{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9627561","patent":{"patent_number":"US-9627561","title":"Method for etching multi-layer epitaxial material","assignee":null,"inventors":[],"filing_date":"2015-04-06T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":10,"abstract":"A single-step wet etch process is provided to isolate multijunction solar cells on semiconductor substrates, wherein the wet etch chemistry removes semiconductor materials nonselectively without a major difference in etch rate between different heteroepitaxial layers. The solar cells thus formed comprise multiple heterogeneous semiconductor layers epitaxially grown on the semiconductor substrate."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for etching multi-layer epitaxial material","description":"A single-step wet etch process is provided to isolate multijunction solar cells on semiconductor substrates, wherein the wet etch chemistry removes semiconductor materials nonselectively without a maj","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9627561","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-9627561","citation_suggestion":"Patentable. \"Method for etching multi-layer epitaxial material\" (US-9627561). https://patentable.app/patents/US-9627561","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9627561","json":"https://patentable.app/api/llm-context/US-9627561","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:28:18.494Z"}