{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8509037","patent":{"patent_number":"US-8509037","title":"Layered optical waveguide and near field transducer","assignee":null,"inventors":[],"filing_date":"2012-04-24T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B"],"num_claims":17,"abstract":"A waveguide extends away from a media-facing surface. The waveguide includes top and bottom cladding layers and a core disposed therebetween. The core includes a middle core layer and an outside core layer having respective first and second indices of refraction. The first index of refraction is smaller than the second index of refraction. A near field transducer is disposed within the middle core layer proximate the media-facing surface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Layered optical waveguide and near field transducer","description":"A waveguide extends away from a media-facing surface. The waveguide includes top and bottom cladding layers and a core disposed therebetween. The core includes a middle core layer and an outside core ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8509037","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-8509037","citation_suggestion":"Patentable. \"Layered optical waveguide and near field transducer\" (US-8509037). https://patentable.app/patents/US-8509037","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8509037","json":"https://patentable.app/api/llm-context/US-8509037","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:08:43.766Z"}