{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11967617","patent":{"patent_number":"US-11967617","title":"Nitride semiconductor substrate, laminate, substrate selection program, substrate data output program, off-angle coordinate map, and methods thereof","assignee":null,"inventors":[],"filing_date":"2018-08-08T00:00:00.000Z","publication_date":"2024-04-23T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":24,"abstract":"A nitride semiconductor substrate including a group III nitride semiconductor crystal and having a main surface, wherein a low index crystal plane is (0001) plane curved in a concave spherical shape to the main surface, and the off-angle (θm, θa) at a position (x, y) in the main surface approximated by x representing a coordinate in a direction along <1-100> axis, y is a coordinate in a direction along <11-20> axis, (0, 0) represents a coordinate (x, y) of the center, θm represents a direction component along <1-100> axis in an off-angle of <0001> axis with respect to a normal, θa represents a direction component along <11-20> axis in the off-angle, (M1, A1) represents a rate of change in the off-angle (θm, θa) with respect to the position (x, y) in the main surface, and (M2, A2) represents the off-angle (θm, θa) at the center."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Nitride semiconductor substrate, laminate, substrate selection program, substrate data output program, off-angle coordinate map, and methods thereof","description":"A nitride semiconductor substrate including a group III nitride semiconductor crystal and having a main surface, wherein a low index crystal plane is (0001) plane curved in a concave spherical shape t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11967617","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-11967617","citation_suggestion":"Patentable. \"Nitride semiconductor substrate, laminate, substrate selection program, substrate data output program, off-angle coordinate map, and methods thereof\" (US-11967617). https://patentable.app/patents/US-11967617","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11967617","json":"https://patentable.app/api/llm-context/US-11967617","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:43:49.125Z"}