{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8462593","patent":{"patent_number":"US-8462593","title":"Thermal-assisted magnetic recording head having dielectric waveguide, metal waveguide and near-field light generating element","assignee":null,"inventors":[],"filing_date":"2012-02-07T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B"],"num_claims":17,"abstract":"A magnetic head includes a dielectric waveguide to propagate propagation light; a metal waveguide facing the dielectric waveguide, coupling to the propagation light propagating through the dielectric waveguide in a surface plasmon mode, generating first surface plasmon with larger wavenumber than that of the propagation light, and propagating the first surface plasmon; a near-field light generating element facing the metal waveguide and extending to ABS, coupling to the first surface plasmon propagating on the metal waveguide in a surface plasmon mode, generating second surface plasmon with wavenumber larger than that of the first surface plasmon, propagating the second surface plasmon to an end part on the ABS side, and generating near-field light at the end part on the ABS side; and a recording magnetic pole provided in the vicinity of the near-field light generating element and having an end part positioned on the ABS."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Thermal-assisted magnetic recording head having dielectric waveguide, metal waveguide and near-field light generating element","description":"A magnetic head includes a dielectric waveguide to propagate propagation light; a metal waveguide facing the dielectric waveguide, coupling to the propagation light propagating through the dielectric ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8462593","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-8462593","citation_suggestion":"Patentable. \"Thermal-assisted magnetic recording head having dielectric waveguide, metal waveguide and near-field light generating element\" (US-8462593). https://patentable.app/patents/US-8462593","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8462593","json":"https://patentable.app/api/llm-context/US-8462593","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T17:59:31.159Z"}