{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8492846","patent":{"patent_number":"US-8492846","title":"Stress-generating shallow trench isolation structure having dual composition","assignee":null,"inventors":[],"filing_date":"2007-11-15T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":13,"abstract":"A shallow trench isolation structure containing a first shallow trench isolation portion comprising the first shallow trench material and a second shallow trench isolation portion comprising the second shallow trench material is provided. A first biaxial stress on at least one first active area and a second bidirectional stress on at least one second active area are manipulated separately to enhance charge carrier mobility in middle portions of the at least one first and second active areas by selection of the first and second shallow trench materials as well as adjusting the type of the shallow trench isolation material that each portion of the at least one first active area and the at least one second active area laterally abut."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Stress-generating shallow trench isolation structure having dual composition","description":"A shallow trench isolation structure containing a first shallow trench isolation portion comprising the first shallow trench material and a second shallow trench isolation portion comprising the secon","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8492846","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-8492846","citation_suggestion":"Patentable. \"Stress-generating shallow trench isolation structure having dual composition\" (US-8492846). https://patentable.app/patents/US-8492846","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8492846","json":"https://patentable.app/api/llm-context/US-8492846","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:08:40.668Z"}