{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9818866","patent":{"patent_number":"US-9818866","title":"Junction FET semiconductor device with dummy mask structures for improved dimension control and method for forming the same","assignee":null,"inventors":[],"filing_date":"2015-10-12T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":18,"abstract":"A method for semiconductor devices on a substrate includes using gate structures which serve as active gate structures in a MOSFET region, as dummy gate structures in a JFET region of the device. The dummy gate electrodes are used as masks and determine the spacing between gate regions and source/drain regions, the width of the gate regions, and the spacing between adjacent gate regions according to some embodiments, thereby forming an accurately dimensioned transistor channel."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Junction FET semiconductor device with dummy mask structures for improved dimension control and method for forming the same","description":"A method for semiconductor devices on a substrate includes using gate structures which serve as active gate structures in a MOSFET region, as dummy gate structures in a JFET region of the device. The ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9818866","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-9818866","citation_suggestion":"Patentable. \"Junction FET semiconductor device with dummy mask structures for improved dimension control and method for forming the same\" (US-9818866). https://patentable.app/patents/US-9818866","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9818866","json":"https://patentable.app/api/llm-context/US-9818866","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:15:28.293Z"}