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Chiplet封装,新革命
半导体芯闻· 2025-06-26 18:13
从SoC到多芯片集成的转变 - 行业正从传统平面SoC向多芯片集成转变,封装内部需布置更多智能控制器以确保性能最优、信号完整且无宕机 [1] - 逻辑电路被拆解成多个小芯片(chiplet),通过TSV、混合键合或铜线连接,内部交互复杂度显著提升 [1] - 制程变化、不均匀老化、不同负载及热噪声等物理效应使任务管理难度加大 [1] - 高度定制AI芯片开发成本超1亿美元,需平衡性能提升、功耗节省与共性设计复用 [1] 系统调优与生命周期管理 - 系统需根据实时状态自我调优,依赖虚拟模型或硬件在环(HIL)模型进行软件栈演进 [2] - 芯片全生命周期管理为设计增添新维度,高端物理接口(如224G以太网、PCIe Gen7)内置微处理器用于控制、认证及固件更新 [2] - 热管理成为多芯片设计核心难题,源于晶体管密度提升、计算单元利用率增加及电阻升高 [2][3] 热管理与可测性挑战 - 3D封装中热密度是关键问题,需设计复杂散热架构应对逻辑单元与HBM、共封光学组件的热影响 [3] - 可测性被忽视,封装后die故障可能导致整个SiP报废,需将测试前移至晶圆阶段并优化chiplet搭配 [3][4] 智能控制单元部署策略 - 外部调控:通过集中式仪表盘或数字孪生模型管理数据,EDA和设备商视其为巨大机会 [5] - 内部自决:芯片内置传感器实现实时决策,但需牺牲面积与功耗且难以追踪逻辑 [5] - 芯片需内置电压、温度等传感器形成实时监控网络,解决chiplet架构中"无法复现"问题 [5] 标准化与弹性设计 - 行业推动统一chiplet部署框架,如UCIe接口、身份认证等,但安全挑战尚未解决 [6] - 内建自测试(BiST)在封装中压力较小,适用于汽车和航空航天领域,但AI数据中心等"永远在线"场景受限 [6] - 冗余设计提升可靠性,需智能开关系统监测并重定向流量 [7][8] 多芯片封装的优势与需求 - 多芯片封装可容纳更多逻辑与存储单元,实现功耗更低、性能数量级提升 [9] - 异构计算结构需更高实时监控能力,以保障长期稳定运行 [9]
国泰海通|非银:陆家嘴论坛深化改革,重视非银权重股机会
国泰海通证券研究· 2025-06-25 23:12
风险提示: 资本市场剧烈波动。 王思玥(研究助理) 登记编号 报告来源 以上内容节选自国泰海通证券已发布的证券研究报告。 报告名称: 陆家嘴论坛深化改革,重视非银权重股机会 报告日期:2025.06.23 报告作者: 刘 欣琦(分析师) ,登记编号: S0880515050001 孙坤 ( 分析师 ),登记编号:S0880523030001 李嘉木 (分析师),登记编号: S 0880524030003 吴浩东 (分析师),登记编号: S S0880524070001 肖尧 (分析师),登记编号:S 0880525040115 扫码关注 星标不迷路 国泰海通证券研究所官方公众号 海量研报 | 热门活动 | 视听 内容 陆家嘴论坛期间,中央及金融监管部门密集出台重磅政策,共同指向深化资本市场改革与提升上海国际金 融中心能级。证券行业将因科创板扩容、硬科技企业增多带动的投行与并购业务增长,以及跨境投融资需 求而受益。 稳股市背景下,我们建议重视低估值且欠配的权重股的机会,非银权重股从"基本面的边际思维"转向"总量 风险收益比的总量思维"。尤其是近期鼓励红筹和H股回A的政策下,港股的非银权重股更为受益。 金融科技方 ...
【公告全知道】固态电池+军工+人形机器人+无人机+MCU芯片!公司在人形机器人方面重点布局精密轴承和丝杠
财联社· 2025-06-25 22:23
每周日至每周四推送明日股市重大公告!内容包含"停复牌、增减持、投资中标、收购、业绩、解禁、 高送转"等一系列个股利好利空公告,其中重要公告均以红色标注,帮助投资者提前寻找到投资热点, 防范各类黑天鹅事件,并且有充足的时间进行分辨和寻找合适的上市公司。 ①固态电池+军工+人形机器人+无人机+MCU芯片!这家公司参股企业是中国最早布局固态电池的企业之 一,在人形机器人方面重点布局精密轴承和丝杠;②数字货币+跨境支付+区块链+国产芯片+云计算+华为 鸿蒙!这家公司区块链密码相关产品已经在数字货币业务中得到应用;③人形机器人+无人驾驶+特斯拉! 公司拟通过股权收购快速进入人形机器人等新兴领域。 前言 ...
NVDA, INTC and AMD Forecast – Microchip Stocks Look Positive in Premarket
FX Empire· 2025-06-25 20:36
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My Dividend Stock Portfolio: New May Dividend Record - 100 Holdings With 15 Buys
Seeking Alpha· 2025-06-25 20:10
市场动态 - 2025年5月市场波动持续 投资者对华盛顿和华尔街的复杂信号感到困惑 [1] - 贸易紧张局势仍是头条新闻 但初期恐慌有所消退 [1] 投资组合策略 - 投资组合专注于股息增长策略 涵盖高收益和低收益蓝筹股 [1] - 主要关注具有长期股息支付记录的蓝筹股公司 [1] - 使用Google和Excel开发电子表格分析财务数据 [1] 投资经验 - 投资经验为2年 此前观望时间较长 [1] - 通过股票所有权、期权或其他衍生品持有所有提及股票的多头头寸 [1]
台积电,再创新高
半导体芯闻· 2025-06-24 18:03
全球半导体晶圆代工市场表现 - 2025年第1季全球半导体晶圆代工市场营收达720亿美元,年增13%,主要受AI与高效能运算(HPC)芯片需求推动 [1] - 台积电首季市占率提升至35%新高,营收年增超30%,显著领先产业整体增速 [1][2] - 先进制程(3纳米/4纳米)与先进封装技术成为主要成长驱动力 [1] 厂商竞争格局 - 台积电凭借先进制程与封装技术优势巩固市场主导地位,Intel在18A/Foveros技术取得进展,三星3纳米GAA仍面临良率挑战 [2] - 封装测试(OSAT)产业营收年增7%,日月光/矽品/Amkor因承接台积电AI芯片外溢订单受益明显 [1] - 非记忆体IDM厂商(NXP/Infineon/Renesas)受车用/工业需求疲弱影响,营收年减3% [2] 技术发展趋势 - AI成为重塑晶圆代工供应链的核心动力,推动产业从线性制造向"Foundry 2.0"高度整合价值链转型 [3] - 2纳米制程推进与AI/Chiplet设计复杂度提升,带动光罩领域需求增长 [2] - Chiplet整合技术与系统级协同设计将引领新一轮半导体创新 [3]
A Once-in-a-Decade Opportunity: 1 Blue-Chip Stock Down 50% to Buy and Hold
The Motley Fool· 2025-06-24 17:46
Blue chip stocks possess several important attributes. The businesses behind the stocks are large and financially strong and usually leaders in their markets. They also have a reputation for dependability. The company suspended its full-year 2025 guidance, mainly because of higher-than-anticipated Medicare Advantage costs, and its former CEO Andrew Witty unexpectedly stepped down. The Wall Street Journal reported that the U.S. Department of Justice has launched a criminal investigation into UnitedHealth Gro ...
摩根士丹利:中美脱钩与半导体设备选股策略
摩根· 2025-06-23 10:09
June 19, 2025 10:22 AM GMT Semiconductor Production Equipment | Japan US-China Decoupling and SPE Stock Picking Texas Instruments has decided on the heaviest investment in domestic legacy semiconductor production ever in light of the Trump administration's manufacturing repatriation policy. NVIDIA is to exclude China sales from guidance. We identify SPE stocks likely to benefit from ongoing global decoupling. Key Takeaways TI announces large-scale investment in US: Texas Instruments (covered by Joseph Moore ...
Kroger shares surge 7% after raising full-year sales forecast despite leadership shake-up
Proactiveinvestors NA· 2025-06-20 22:18
About this content About Ian Lyall Ian Lyall, a seasoned journalist and editor, brings over three decades of experience to his role as Managing Editor at Proactive. Overseeing Proactive's editorial and broadcast operations across six offices on three continents, Ian is responsible for quality control, editorial policy, and content production. He directs the creation of 50,000 pieces of real-time news, feature articles, and filmed interviews annually. Prior to Proactive, Ian helped lead the business outpu ...
Could AMD Finally Challenge Nvidia With Its MI400 AI Chips?
The Motley Fool· 2025-06-20 17:20
Advanced Micro Devices (AMD -0.20%) has built a sizable AI accelerator business over the past few years, but it's a drop in the bucket compared with market leader Nvidia (NVDA 0.87%). While Nvidia's data center segment generated more than $39 billion in revenue during the most recent quarter alone, AMD managed just $5 billion in AI accelerator revenue in all of 2024.AMD's latest Instinct MI350X and MI355X graphics processing units (GPUs) are powerful, delivering four times the AI compute performance and 35 ...