{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8518512","patent":{"patent_number":"US-8518512","title":"Production method for optical disc master, optical disc master, stamper, and optical disc","assignee":null,"inventors":[],"filing_date":"2009-09-25T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["B82Y","B82Y","G11B","G11B"],"num_claims":13,"abstract":"A production method for an optical disc master includes the steps of: preparing a substrate; forming an intermediate layer having a predetermined thickness on the substrate; forming an inorganic resist layer having a thickness on the intermediate layer, a ratio of the thickness of the intermediate layer to the thickness of the inorganic resist layer being in a range between 0.8:1 and 1.5:1; irradiating the inorganic resist layer with a laser beam to selectively expose the inorganic resist layer; and developing the selectively exposed inorganic resist layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Production method for optical disc master, optical disc master, stamper, and optical disc","description":"A production method for an optical disc master includes the steps of: preparing a substrate; forming an intermediate layer having a predetermined thickness on the substrate; forming an inorganic resis","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8518512","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8518512","citation_suggestion":"Patentable. \"Production method for optical disc master, optical disc master, stamper, and optical disc\" (US-8518512). https://patentable.app/patents/US-8518512","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8518512","json":"https://patentable.app/api/llm-context/US-8518512","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:30:25.199Z"}