{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9685448","patent":{"patent_number":"US-9685448","title":"Semiconductor device","assignee":null,"inventors":[],"filing_date":"2016-02-02T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":20,"abstract":"Disclosed herein is a method includes: forming first and second cavities, the first cavity having a first width, each of the second cavities having a second width narrower than the first width; forming a first conductive layer buried in the second cavities and formed on bottom and side surface of the semiconductor substrate defined by the first cavity so that a third cavity is defined by the first conductive layer formed on the bottom and side surface of the semiconductor substrate; subjecting an etch back process to the first conductive layer so that a first conductive portion is formed at a bottom corner of the first cavity, further a fourth cavity is formed on the semiconductor substrate uncovered with the first conductive portion in the first cavity; and forming a first insulating layer in the fourth cavity and in the second cavity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor device","description":"Disclosed herein is a method includes: forming first and second cavities, the first cavity having a first width, each of the second cavities having a second width narrower than the first width; formin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9685448","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-9685448","citation_suggestion":"Patentable. \"Semiconductor device\" (US-9685448). https://patentable.app/patents/US-9685448","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9685448","json":"https://patentable.app/api/llm-context/US-9685448","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:57:35.892Z"}