{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11531159","patent":{"patent_number":"US-11531159","title":"Optical waveguide apparatus and method of fabrication thereof","assignee":null,"inventors":[],"filing_date":"2021-03-25T00:00:00.000Z","publication_date":"2022-12-20T00:00:00.000Z","cpc_codes":["G02F"],"num_claims":20,"abstract":"A semiconductor structure according to the present disclosure includes a buried oxide layer, a first dielectric layer disposed over the buried oxide layer, a first waveguide feature disposed in the first dielectric layer, a second dielectric layer disposed over the first dielectric layer and the first waveguide feature, a third dielectric layer disposed over the second dielectric layer, and a second waveguide feature disposed in the second dielectric layer and the third dielectric layer. The second waveguide feature is disposed over the first waveguide feature and a portion of the second waveguide feature vertically overlaps a portion of the first waveguide feature."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical waveguide apparatus and method of fabrication thereof","description":"A semiconductor structure according to the present disclosure includes a buried oxide layer, a first dielectric layer disposed over the buried oxide layer, a first waveguide feature disposed in the fi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11531159","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-11531159","citation_suggestion":"Patentable. \"Optical waveguide apparatus and method of fabrication thereof\" (US-11531159). https://patentable.app/patents/US-11531159","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11531159","json":"https://patentable.app/api/llm-context/US-11531159","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:25:11.529Z"}