{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8504964","patent":{"patent_number":"US-8504964","title":"Through-hole layout apparatus that reduces differences in layout density of through-holes","assignee":null,"inventors":[],"filing_date":"2009-06-05T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F"],"num_claims":22,"abstract":"A through-hole layout apparatus and method for reducing differences in layout density of through-holes. The through-hole layout apparatus includes an extractor, which extracts an existing through-hole from design data for a semiconductor integrated circuit, a calculator, which calculates a layout density of through-holes in a predetermined region for each through-hole extracted by the extractor, a selector, which selects a through-hole at the center of a predetermined region where the layout density is lower than a predetermined value as a target through-hole from among the through-holes extracted by the extractor and a through-hole adder, which determines a given position in a predetermined region centered on the target through-hole as a placement position at which a through-hole is to be added for each target through-hole selected by the selector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Through-hole layout apparatus that reduces differences in layout density of through-holes","description":"A through-hole layout apparatus and method for reducing differences in layout density of through-holes. The through-hole layout apparatus includes an extractor, which extracts an existing through-hole","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8504964","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-8504964","citation_suggestion":"Patentable. \"Through-hole layout apparatus that reduces differences in layout density of through-holes\" (US-8504964). https://patentable.app/patents/US-8504964","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8504964","json":"https://patentable.app/api/llm-context/US-8504964","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:09:18.177Z"}