{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9806205","patent":{"patent_number":"US-9806205","title":"N-type aluminum nitride monocrystalline substrate","assignee":null,"inventors":[],"filing_date":"2015-07-21T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":7,"abstract":"A silicon-doped n-type aluminum nitride monocrystalline substrate wherein, at a photoluminescence measurement at 23° C., a ratio (I1/I2) between the emission spectrum intensity (I1) having a peak within 370 to 390 nm and the emission peak intensity (I2) of the band edge of aluminum nitride is 0.5 or less; a thickness is from 25 to 500 μm; and a ratio (electron concentration/silicon concentration) between the electron concentration and the silicon concentration at 23° C. is from 0.0005 to 0.001."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"N-type aluminum nitride monocrystalline substrate","description":"A silicon-doped n-type aluminum nitride monocrystalline substrate wherein, at a photoluminescence measurement at 23° C., a ratio (I1/I2) between the emission spectrum intensity (I1) having a peak with","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9806205","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-9806205","citation_suggestion":"Patentable. \"N-type aluminum nitride monocrystalline substrate\" (US-9806205). https://patentable.app/patents/US-9806205","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9806205","json":"https://patentable.app/api/llm-context/US-9806205","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:35:34.320Z"}