{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9773315","patent":{"patent_number":"US-9773315","title":"Device and method for computing amount of drift and charged particle beam system","assignee":null,"inventors":[],"filing_date":"2015-04-27T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["G06T","G06T","G06T","G06T","G06T"],"num_claims":9,"abstract":"A drift amount computing device (100) computes an amount of drift between a first image and a second image, and comprises a correlation function computing section (112) for calculating a correlation function between the first and second images, a local maximum position searching section (114) for searching a range of positions of the correlation function for local maximum positions, a local maximum position determining section (116) for assigning weights to intensities of plural local maximum positions according to the distance from the center of the correlation function, comparing the weighted intensities of the local maximum positions, and determining one of the maximum local positions which corresponds to the amount of drift, and a drift amount computing section (118)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device and method for computing amount of drift and charged particle beam system","description":"A drift amount computing device (100) computes an amount of drift between a first image and a second image, and comprises a correlation function computing section (112) for calculating a correlation f","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9773315","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-9773315","citation_suggestion":"Patentable. \"Device and method for computing amount of drift and charged particle beam system\" (US-9773315). https://patentable.app/patents/US-9773315","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9773315","json":"https://patentable.app/api/llm-context/US-9773315","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:27:29.648Z"}