{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11939439","patent":{"patent_number":"US-11939439","title":"Composite polyimide film, producing method thereof, and printed circuit board using same","assignee":null,"inventors":[],"filing_date":"2021-11-29T00:00:00.000Z","publication_date":"2024-03-26T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":17,"abstract":"The present invention is applicable to a field of a substrate for a high-frequency circuit, and relates, for example, to a composite polyimide film, a producing method thereof, and a printed circuit board using the same. More specifically, the composite polyimide film includes a film matrix including polyimide; and a plurality of filler particles dispersed in the film matrix, wherein each of the filler particles includes an inorganic particle, and a fluorine polymer coating formed on the inorganic particle."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Composite polyimide film, producing method thereof, and printed circuit board using same","description":"The present invention is applicable to a field of a substrate for a high-frequency circuit, and relates, for example, to a composite polyimide film, a producing method thereof, and a printed circuit b","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11939439","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-11939439","citation_suggestion":"Patentable. \"Composite polyimide film, producing method thereof, and printed circuit board using same\" (US-11939439). https://patentable.app/patents/US-11939439","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11939439","json":"https://patentable.app/api/llm-context/US-11939439","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:41:03.278Z"}