{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9589803","patent":{"patent_number":"US-9589803","title":"Gate electrode of field effect transistor","assignee":null,"inventors":[],"filing_date":"2012-08-10T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"This description relates to a gate electrode of a field effect transistor. An exemplary structure for a field effect transistor includes a substrate; a gate electrode over the substrate including a first top surface and a sidewall; a source/drain (S/D) region at least partially disposed in the substrate on one side of the gate electrode; a spacer on the sidewall distributed between the gate electrode and the S/D region; and a contact etch stop layer (CESL) adjacent to the spacer and further comprising a portion extending over the S/D region, wherein the portion has a second top surface substantially coplanar with the first top surface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Gate electrode of field effect transistor","description":"This description relates to a gate electrode of a field effect transistor. An exemplary structure for a field effect transistor includes a substrate; a gate electrode over the substrate including a fi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9589803","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-9589803","citation_suggestion":"Patentable. \"Gate electrode of field effect transistor\" (US-9589803). https://patentable.app/patents/US-9589803","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9589803","json":"https://patentable.app/api/llm-context/US-9589803","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:20:52.776Z"}