{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8492826","patent":{"patent_number":"US-8492826","title":"Non-volatile semiconductor memory device and manufacturing method thereof","assignee":null,"inventors":[],"filing_date":"2010-05-18T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G11C","G11C","H01L"],"num_claims":7,"abstract":"A non-volatile semiconductor device includes an n type well formed in a semiconductor substrate having a surface, the surface having a plurality of stripe shaped grooves and a plurality of stripe shaped ribs, a plurality of stripe shaped p type diffusion regions formed in upper parts of each of the plurality of ribs, the plurality of stripe shaped p type diffusion regions being parallel to a longitudinal direction of the ribs, a tunneling insulation film formed on the grooves and the ribs, a charge storage layer formed on the tunneling insulating film, a gate insulation film formed on the charge storage layer, and a plurality of stripe shaped conductors formed on the gate insulating film, the plurality of stripe shaped conductors arranged in a direction intersecting the longitudinal direction of the ribs with a predetermined interval wherein an impurity diffusion structure in the ribs are asymmetric."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Non-volatile semiconductor memory device and manufacturing method thereof","description":"A non-volatile semiconductor device includes an n type well formed in a semiconductor substrate having a surface, the surface having a plurality of stripe shaped grooves and a plurality of stripe shap","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8492826","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-8492826","citation_suggestion":"Patentable. \"Non-volatile semiconductor memory device and manufacturing method thereof\" (US-8492826). https://patentable.app/patents/US-8492826","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8492826","json":"https://patentable.app/api/llm-context/US-8492826","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:15:06.695Z"}