{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8473973","patent":{"patent_number":"US-8473973","title":"Recordable optical record carrier","assignee":null,"inventors":[],"filing_date":"2004-07-02T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":20,"abstract":"The present invention relates to a recordable optical record carrier for recording information using a radiation beam having wavelength λ and incident on an entrance surface of the optical record carrier comprising, in this order: a protective layer facing the entrance surface; first recording stack (L0), the recording stack comprising a recording layer of an organic dye material and a groove structure; a transparent spacer layer sandwiched between the neighboring recording stacks; and a second recording stack (LN) comprising a recording layer, wherein the groove depth of the recording layer of the first recording stack (L0) is in a range from 0.241*λ/nS to 0.362*λ/nS, where nS is a refractive index of a material in a land between grooves on the groove structure."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Recordable optical record carrier","description":"The present invention relates to a recordable optical record carrier for recording information using a radiation beam having wavelength λ and incident on an entrance surface of the optical record carr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8473973","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-8473973","citation_suggestion":"Patentable. \"Recordable optical record carrier\" (US-8473973). https://patentable.app/patents/US-8473973","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8473973","json":"https://patentable.app/api/llm-context/US-8473973","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:57:25.791Z"}