JPS5389705A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Magnetic recording medium
Assignee: Panasonic Holdings Corp
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Filing: 1977-01-18
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Granted: —
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Expires: 1997-01-18
Abstract
Abstract PURPOSE: To contrive the improvement of the travelability and life, by adding metal such as Co, Ni, Al, Cr, Fe, etc., when vacuum depositing the carbon on the surface opposite to the magnetic layer. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Takashi Fujita
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 10:03
CPC Classifications
—
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