{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9638641","patent":{"patent_number":"US-9638641","title":"Inspection system and inspection illumination device","assignee":null,"inventors":[],"filing_date":"2013-11-25T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":8,"abstract":"In order to provide an inspection illumination device that makes it possible to greatly change a light amount within an observation solid angle of an imaging device even in a case where a change in reflection or scattering taking place at a feature point is subtle, and thus detect such a minute feature point, the inspection illumination device includes: a surface light source that emits inspection light; a lens that is arranged between the surface light source and an inspection object, and provides an image of the surface light source near the inspection object; and a first light shielding mask that is arranged between the surface light source and the inspection object, and forms a dark domain within an illumination solid angle of the inspection light applied to each point on the inspection object."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Inspection system and inspection illumination device","description":"In order to provide an inspection illumination device that makes it possible to greatly change a light amount within an observation solid angle of an imaging device even in a case where a change in re","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9638641","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-9638641","citation_suggestion":"Patentable. \"Inspection system and inspection illumination device\" (US-9638641). https://patentable.app/patents/US-9638641","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9638641","json":"https://patentable.app/api/llm-context/US-9638641","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:47:32.616Z"}