{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10471536","patent":{"patent_number":"US-10471536","title":"Reflective detection method and reflectance detection apparatus","assignee":null,"inventors":[],"filing_date":"2018-05-22T00:00:00.000Z","publication_date":"2019-11-12T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N"],"num_claims":11,"abstract":"A reflectance detection method in which a workpiece is irradiated with a laser beam and reflectance is detected, irradiating, with a light amount H0, the workpiece with a laser beam with a first wavelength X1 shorter than a detection-target wavelength X and detecting a light amount H1 of reflected return light, irradiating the workpiece with a laser beam with a second wavelength X2 longer than the detection-target wavelength X with the light amount H0 and detecting a light amount H2 of reflected return light, and employing H calculated based on an expression shown below as the light amount of return light obtained when the workpiece is irradiated with the detection-target wavelength X and calculating reflectance obtained when the workpiece is irradiated with the detection-target wavelength X based on H/H0. H=H1+(H2−H1)×(X−X1)/(X2−X1)"},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Reflective detection method and reflectance detection apparatus","description":"A reflectance detection method in which a workpiece is irradiated with a laser beam and reflectance is detected, irradiating, with a light amount H0, the workpiece with a laser beam with a first wavel","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10471536","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-10471536","citation_suggestion":"Patentable. \"Reflective detection method and reflectance detection apparatus\" (US-10471536). https://patentable.app/patents/US-10471536","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10471536","json":"https://patentable.app/api/llm-context/US-10471536","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:00:11.114Z"}