{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477461","patent":{"patent_number":"US-8477461","title":"Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers","assignee":null,"inventors":[],"filing_date":"2008-07-29T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["B82Y","G11B"],"num_claims":16,"abstract":"A thin film magnetic head including an MR laminated body composed of a first and second MR magnetic layers, first and second shield layers, and a bias magnetic field application layer provided on an opposite side of an air bearing surface (ABS) of the MR laminated body in order to apply a bias magnetic field orthogonal relative to the ABS. The first shield layer includes a first exchange coupling magnetic field application layer and a first antiferromagnetic layer; and the second shield layer includes a second exchange coupling magnetic field application layer and a second antiferromagnetic layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers","description":"A thin film magnetic head including an MR laminated body composed of a first and second MR magnetic layers, first and second shield layers, and a bias magnetic field application layer provided on an o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477461","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-8477461","citation_suggestion":"Patentable. \"Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers\" (US-8477461). https://patentable.app/patents/US-8477461","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477461","json":"https://patentable.app/api/llm-context/US-8477461","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:46:23.081Z"}