{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8461621","patent":{"patent_number":"US-8461621","title":"Method and apparatus of forming bipolar transistor device","assignee":null,"inventors":[],"filing_date":"2010-03-09T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":20,"abstract":"The present disclosure provides a semiconductor device having a transistor. The transistor includes a substrate. The transistor includes a collector region that is formed in a portion of the substrate. The transistor includes a base region that is surrounded by the collector region. The transistor includes an emitter region that is surrounded by the based region. The transistor includes an isolation structure that is disposed adjacent the emitter region. The transistor includes a gate structure that is disposed over a portion of the emitter region and a portion of the isolation structure."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus of forming bipolar transistor device","description":"The present disclosure provides a semiconductor device having a transistor. The transistor includes a substrate. The transistor includes a collector region that is formed in a portion of the substrate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8461621","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-8461621","citation_suggestion":"Patentable. \"Method and apparatus of forming bipolar transistor device\" (US-8461621). https://patentable.app/patents/US-8461621","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8461621","json":"https://patentable.app/api/llm-context/US-8461621","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:16:43.390Z"}