{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488434","patent":{"patent_number":"US-8488434","title":"Objective lens, optical pickup apparatus using the same, and method for manufacturing objective lens","assignee":null,"inventors":[],"filing_date":"2012-01-27T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":13,"abstract":"Provided is an objective lens manufactured well by using a mold and an optical pickup apparatus including the same. The objective lens of the present invention includes a first region that focuses laser beams of a BD, DVD, and CD standards, a second region that focuses the laser beams of the DVD and CD standards, and a third region that focuses the laser beams of the BD and the DVD standards are provided in this order from a center portion of the objective lens. A first annular zone step provided in the first region has a step amount larger than step amounts of annular zone steps provided in other regions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Objective lens, optical pickup apparatus using the same, and method for manufacturing objective lens","description":"Provided is an objective lens manufactured well by using a mold and an optical pickup apparatus including the same. The objective lens of the present invention includes a first region that focuses las","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488434","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-8488434","citation_suggestion":"Patentable. \"Objective lens, optical pickup apparatus using the same, and method for manufacturing objective lens\" (US-8488434). https://patentable.app/patents/US-8488434","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488434","json":"https://patentable.app/api/llm-context/US-8488434","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:50:29.618Z"}