{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8472140","patent":{"patent_number":"US-8472140","title":"Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head","assignee":null,"inventors":[],"filing_date":"2012-02-24T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G11B","B82Y","G11B","G11B"],"num_claims":11,"abstract":"A magnetic recorder includes: a magnetic recording medium; a reproducing head; a magnetic recording head including: a main magnetic pole; a first magnetic layer containing a TM alloy; a second magnetic layer containing a TM alloy or an RE-TM alloy; a third magnetic layer containing an RE-TM alloy; a first intermediate layer provided between the first magnetic layer and the second magnetic layer; and a second intermediate layer provided between the second magnetic layer and the third magnetic layer; and a signal processing portion which performs signal writing into the magnetic recording medium by using the magnetic recording head and reading from the magnetic recording medium by using the reproducing head."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head","description":"A magnetic recorder includes: a magnetic recording medium; a reproducing head; a magnetic recording head including: a main magnetic pole; a first magnetic layer containing a TM alloy; a second magneti","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8472140","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-8472140","citation_suggestion":"Patentable. \"Spin oscillator or magnetic recorder including multiple injection layers in the magnetic recording head\" (US-8472140). https://patentable.app/patents/US-8472140","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8472140","json":"https://patentable.app/api/llm-context/US-8472140","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:30:06.418Z"}