{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8508102","patent":{"patent_number":"US-8508102","title":"Piezoelectric sensor","assignee":null,"inventors":[],"filing_date":"2012-05-28T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N"],"num_claims":16,"abstract":"A piezoelectric plate in the piezoelectric sensor is obtained from a rotated Y-plate where a rotation angle around the X-axis is set according to a type of the piezoelectric crystalline material, a detection region is located on a surface parallel to an X-Z plane, and a transmitting and a receiving parts are opposite to each other at positions sandwiching the detection region along an X-axis direction of the piezoelectric plate. When a guided wave excited by applying a frequency signal from the transmitting part satisfies ξh=mπ/(2λ) (2h: thickness of the piezoelectric plate, ξ: wave number in the X-axis, λ: wave number in thickness direction normalized by ξ, m: positive even number), the rotation angle satisfies the displacement of a P wave component of the guided wave becomes the maximum, or the displacement of the SH wave component of the guided wave becomes the maximum."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Piezoelectric sensor","description":"A piezoelectric plate in the piezoelectric sensor is obtained from a rotated Y-plate where a rotation angle around the X-axis is set according to a type of the piezoelectric crystalline material, a de","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8508102","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-8508102","citation_suggestion":"Patentable. \"Piezoelectric sensor\" (US-8508102). https://patentable.app/patents/US-8508102","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8508102","json":"https://patentable.app/api/llm-context/US-8508102","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:23:46.844Z"}