{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8466504","patent":{"patent_number":"US-8466504","title":"DRAM with dopant stop layer and method of fabricating the same","assignee":null,"inventors":[],"filing_date":"2011-09-14T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":2,"abstract":"A DRAM with dopant stop layer includes a substrate, a trench-type transistor and a capacitor electrically connected to the trench-type transistor. The trench-type transistor includes a gate structure embedded in the substrate. A source doping region and a drain doping region are disposed in the substrate at two sides of the gate structure. A boron doping region is disposed under the source doping region. A dopant stop layer is disposed within the boron doping region or below the boron doping region. The dopant stop layer includes a dopant selected from the group consisting of C, Si, Ge, Sn, Cl, F and Br."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"DRAM with dopant stop layer and method of fabricating the same","description":"A DRAM with dopant stop layer includes a substrate, a trench-type transistor and a capacitor electrically connected to the trench-type transistor. The trench-type transistor includes a gate structure ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8466504","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-8466504","citation_suggestion":"Patentable. \"DRAM with dopant stop layer and method of fabricating the same\" (US-8466504). https://patentable.app/patents/US-8466504","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8466504","json":"https://patentable.app/api/llm-context/US-8466504","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:47:13.730Z"}