{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8472139","patent":{"patent_number":"US-8472139","title":"Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof","assignee":null,"inventors":[],"filing_date":"2011-09-06T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B","G11B"],"num_claims":21,"abstract":"In one embodiment, a magnetic head includes a main pole, a trailing shield positioned near a trailing side of the main pole, a side shield positioned near both sides of the main pole in a cross-track direction, a leading shield positioned near a leading side of the main pole, and a gap positioned between the main pole and the shields, characterized in that Sg1<Sg2, wherein Sg1 is a distance in the cross-track direction between a bending point of a leading edge of the trailing shield and a trailing corner of the main pole nearest to the bending point, and Sg2 is a distance in the cross-track direction between a first point on an edge of the side shield parallel in the cross-track direction to the trailing corner of the main pole and the trailing corner of the main pole nearest to the first point."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof","description":"In one embodiment, a magnetic head includes a main pole, a trailing shield positioned near a trailing side of the main pole, a side shield positioned near both sides of the main pole in a cross-track ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8472139","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-8472139","citation_suggestion":"Patentable. \"Shingled magnetic recording (SMR) head with bent trailing shield and methods of production thereof\" (US-8472139). https://patentable.app/patents/US-8472139","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8472139","json":"https://patentable.app/api/llm-context/US-8472139","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:36:09.251Z"}