{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9704529","patent":{"patent_number":"US-9704529","title":"Concurrent laser induced writer protrusion correction and laser writeability calibration","assignee":null,"inventors":[],"filing_date":"2016-08-10T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B","G11B"],"num_claims":20,"abstract":"A heat-assisted magnetic recording (HAMR) head includes a reader, a writer, a writer heater, a laser, and a near-field transducer (NFT). A processor is coupled to the head and configured to perform laser writeability calibration of the head. The processor is also configured to concurrently while performing the laser writeability calibration, correct for laser induced writer protrusion (LIWP) at a writer/NFT region of the head using writer clearance calculations based on reader clearance measurements."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Concurrent laser induced writer protrusion correction and laser writeability calibration","description":"A heat-assisted magnetic recording (HAMR) head includes a reader, a writer, a writer heater, a laser, and a near-field transducer (NFT). A processor is coupled to the head and configured to perform la","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9704529","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-9704529","citation_suggestion":"Patentable. \"Concurrent laser induced writer protrusion correction and laser writeability calibration\" (US-9704529). https://patentable.app/patents/US-9704529","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9704529","json":"https://patentable.app/api/llm-context/US-9704529","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:40:07.431Z"}