Patent JPS5331104A successfully refreshed from Google Patents.
JPS5331104A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Information recording member
Assignee: Hitachi Ltd
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Filing: 1976-09-03
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Granted: —
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Expires: 1996-09-03
Abstract
Abstract PURPOSE:In a high density picture information recording member like an optical video disc by laser light, the crystallization of the main recording layer in particular is provided by providing a specific sub-recording layer.
Inventors
- 👤 Motoyasu Terao
- 👤 Seiji Yonezawa
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-03 17:01
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/243; G11B2007/24302; G11B2007/24316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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