{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11521901","patent":{"patent_number":"US-11521901","title":"Method for preparing semiconductor device","assignee":null,"inventors":[],"filing_date":"2021-03-16T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L"],"num_claims":4,"abstract":"The present disclosure provides a method for preparing a semiconductor device. The semiconductor device includes a substrate, a first region, a second region, a third region, a fourth region, a fifth region and a sixth region. The first type region is disposed on the substrate and has a ring structure. The second type region is disposed on the substrate and disposed in the center of the first type region. A plurality of second well regions are formed in the first region, the second region, the fourth region, the fifth region and the sixth region. A plurality of second well regions in the first region, the second region, the fourth region, the fifth region and the sixth region. The first well region, the second well region, the first type region and the second type region are formed by ion implantation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for preparing semiconductor device","description":"The present disclosure provides a method for preparing a semiconductor device. The semiconductor device includes a substrate, a first region, a second region, a third region, a fourth region, a fifth ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11521901","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-11521901","citation_suggestion":"Patentable. \"Method for preparing semiconductor device\" (US-11521901). https://patentable.app/patents/US-11521901","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11521901","json":"https://patentable.app/api/llm-context/US-11521901","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:59:23.924Z"}