长江存储在美国“反击”

观网财经07-22

日前，据美国科技网站Tomshardware报道，中国存储芯片厂商长江存储再度在美国加州北区对美光提起诉讼，指控这家美国公司侵犯了其11项专利，涉及3D NAND的各个方面。长江存储请求法院下令，要求美光停止在美国销售其闪存，并向其支付专利使用费。长江存储表示，美光的96层（B27A）、128层（B37R）、176层（B47R）和232层（B58R）3D NAND存储器以及美光的部分DDR5 ...

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NAND的各个方面。长江存储请求法院下令，要求美光停止在美国销售其闪存，并向其支付专利使用费。长江存储表示，美光的96层（B27A）、128层（B37R）、176层（B47R）和232层（B58R）3D NAND存储器以及美光的部分DDR5 ...</p>\n\n<a href=\"https://usstock.jrj.com.cn/2024/07/22183441710716.shtml\">网页链接</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"LU1267930813.SGD","symbol_name":"FRANKLIN TEMPLETON SHARIAH GLOBAL EQUITY \"AS\" (SGD) ACC","start_time":0,"source_url":"https://usstock.jrj.com.cn/2024/07/22183441710716.shtml","article_id":"2453768683","we_media_id":null,"thumbnails":[],"rights":null,"url":"https://stock-news.laohu8.com/highlight/detail?id=2453768683","pubTimestamp":1721644440,"sourceInfo":{"source_id":"jinrongjie_highlight","name":"金融界"},"weMediaInfo":null,"summary":"日前，据美国科技网站Tomshardware报道，中国存储芯片厂商长江存储再度在美国加州北区对美光提起诉讼，指控这家美国公司侵犯了其11项专利，涉及3D NAND的各个方面。长江存储请求法院下令，要求美光停止在美国销售其闪存，并向其支付专利使用费。这次起诉，并非长江存储在美国的第一次“反击”。2023年11月，长江存储在美国加州北区地方法院，对美光及子公司美光消费类产品事业部提起诉讼，指控美光侵犯8项与3D NAND 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NAND的各个方面。长江存储请求法院下令，要求美光停止在美国销售其闪存，并向其支付专利使用费。长江存储表示，美光的96层（B27A）、128层（B37R）、176层（B47R）和232层（B58R）3D NAND存储器以及美光的部分DDR5 SDRAM产品（Y2BM系列）侵犯了其在美国提交的11项专利或专利申请，它们涵盖了3D NAND和DRAM功能的基本方面。2022年底，美国商务部根据所谓的“证据”，以威胁其国家安全为由，将长江存储列入了实体清单，使其不能从美国获得128层及以上的3D NAND的晶圆制造设备和技术。这次起诉，并非长江存储在美国的第一次“反击”。2023年11月，长江存储在美国加州北区地方法院，对美光及子公司美光消费类产品事业部提起诉讼，指控美光侵犯8项与3D NAND Flash相关的美国专利。另外，今年6月7日，长江存储在美国加州北区联邦地区法院提起诉讼，指控受美光资助的丹麦咨询公司Strand Consult及副总裁雷顿（Roslyn Layton）散布虚假信息，破坏长江存储的市场声誉和商业关系。此外，长江存储仍在努力利用国内技术和原有设备继续发展其3D NAND存储器。该公司的Xtacking3.0闪存已投入量产（其中一些设备甚至不违反美国制裁），具有高达2400 MT/s的接口。今年早些时候，长江存储表示已成功将3D QLC NAND的耐用性大幅提高到3D TLC NAND的水平（达到4000次编程/擦除周期），这显著改善了廉价SSD的特性。值得一提的是，媒体6月报道，美国的Patriot Memory正在准备一款高端新产品——Viper PD573 SSD ，基于中国联芸科技的控制器和长江存储的3D NAND闪存，其读取速度高达14GB/s，写入速度达到 12GB/s。这一合作进一步证明了长江存储在3D NAND闪存市场上的重要地位。\n\n\r\n            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