{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11988702","patent":{"patent_number":"US-11988702","title":"Method and system for inspection of defective MTJ cell in STT-MRAM","assignee":null,"inventors":[],"filing_date":"2019-03-26T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":21,"abstract":"The present invention relates to a film quality inspection method and system for providing a stress evaluation scheme for inspection of film quality of a magnetic tunnel junction (MTJ) cell of spin-transfer torque magnetic random access memory (STT-MRAM), wherein a bipolar signal and a unipolar signal including a unipolar hole (positive polarity) and a unipolar electron (negative polarity) are simultaneously applied to the same MTJ cell, and then according to a result of a comparison of a cycling gap, the quality of a thin film having a thickness of about 1 nm may be inspected."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and system for inspection of defective MTJ cell in STT-MRAM","description":"The present invention relates to a film quality inspection method and system for providing a stress evaluation scheme for inspection of film quality of a magnetic tunnel junction (MTJ) cell of spin-tr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11988702","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-11988702","citation_suggestion":"Patentable. \"Method and system for inspection of defective MTJ cell in STT-MRAM\" (US-11988702). https://patentable.app/patents/US-11988702","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11988702","json":"https://patentable.app/api/llm-context/US-11988702","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:32:24.374Z"}