半导体行业观察

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中国科学家推出全球最强光计算芯片
半导体行业观察· 2025-06-21 03:05
Core Viewpoint - Chinese scientists have developed a groundbreaking optical chip that could revolutionize data processing, achieving a computation speed of 25.6 trillion operations per second, comparable to the most advanced GPUs available today [4][6]. Group 1: Technological Innovation - The new optical chip utilizes a reconfigurable architecture that employs soliton micro-comb sources to split light beams into over 100 wavelengths, allowing for parallel data processing without increasing size or frequency [4][5]. - This innovation significantly enhances performance and processing efficiency, particularly in tasks such as image recognition, physical simulation, and artificial intelligence [5][6]. Group 2: Implications for Edge Computing - Researchers believe that the chip's low latency and high-density capabilities could transform edge computing, which is critical for systems requiring rapid response times, such as drones, communication centers, and remote sensors [6]. Group 3: Industry Leadership - The publication of this research in the journal "eLight" highlights China's growing leadership in the field of photonic computing, paving the way for future intelligent machines powered by light rather than electronics [6].
软银在美建厂,拉拢台积电
半导体行业观察· 2025-06-21 03:05
Core Viewpoint - SoftBank's CEO Masayoshi Son is promoting a $1 trillion integrated facility in the U.S. for manufacturing robotics and artificial intelligence, aiming to bring manufacturing back to the U.S. [1][6] Group 1: Investment and Partnerships - Son is seeking TSMC as a partner for a $165 billion investment in the U.S., with the first factory already established in Arizona [3][9] - The integrated facility, dubbed the "Crystal Land Project," aims to advance AI development and ensure a lasting legacy for Son [6] - SoftBank is exploring potential investors, including major tech companies like Samsung [8] Group 2: Government Support and Tax Incentives - The ambitious facility requires support from the Trump administration, with discussions ongoing about possible tax incentives for companies investing in the project [7] - SoftBank executives have engaged with federal and state officials, including Commerce Secretary Howard Lutnick, regarding potential tax breaks [7] Group 3: Data Centers and Financing - SoftBank has made significant investments in OpenAI, leading a $40 billion funding round, as both companies seek to raise hundreds of billions for large data centers crucial for the AI industry [10][11] - The financing approach for the "Crystal Land" project may follow a similar model to the $500 billion "Stargate" project, allowing for project-specific funding rather than raising a large sum upfront [13] Group 4: Current Status and Future Plans - The plans for the integrated facility and partnerships are still in preliminary stages and may evolve [14]
中介层困局
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - The article discusses the limitations and challenges of interposer line lengths in advanced packaging, highlighting the differences between electrical and optical interposers and the implications for signal integrity and transmission efficiency [1][11]. Group 1: Interposer Types and Challenges - There are two main types of interposers in production: organic interposers (RDL) and silicon interposers, with organic interposers being significantly cheaper to produce but having larger feature sizes [2]. - The use of silicon does not necessitate narrow lines, as wider signal lines require more signal layers, which is undesirable for manufacturers [2][3]. - The resistance of narrow lines in organic interposers leads to significant insertion loss, which is a major concern for clients [3][5]. Group 2: Signal Integrity and Grounding - Signal integrity is heavily reliant on good grounding, typically provided by ground layers, which can serve multiple functions including power delivery and impedance control [7]. - Controlled impedance is crucial for maintaining signal quality, and even short lines can suffer from interference or crosstalk [7][8]. - Designers strive to minimize loss and maintain grounding around high-speed lines, which can be challenging due to manufacturing constraints [8][10]. Group 3: Optical Interposers and Future Directions - Optical interposers face fewer limitations compared to electrical ones, as optical signals can transmit over longer distances [1][11]. - The integration of optical devices into packaging is a growing trend, with technologies like Lightmatter's Passage aiming to combine CMOS and silicon photonics within an interposer [11][12]. - While photonics offers a potential long-term solution to line length limitations, it is not yet ready for mass production [14].
模拟的新突破:150G的DAC
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - IMEC has achieved a significant breakthrough in analog design with a 7-bit, 150 GSa/s DAC using PAM-4 modulation, targeting speeds of up to 300 Gb/s per channel, which paves the way for enhanced interconnect speeds in data centers and large-scale computing architectures [1][2]. Group 1: Technological Advancements - The DAC is built on IMEC's advanced 5nm FinFET CMOS platform, addressing the challenges of high-speed link design amid increasing data density from AI and cloud workloads [1][2]. - The new chip combines speed and energy efficiency, aiming for data rates exceeding 200 Gb/s per channel, with a long-term goal of reaching 400 Gb/s [1][2]. Group 2: Market Implications - Europe has lagged behind the US and Asian manufacturers in cutting-edge DAC and ADC development, but IMEC's announcement signals that local research and design can meet global OEM demands for large-scale data interconnects [2][3]. - The DAC's application environment is crucial, as it meets industry demands for multi-channel and 400 GbE developments, potentially serving as a foundation for future 300-400 GSa/s converters [2][3]. Group 3: Future Directions - IMEC plans to double the sampling rate to 300 GSa/s and increase bandwidth to over 100 GHz, indicating a clear direction for future development [3]. - This advancement provides a practical reference design rooted in European R&D for engineers working on analog-intensive high-speed interfaces, demonstrating that Europe can maintain a leading position in the analog IP domain [3].
定制HBM,大战打响
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - SK Hynix has positioned itself as a leader in the customized high bandwidth memory (HBM) market, primarily serving major clients like Nvidia, Microsoft, and Broadcom, amidst increasing demand for tailored AI memory solutions [1][3]. Group 1: Market Position and Clientele - SK Hynix has begun designing customized HBM based on specific client requirements, focusing on delivery timelines from its largest client, Nvidia [1]. - The company has received requests for customized HBM from the "Seven Giants" of the tech industry, including Apple, Microsoft, Google, Amazon, Nvidia, Meta, and Tesla [1]. - SK Hynix is expected to lead the customized HBM market, leveraging orders from major clients [3]. Group 2: Competitive Landscape - Samsung is anticipated to launch its first customized HBM, likely HBM4E, in the second half of next year, while SK Hynix is already a step ahead with HBM4 samples delivered to Nvidia [2][4]. - SK Hynix holds a significant market share in the global HBM market, with approximately 50%, followed by Samsung at 30% and Micron at 20% [4]. Group 3: Financial Performance and Investment - SK Hynix plans to invest 20 trillion KRW (approximately 14.5 billion USD) to convert its M15X factory into a production base for advanced DRAM and HBM [4]. - The market for customized HBM is projected to grow from 18.2 billion USD in 2024 to 130 billion USD by 2033, driven by the shift of large tech companies towards optimized AI services [3]. Group 4: Stock Performance and Investor Sentiment - SK Hynix's stock has surged by 41.8% this year, significantly narrowing the market capitalization gap with Samsung Electronics, which has seen a 12.4% increase [5]. - Foreign investors have played a crucial role in driving SK Hynix's stock price, with net inflows reaching 1.63 trillion KRW, the highest among stocks on the Korean exchange [5]. - Analysts express confidence in SK Hynix's HBM performance despite uncertainties in the semiconductor industry, with expectations of exceeding profit forecasts in the upcoming quarter [5].
MEMS,卷土重来
半导体行业观察· 2025-06-20 00:44
公众号记得加星标⭐️,第一时间看推送不会错过。 来源:内容 编译自 Yole 。 正如我们之前报告版本所预期,2024 年 MEMS 行业将迎来新的发展机遇。全球营收达到 154 亿美 元(同比增长 5%),这主要得益于第二季度"库存效应"的结束。事实上,2024 年的出货量达到了 310 亿颗。我们预计,得益于所有终端市场大趋势推动的需求增长,以及市场逐渐恢复到"新冠疫情 之前的格局",2025 年的业绩将更加出色。 在消费电子领域,我们仍然预计智能手机中新型传感器的集成将普遍停滞,而市场对可穿戴设备(例 如TWS耳机)中MEMS器件的兴趣将日益增长。我们仍然预计AR/VR头显将在2030年左右迎来长远 发展,这将为LBS、惯性传感器和麦克风带来巨大的市场需求。可穿戴应用领域对MEMS微型扬声器 的关注也可能为其带来良好的发展机遇,因为其SMD集成特性以及抗尘防潮的特性使其成为此类应 用的优势。此外,随着全球对室内外空气质量的日益关注,环境传感器、流量传感器和压力传感器等 产品将应用于空气净化器、恒温器和住宅暖通空调系统。 2023年至2024年间,整体汽车市场相当稳定。此外,汽车行业正在发生深刻的变革。随 ...
关于ASIC,Marvell:最新预测
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - The article emphasizes the shift towards "customization" in the AI chip industry, highlighting that traditional general-purpose GPUs are no longer the sole solution as companies recognize the need for tailored AI chips to meet diverse application requirements [1][4]. Group 1: Industry Trends - Major cloud giants like Google, Amazon, and Microsoft are accelerating their self-developed chip initiatives to diversify beyond NVIDIA's solutions [2]. - The capital expenditure of the top four cloud providers is projected to reach approximately $1,500 billion in 2023, growing to over $2,000 billion in 2024 and exceeding $3,000 billion by 2025, with a significant portion allocated to custom chips [4][6]. - Emerging companies are also investing in their data infrastructure, indicating a broader trend towards customization beyond the traditional giants [4]. Group 2: Company Strategies - Broadcom focuses on large-scale integration and platform design, while Marvell pursues growth through strategic acquisitions, enhancing its technology portfolio [3]. - Marvell has established a unique position as an end-to-end custom silicon provider, integrating system architecture design, advanced IP technology, and comprehensive chip services [9][16]. - Marvell's recent investor event showcased its strategic advancements in custom AI infrastructure, revealing its full-stack capabilities from IP to customer projects [3][4]. Group 3: Market Opportunities - The custom AI chip market is expected to grow significantly, with a projected market size of $94 billion by 2028, driven by a compound annual growth rate (CAGR) of 35% [6][8]. - The custom computing segment is the largest and fastest-growing part of this market, with the XPU market alone estimated at $40 billion and a CAGR of 47% [8][14]. - Marvell has secured 18 custom chip orders from major cloud providers, indicating a substantial potential lifetime revenue market of $75 billion [8][9]. Group 4: Technological Innovations - Marvell's technology stack includes advanced manufacturing processes (5nm and 3nm), with plans for 2nm testing chips, positioning it at the forefront of the industry [9][21]. - The company emphasizes the importance of data movement in AI chip performance, with its SerDes technology achieving world-leading speeds of 448Gbps [24][26]. - Marvell's modular HBM architecture allows for greater flexibility and efficiency in AI chip design, significantly reducing power consumption and improving performance [30][32]. Group 5: Strategic Partnerships - Marvell's long-term collaboration with Microsoft has evolved into a strategic partnership, focusing on end-to-end optimization of AI infrastructure [34]. - The company is positioned as a key player in the custom AI chip market, leveraging its comprehensive capabilities to support the evolving needs of cloud service providers and AI model companies [34].
AI/ML × EDA 案例:从局部最优走向全局拟合 —— IC-CAP 2025助力半导体参数提取自动化
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - Keysight's ML Optimizer offers a revolutionary solution for semiconductor parameter extraction, addressing the complexities and inefficiencies of traditional optimization methods [2][29]. Group 1: Challenges in Parameter Extraction - The complexity of semiconductor device models has increased, making parameter extraction a significant challenge due to the large number of interrelated parameters [6][11]. - Traditional optimization algorithms, such as Newton-Raphson and Levenberg-Marquardt, often get trapped in local optima, leading to suboptimal extraction results [7][9]. Group 2: Introduction of ML Optimizer - Keysight introduced the ML Optimizer, which utilizes machine learning techniques to dynamically learn the optimization space, allowing for simultaneous optimization of over 40 parameters and multiple target plots [12][13]. - The ML Optimizer is designed to be robust against noise and does not rely on gradient information, making it more effective in non-convex spaces [12][13]. Group 3: Practical Applications and Benefits - In practical applications, the ML Optimizer demonstrated its efficiency by achieving good fitting for a diode model in approximately 300 trials, regardless of initial conditions [16]. - For the GaN HEMT model, the ML Optimizer completed parameter extraction in under 6000 trials within minutes, showcasing its speed and effectiveness [17]. - The optimizer enhances convergence and robustness through an integrated cost function, allowing it to handle complex models like BSIM4 and ASM-HEMT [18][19]. Group 4: Summary and Future Outlook - The ML Optimizer significantly simplifies the parameter extraction process, reducing modeling time from several days to just hours while improving fitting quality and consistency [29]. - The tool was showcased at IC-CAP 2025, with a recorded webinar available for further insights and demonstrations [23].
2025 MWC 上海|德明利交出“国产存储新答卷”
半导体行业观察· 2025-06-20 00:44
Core Viewpoint - The article highlights the significant growth and strategic positioning of Demingli in the embedded storage market, driven by the increasing demand for low-power, high-integration storage solutions due to the explosive growth of AI applications [3][16]. Group 1: Company Performance - Demingli's embedded storage business achieved revenue of 843 million yuan in 2024, marking a staggering year-on-year growth of 1730.6%, accounting for 17.7% of the company's total revenue [3]. - The company has successfully integrated its embedded products into the supply chains of several well-known enterprises, achieving important breakthroughs in both brand terminals and industrial clients [3]. Group 2: Product Offerings - At MWC, Demingli showcased a range of embedded products tailored for various applications, including high-performance, low-power, and large-capacity eMMC, UFS, and LPDDR4X/5/5X for AI terminals [5]. - The company also presented industrial-grade eMMC products designed for high stability and reliability in complex environments, catering to industrial automation and security monitoring [5]. - Additionally, Demingli exhibited a diverse product line including PCIe 5.0 SSDs and DDR5 memory modules, demonstrating its comprehensive capabilities in storage technology [8]. Group 3: Strategic Development - Demingli is focused on building a full-stack capability that encompasses everything from chip design to firmware development, packaging testing, and mass production delivery [10]. - The company is investing in deep research and development in the storage main control chip sector, aiming to accelerate the domestic substitution process through self-controllable core technologies [12]. - Demingli plans to continue expanding its embedded storage product lines into high-threshold fields, actively exploring new markets such as communications and the Internet of Things while deepening industry chain collaborations [14].
英伟达疯狂投资,构建AI帝国
半导体行业观察· 2025-06-20 00:44
公众号记得加星标⭐️,第一时间看推送不会错过。 来源:内容 编译自 techcruch 。 没有哪家公司比英伟达更能从人工智能革命中获益。自两年多前推出 ChatGPT 以来,以及此后推出 的众多竞争性生成式人工智能服务,英伟达的收入、盈利能力和现金储备都大幅飙升。其股价也一路 飙升。 在此期间,这家全球领先的高性能 GPU 制造商利用其不断膨胀的财富大幅增加了对各种初创企业的 投资,尤其是对人工智能初创企业的投资。 PitchBook 数据显示,这家芯片巨头在 2024 年加大了风险投资力度,参与了 49 轮人工智能公司融 资,较 2023 年的 34 轮大幅增长。与前四年的总和相比,这笔投资额大幅增长,而前四年英伟达仅 参与了 38 笔人工智能交易。需要注意的是,这些投资不包括其正式的企业风险投资基金 NVentures 的投资,后者在过去两年也大幅增加了投资。(PitchBook 表示,NVentures 在 2024 年参与了 24 笔交易,而 2022 年仅为 2 笔。) 到2025年,Nvidia已经参加了七轮比赛。 Nvidia表示,其企业投资的目标是通过支持其认为是"游戏规则改变者和市场创造者 ...