{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11257525","patent":{"patent_number":"US-11257525","title":"Data storage device predicting failure of near field transducer based on slope of thermal gradient","assignee":null,"inventors":[],"filing_date":"2021-02-16T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B"],"num_claims":17,"abstract":"A data storage device is disclosed comprising a head actuated over a magnetic media, wherein the head comprises a laser and a near field transducer (NFT). A thermal gradient produced in the magnetic media by the NFT is periodically measured, and a failure of the NFT is predicted based on a slope of the thermal gradient measurements."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Data storage device predicting failure of near field transducer based on slope of thermal gradient","description":"A data storage device is disclosed comprising a head actuated over a magnetic media, wherein the head comprises a laser and a near field transducer (NFT). A thermal gradient produced in the magnetic m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11257525","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-11257525","citation_suggestion":"Patentable. \"Data storage device predicting failure of near field transducer based on slope of thermal gradient\" (US-11257525). https://patentable.app/patents/US-11257525","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11257525","json":"https://patentable.app/api/llm-context/US-11257525","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:25:18.829Z"}