半导体行业观察
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3D NAND,靠它了
半导体行业观察· 2026-01-06 01:42
Core Insights - The demand for higher capacity flash memory is driven by the growing storage needs at the edge and in the cloud [1] - 3D NAND flash technology is advancing rapidly, with new generations offering 50% faster read/write speeds, 40% higher bit density, lower latency, and improved energy efficiency [1] - Innovations in etching technology, such as low-temperature etching, are crucial for reducing energy consumption and carbon emissions in the semiconductor industry [1] Group 1: 3D NAND Flash Technology - 3D NAND flash manufacturers stack and connect storage cells using increasingly smaller and deeper channels, achieving remarkable production speeds [1] - Major producers of 3D NAND chips include Samsung Electronics, Western Digital, Toshiba's Kioxia, and SK Hynix, who increase the number of word lines by 30% with each generation [2] - The transition from 2D to 3D NAND has led to a focus on vertical construction, allowing for more compact designs and increased bit storage per cell [5] Group 2: Etching Technology - The etching process for NAND flash faces challenges in maintaining vertical profiles while ensuring reasonable etching rates [2] - AI plays a significant role in optimizing etching profiles, which directly impacts NAND flash performance metrics such as read/write speed and programming/erase efficiency [2] - Low-temperature etching techniques are being explored to enhance etching rates and reduce carbon emissions, with estimates suggesting an 84% reduction in greenhouse gas emissions compared to traditional methods [12] Group 3: Manufacturing Challenges and Innovations - The introduction of low-k dielectric materials and air gaps is being researched to mitigate inter-cell interference and improve data retention [18][19] - The complexity and cost of manufacturing increase as manufacturers aim for higher stacking layers and tighter dimensional control [10][11] - AI-assisted optimization methods are being developed to reduce wafer consumption during the early stages of process development, significantly lowering costs and accelerating product development timelines [16]
欧盟补贴51亿,新增两个晶圆厂
半导体行业观察· 2026-01-06 01:42
欧盟委员会已批准向德国提供6.23亿欧元(约合51亿人民币)的国家援助,用于支持德国的两个新的 半导体制造项目,这标志着欧洲在推进芯片自主权方面又迈出了切实的一步。具体而言,这笔资金将 用于支持GlobalFoundries在德累斯顿和X-FAB在埃尔福特运营的两座全新的、独一无二的晶圆厂。 对于eeNews Europe 的读者而言,这项决定意义重大,因为它直接影响欧洲未来获取先进制造业产 能的机会,尤其是在汽车、工业、航空航天和人工智能应用领域。它也揭示了《欧洲芯片法案》下公 共资金的流向,以及政策制定者认为哪些技术具有战略关键性。 公众号记得加星标⭐️,第一时间看推送不会错过。 援助资金中最大的一笔,即4.95亿欧元,将用于支持GlobalFoundries在德累斯顿的"SPRINT"项目。 这家总部位于美国的纯晶圆代工厂计划扩建并改造其现有工厂,以新增300毫米晶圆制造产能。 这些技术最初是在微电子和通信技术综合计划 (IPCEI) 下开发的,但现在将进行改造,以适应包括航 空航天、国防和关键基础设施在内的军民两用市场。这意味着要增加特定的安全性和可靠性功能,并 确保整个制造过程都在欧洲完成。欧盟委员 ...
台积电的真正瓶颈
半导体行业观察· 2026-01-06 01:42
公众号记得加星标⭐️,第一时间看推送不会错过。 2025年底,台积电刚刚完成了2纳米环栅(GAA)晶体管的架构革新——这是自2011年FinFET 问世以来晶体管结构最重大的变革。我们对此里程碑事件进行了广泛报道,实至名归。每片晶 圆的生产设备密集度将增加30%至50% ,这将推动一个持续多年的资本支出周期,SEMI预测到 2027年,该周期将达到1560亿美元。 相关报道指出,台积电表示,2 纳米技术已如期于2025 年第四季开始量产。 N2 技术采用第一代纳 米片(Nanosheet) 电晶体技术,提供全制程节点的效能及功耗进步,并发展低阻值重置导线层与超高 效能金属层间电容以持续进行2 纳米制程技术效能提升。 台积电指出,N2 技术将成为业界在密度和能源效率上最为先进的半导体技术,N2 技术采用领先的 纳米片电晶体结构,将提供全制程节点的效能及功耗的进步,以满足节能运算日益增加的需求。 N2 及其衍生技术将因我们持续强化的策略,进一步扩大台积电的技术领先优势。 与3 纳米的N3E 制程相比,在相同功耗下台积电2 纳米速度增加10% 至15%;在相同速度下,功耗降 低25% 至30%,同时芯片密度增加大于 ...
大厂正在抛弃GPU
半导体行业观察· 2026-01-05 01:49
Core Insights - The global AI infrastructure market is facing a severe supply shortage, particularly for GPUs, with an expected order volume of 2 million units this year against only 700,000 available units [1] - The demand for self-developed ASICs by cloud service companies is projected to grow at a rate of 44.6%, surpassing the 16.1% growth rate for GPUs, indicating a structural shift towards ASIC adoption due to GPU supply constraints [1] - The supply chain risks for GPUs are expected to peak this year, with production processes and high bandwidth memory (HBM) being interlinked, meaning any bottleneck could disrupt overall supply [1] Group 1 - TSMC is expanding its advanced packaging production lines, crucial for AI accelerators, but the gap between rapidly growing order volumes and actual shipments will persist due to the time required for capacity expansion [2] - ASIC chips, initially led by Google's TPU, are gaining attention as they are designed for specific AI workloads, offering advantages in energy efficiency, performance, and total cost of ownership (TCO) in the long run [2] - The AI accelerator market for ASIC users is expected to maintain a compound annual growth rate (CAGR) of approximately 28% until 2030, with the generative AI ASIC market projected to grow from about $24.9 billion in 2024 to approximately $186.7 billion by 2032, reflecting an annual growth rate of around 28.6% [2] Group 2 - This year is viewed as a critical turning point for the ASIC market, with industry executives noting that the current GPU supply shortage is a short-term issue but will have long-term implications on decision-making [3] - Major tech companies are increasingly viewing GPUs as strategic assets rather than stable commodities, leading to a shift towards reducing GPU dependency and increasing the share of ASICs in new data center investment plans [3]
HBM,最新预测
半导体行业观察· 2026-01-05 01:49
2026年,全球半导体行业将进入转型期,市场结构和价值链将进行调整以适应人工智能基础设施的扩 张。预计整个市场规模将接近1万亿美元,其中存储半导体将成为需求和盈利能力的关键驱动力。尤 其值得一提的是,业内专家预计SK海力士将成为这一转变的主要推动力,因为这家芯片制造商拥有 独特的优势,是唯一一家能够可靠地交付HBM3E和下一代HBM4的供应商。 根据世界半导体贸易统计(WSTS)的数据,2026年全球半导体市场将同比增长超过25%,达到约 9750亿美元,其中存储器领域的增长率将达到30%。市场研究公司和投资银行预计服务器和数据中心 存储器市场将出现特别强劲的增长,一些机构估计2026年存储器市场规模将超过4400亿美元。 分析表明,随着人工智能训练和推理服务器投资的增加,每台服务器的DRAM和HBM内存容量也在 稳步增长。与此同时,对企业级固态硬盘(eSSD)等存储设备的需求也在上升,导致整个人工智能 基础设施中内存和存储的占比结构性增加。 自2024年以来,业内人士一直用"超级周期"来形容存储器行业的强劲增长势头。美国银行(BofA) 将2026年定义为"类似于上世纪90年代繁荣时期的超级周期",并预测全 ...
紫光国微拟收购瑞能半导体:“设计+制造”协同开新局
半导体行业观察· 2026-01-05 01:49
行业分析认为,若交易顺利完成,紫光国微将通过整合在功率半导体领域拥有全球市场地位和制造 能力的瑞能半导体, 实现构建"设计+制造"的完整产业链,并将牢牢抓住汽车电子、工业控制等关 键领域的国产化机遇,改变中国功率半导体市场的竞争格局。 此外,本次交易也折射出新紫光集 团加速半导体全产业链整合的战略动向。 2025年12月30日,新紫光集团旗下紫光国微发布重大资产重组公告,拟通过发行股份及支 付现金方式收购瑞能半导体控股权或全部股权,并同步募集配套资金。 中国工程院院士丁荣军曾强调, 功率半导体是保障能源革命推进与国家产业安全的核心关键, 是 中国半导体自主突围的核心抓手。而瑞能半导体,作为 中资控股 下的功率半导体企业,不仅继承 了欧洲老牌半导体产业的深厚技术积淀,也在过去十年间完成了精准的赛道布局,使其在功率半导 体领域形成独特竞争力。 | 证券代码:002049 | 证券简称:紫光国微 | 公告编号:2025-108 | | --- | --- | --- | | 债券代码:127038 | 债券简称:国微转债 | | 设计+制造:强强联手的产业链协同 瑞能半导体前身为恩智浦半导体标准产品事业部,2015 ...
在太空造芯片,迈出重要一步
半导体行业观察· 2026-01-05 01:49
该公司的原型机于今年夏季搭乘SpaceX火箭发射升空,旨在测试太空环境如何提升材料性能。在微 重力环境下,半导体原子可以形成近乎完美的晶体结构,而地球上空的真空环境则几乎完全消除了空 气中颗粒物的污染。这种组合有望生产出结构均匀性更高、电子效率更强的材料。 "我们现在所做的工作使我们能够在太空制造出比我们今天在这里制造的纯度高出 4000 倍的半导 体,"太空锻造公司首席执行官乔什·韦斯特恩告诉 BBC。 他指出,这种高纯度材料对现代基础设施具有实际意义,从 5G 基站到电动汽车充电系统和下一代飞 机。 该公司总部位于卡迪夫,自卫星发射以来,一直持续监测和验证卫星的性能,并将此次任务视为一次 在轨技术演示。 有效载荷操作负责人维罗妮卡·维埃拉分享了来自内部摄像系统的图像,图像显示炉内有明亮的等离 子体发射:一种被加热到大约 1000°C 的气相,这是启动高温材料加工的关键条件。 维埃拉形容看到这张照片是"我人生中最激动人心的时刻之一",并指出在微重力环境下实现稳定的等 离子体生成对公司的发展路线图意义重大。她补充说,这项测试证明了Space Forge公司实现其长期 目标——在太空制造——的"核心要素",也初 ...
一位资深CPU架构师的观察
半导体行业观察· 2026-01-05 01:49
Core Insights - The article emphasizes the need for a collaborative design approach between microarchitecture and process technology to address the increasing challenges of thermal density, power consumption, and performance demands in semiconductor technology [1][3][34] Group 1: Thermal Density - Higher integration leads to increased thermal density, defined as power per unit area, which is exacerbated by shrinking feature sizes and higher integration levels [5] - Current silicon chips can reach critical temperatures rapidly, necessitating the consideration of thermal sensors and cooling measures from the outset [9] - Traditional cooling methods like heat sinks and fans are becoming inadequate, prompting a shift towards microarchitecture and chip layout as primary tools for thermal management [10] Group 2: Efficient Energy Performance - The relationship between performance and power consumption is critical, with voltage scaling showing that while performance increases with voltage, power consumption rises exponentially, highlighting the need for technologies that reduce leakage and capacitance [13][16] - Advances in process technology enable higher performance at constant power and lower power at constant performance, but aggressive size reductions may increase thermal density, requiring architectural responses [16] - Simplifying microarchitecture can reduce area, thereby lowering target frequency, capacitance, and leakage, which is essential for optimizing overall system power consumption [20] Group 3: System-Level Scalability - Amdahl's Law illustrates the limitations of performance scalability in parallel processing, indicating that performance is ultimately constrained by the serial portions of programs [23] - The utilization of active cores varies significantly under typical workloads, affecting power and bandwidth sharing among cores [27] - Key research directions in process technology must align with architectural needs, focusing on low leakage and low capacitance materials, thermal-aware 3D integration, and fine-grained power gating [31][32] Conclusion - Advanced semiconductor process technologies can deliver exceptional performance, but without architectural awareness, their advantages will be limited by power and thermal constraints. A new collaborative design paradigm between architecture and process technology is essential for sustainable, high-performance computing [34]
中国台湾,补贴三类芯片
半导体行业观察· 2026-01-05 01:49
Core Viewpoint - The Taiwanese authorities announced the "Advanced Development Subsidy Program for IC Designers" for 2026, prioritizing support for IC designers in developing chips for drones, robots, and satellite communications to maintain Taiwan's critical position in the global semiconductor industry [1]. Group 1: Subsidy Program Overview - The total budget for this subsidy program in 2023 is set at NT$1.75 billion, with a duration of no more than three years [2]. - The subsidies are divided into two categories: - The first category focuses on "advantageous chip" development, allowing single applications with a maximum subsidy of NT$200 million, targeting innovative chips that address industry technology gaps or market demands, particularly in drones, robots, and satellite communications [2]. - The second category is for "core chip and system development," which allows joint applications with a maximum subsidy of NT$300 million, aimed at developing high-value core chips and modules/systems in collaboration with local system operators [2]. Group 2: Targeted Chip Types and Specifications - The program specifies the types and specifications of chips eligible for subsidies, including: - Communication chips for the drone sector - Composite sensing and control chips for the robotics sector - Ku band RF chips for the satellite communications sector [2].
台积电的秘密武器
半导体行业观察· 2026-01-05 01:49
Core Viewpoint - TSMC controls advanced CoWoS packaging capacity, which is crucial for determining which AI chip manufacturers can scale production, making it a key player in the explosive growth of the AI market [1][2]. Group 1: TSMC's Role in AI Development - TSMC's CoWoS capacity is becoming increasingly critical for the survival and growth of other chip manufacturers and designers, as advanced packaging technology has become a new industry bottleneck [1]. - The rapid development of AI since 2023 has created trillions of dollars in market value, but supply chain bottlenecks, particularly in advanced manufacturing, are limiting growth [1][3]. - TSMC is a key factor in determining the speed and scale of AI development, with its capacity expansion plans aiming to double advanced wafer capacity by 2028 [4]. Group 2: Impact on Competitors - Google has reduced its 2026 TPU production target from 4 million to 3 million units due to limited access to TSMC's CoWoS technology, while NVIDIA has secured over half of TSMC's CoWoS capacity until 2027 [3]. - The shortage of CoWoS capacity may intensify competition, prompting other manufacturers like Intel to fill the gap and compete with TSMC in the foundry services sector [4][5]. - Companies like Google and Apple are exploring alternative solutions, such as Intel's EMIB packaging technology and engaging with Samsung's factories to meet their needs [4].