{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9685387","patent":{"patent_number":"US-9685387","title":"Test key for checking the window of a doped region and method of using the test key","assignee":null,"inventors":[],"filing_date":"2016-06-16T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":7,"abstract":"A test key and a method for checking the window of a doped region using the test key are provided in the present invention. The test key includes a P-type first well region on a substrate, a P-type substrate region adjacent to the first well region, a N-type first doped region partially overlapping the first well region, two P-type second doped regions at two opposite sides of the first well region, a N-type second well region surrounding the first doped region, the substrate region and the two second doped regions, and a plurality of test pads above the above-identified region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Test key for checking the window of a doped region and method of using the test key","description":"A test key and a method for checking the window of a doped region using the test key are provided in the present invention. The test key includes a P-type first well region on a substrate, a P-type su","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9685387","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-9685387","citation_suggestion":"Patentable. \"Test key for checking the window of a doped region and method of using the test key\" (US-9685387). https://patentable.app/patents/US-9685387","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9685387","json":"https://patentable.app/api/llm-context/US-9685387","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:38:50.052Z"}