{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8492891","patent":{"patent_number":"US-8492891","title":"Cu pillar bump with electrolytic metal sidewall protection","assignee":null,"inventors":[],"filing_date":"2010-04-22T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"A copper pillar bump has a sidewall protection layer formed of an electrolytic metal layer. The electrolytic metal layer is an electrolytic nickel layer, an electrolytic gold layer, and electrolytic copper layer, or an electrolytic silver layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Cu pillar bump with electrolytic metal sidewall protection","description":"A copper pillar bump has a sidewall protection layer formed of an electrolytic metal layer. The electrolytic metal layer is an electrolytic nickel layer, an electrolytic gold layer, and electrolytic c","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8492891","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-8492891","citation_suggestion":"Patentable. \"Cu pillar bump with electrolytic metal sidewall protection\" (US-8492891). https://patentable.app/patents/US-8492891","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8492891","json":"https://patentable.app/api/llm-context/US-8492891","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:35:05.153Z"}