{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8503702","patent":{"patent_number":"US-8503702","title":"Electret diaphragm and speaker using the same","assignee":null,"inventors":[],"filing_date":"2010-10-22T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["H04R","H04R"],"num_claims":21,"abstract":"An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electret diaphragm and speaker using the same","description":"An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) ele","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8503702","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-8503702","citation_suggestion":"Patentable. \"Electret diaphragm and speaker using the same\" (US-8503702). https://patentable.app/patents/US-8503702","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8503702","json":"https://patentable.app/api/llm-context/US-8503702","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:03:00.405Z"}