{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8498183","patent":{"patent_number":"US-8498183","title":"Thermally-assisted magnetic recording head having a waveguide and a return path section","assignee":null,"inventors":[],"filing_date":"2012-10-25T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":5,"abstract":"A thermally-assisted magnetic recording head includes a coil, a main pole, a return path section, a waveguide, and a plasmon generator. The waveguide includes a core and a cladding. The return path section includes: first and second columnar portions located on opposite sides of the core in the track width direction; a coupling portion coupling the first and second columnar portions to each other; and a third columnar portion connected to the coupling portion. The third columnar portion is smaller than the coupling portion in width in the track width direction. The coil includes a winding portion wound around the third columnar portion."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Thermally-assisted magnetic recording head having a waveguide and a return path section","description":"A thermally-assisted magnetic recording head includes a coil, a main pole, a return path section, a waveguide, and a plasmon generator. The waveguide includes a core and a cladding. The return path se","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8498183","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-8498183","citation_suggestion":"Patentable. \"Thermally-assisted magnetic recording head having a waveguide and a return path section\" (US-8498183). https://patentable.app/patents/US-8498183","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8498183","json":"https://patentable.app/api/llm-context/US-8498183","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:14:10.353Z"}