{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9620401","patent":{"patent_number":"US-9620401","title":"Pre-aligner apparatus","assignee":null,"inventors":[],"filing_date":"2008-10-22T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":6,"abstract":"The apparatus includes a rotary mechanism for holding a semiconductor wafer and rotating the same, a detection mechanism for detecting a positioning cutout portion formed in the wafer, and a wafer transfer mechanism for lifting the wafer from a wafer mounting portion of the rotary mechanism or mounting the wafer on the same. The wafer transfer mechanism has a movable holding portion for holding the wafer at a position just above the wafer mounting portion and is constituted such that the movable holding portion moves up or down while avoiding the wafer held by the rotary mechanism."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Pre-aligner apparatus","description":"The apparatus includes a rotary mechanism for holding a semiconductor wafer and rotating the same, a detection mechanism for detecting a positioning cutout portion formed in the wafer, and a wafer tra","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9620401","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-9620401","citation_suggestion":"Patentable. \"Pre-aligner apparatus\" (US-9620401). https://patentable.app/patents/US-9620401","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9620401","json":"https://patentable.app/api/llm-context/US-9620401","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:34:33.452Z"}