, Of polycarbonate428/425.8, Next to free metal428/457, Of metal428/833, Single magnetic layer with plural overcoat layers428/900MAGNETIC FEATUREExaminersPrimary: Pianalto, BernardAttorney, Agent or FirmInternational ClassesG11B 5/64 (20060101)G11B 5/72 (20060101) Foreign Application Priority Data1982-04-02 JPAbstractA magnetic recording medium having a layer of an organic polymer formed on an oblique vapor deposited magnetic metal film is disclosed. A layer of a higher aliphatic acid and/or an ester thereof is also formed on said polymer layer. |
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