{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11477580","patent":{"patent_number":"US-11477580","title":"Piezoelectric microphone chip and piezoelectric microphone","assignee":null,"inventors":[],"filing_date":"2019-10-31T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":4,"abstract":"The piezoelectric microphone chip includes a single thin plate, a diaphragm support structure that is provided on one surface of the thin plate and includes an outer edge support portion that supports an outer edge of the thin plate and a separation support portion that separates the thin plate into a plurality of diaphragms in association with the outer edge support portion, a single or a plurality of piezoelectric conversion portions formed by laminating a first electrode, a piezoelectric film, and a second electrode sequentially from a diaphragm side on each of the diaphragms, and a signal detection circuit that detects outputs from the piezoelectric conversion portions provided on the plurality of diaphragms, and a relationship among a thickness t1 of the outer edge support portion, a thickness t2 of the separation support portion, and a thickness td of the thin plate 10 is set to 13.3×td<t2<t1−20 μm."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Piezoelectric microphone chip and piezoelectric microphone","description":"The piezoelectric microphone chip includes a single thin plate, a diaphragm support structure that is provided on one surface of the thin plate and includes an outer edge support portion that supports","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11477580","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-11477580","citation_suggestion":"Patentable. \"Piezoelectric microphone chip and piezoelectric microphone\" (US-11477580). https://patentable.app/patents/US-11477580","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11477580","json":"https://patentable.app/api/llm-context/US-11477580","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T12:45:35.305Z"}