{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493681","patent":{"patent_number":"US-8493681","title":"Disk drive generating map of margin rectangles around defects","assignee":null,"inventors":[],"filing_date":"2010-11-23T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":20,"abstract":"A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of segments. A cluster of defective segments is identified, and a margin rectangle of segments is defined around each defective segment in the cluster. A margin map representing the margin rectangles is generated. The margin map may comprise start and end segment numbers, or run-length encoding, or any other suitable encoding for identifying consecutive segments that extend across multiple, overlapping margin rectangles."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Disk drive generating map of margin rectangles around defects","description":"A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of segments. A cluster of defective segments is identified, and a margin rectangle of segments is defined around","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493681","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-8493681","citation_suggestion":"Patentable. \"Disk drive generating map of margin rectangles around defects\" (US-8493681). https://patentable.app/patents/US-8493681","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493681","json":"https://patentable.app/api/llm-context/US-8493681","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T03:14:39.614Z"}