氮化镓器件

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士兰微20250825
2025-08-25 14:36
士兰微 20250825 摘要 士兰微坚持 IDM 模式,通过先进产线和创新产品驱动增长。公司在功率 器件市场竞争激烈,但 IPM 和汽车 IGBT 领域表现突出,2025 年 IPM 营收预计增长近 30%。 士兰微在 MEMS 传感器领域扭转颓势,成为国内少数进入所有品牌手机 厂家的供应商。公司正积极拓展汽车和工业应用,下半年新机型放量将 进一步改善业务。 士兰微在模拟电路和碳化硅业务上取得突破,12 寸平台车规级模拟电路 已推向客户。公司是国内少数自主品牌销售碳化硅产品的企业之一,并 计划完成 8 寸线通线。 士兰微已涉足服务器市场,并重点开发算力市场,推出 Doctor Moss、 氮化镓和碳化硅器件,已应用于算力服务器。算力服务器市场仍处于初 期阶段,需要时间发展。 半导体行业周期性复苏由 AI 驱动,美国已超过中国成为最大半导体消费 市场。士兰微服务众多领域,算力是重点之一,但成熟产线产能投放导 致价格压力增大。 Q&A 士兰微 2025 年上半年财务表现如何? 2025 年上半年,士兰微的营业收入为 63.35 亿元,同比增长约 20%。净利润 扣除非经常性损益后为 2.7 亿元,同比大幅增长 ...
IPF2025 议程更新!英诺赛科/ST意法/天科/天岳/中车/蔚来/东风/小鹏等齐聚无锡,共研功率器件制造测试与应用发展路径
半导体行业观察· 2025-08-17 03:40
由宽禁带半导体国家工程研究中心主办,InSemi Research、协创微半导体联合承办,碳化硅芯观察协办,功率半导体行业联盟、高端芯片产业创新发展联盟、无锡市 半导体行业协会、无锡市集成电路学会协办的 "功率器件制造测试与应用大会(第三届IPF 2025)" 将于 2025年8月21-22日在中国无锡 盛大启幕。 大会最新议程,重磅公布 | 大会议程 | | | | --- | --- | --- | | FORUM AGENDA | | | | . | | | | 0 0 | 产业领袖峰会 | | | INDUSTRY LEADERSHIP SUMMIT | | Dav1 / 8.21 星期四上午 | | 09:00-09:10 | 大会致辞 | | | 09:10-09:30 | 宽禁带半导体功率器件研究进展 | | | 那跃 - 中国科学院 院士 西安电子科技大学微电子学院 教授 | | | | 09:30-10:00 | 功率半导体材料与器件多场跨尺度建模仿真与数字李生 | | | 刘胜 - 中国科学院 院士 武汉大学 教授 | | | | 10:00-10:30 | 碳化硅缺陷对器件性能影响及碳化 ...
光刻机概念活跃 中船特气、凯美特气等涨停
Zheng Quan Shi Bao Wang· 2025-08-13 03:12
Group 1 - The core viewpoint of the news highlights significant advancements in the GaN/SiC integration field, particularly through the establishment of the National Third-Generation Semiconductor Technology Innovation Center in Shenzhen, which has achieved breakthroughs in high-quality GaN/AlGaN heterostructure epitaxy on 8-inch 4° inclined 4H-SiC substrates [1] - The innovation center's achievement is expected to fundamentally address reliability issues in GaN materials by significantly reducing defect density and enhancing thermal performance, thus providing a competitive alternative to existing silicon-based GaN technology [1] - The breakthrough allows for mass production of high-quality GaN epitaxial materials, paving the way for the development and industrialization of GaN/SiC hybrid transistors [1] Group 2 - The demand for high-temperature, high-voltage, high-frequency, and high-power performance in emerging technologies such as 5G, automotive, wireless communication, and aerospace is driving the need for GaN as a representative of third-generation wide bandgap semiconductors [2] - GaN devices exhibit advantages such as low conduction resistance, high electron mobility, and excellent thermal conductivity, which can significantly enhance the performance of new power electronic devices while also achieving energy savings [2] - Major manufacturers are seeking technological breakthroughs in vertical structures and increased integration to obtain superior GaN devices and capture market share, indicating strong growth potential in automotive electrical systems, large-scale integrated circuits, and wireless communication [2]
别再盯着稀土矿了!中国30年布下的产业天网,才是美国最怕的武器
Sou Hu Cai Jing· 2025-06-16 18:47
Core Viewpoint - The essence of the rare earth industry competition is not merely about resource availability or technological barriers, but rather the complex ecological system that supports rare earth refining [1][3][12]. Group 1: Resource and Technology - The United States holds approximately 10% of the world's rare earth reserves, with the Mountain Pass mine being a significant resource [1]. - The technological gap in rare earth separation and purification processes between the U.S. and China is minimal [1]. Group 2: Ecological System - The refining process of materials like gallium exemplifies the paradox of industrial miracles and resource consumption, requiring substantial raw materials and energy [3]. - China's industrial network effectively utilizes by-products from rare earth refining, significantly reducing comprehensive costs by over 40% [5]. Group 3: Challenges in the U.S. - The U.S. faces critical challenges in rebuilding its rare earth supply chain due to a lack of integrated industries to manage by-products, leading to increased environmental costs [7]. - Historical precedents, such as the bankruptcy of Molycorp, highlight the vulnerabilities of isolated production models in the face of price fluctuations [9]. Group 4: Capital and Investment - The financial implications of establishing a rare earth industry in the U.S. are daunting, with initial investments in the billions and negative cash flow concerns [11]. - The potential for U.S. projects to become reliant on government subsidies raises questions about their long-term viability [11]. Group 5: Global Industry Dynamics - The rare earth dilemma reflects a deeper shift in global industrial power, with China's three-decade investment in a comprehensive rare earth ecosystem creating a formidable competitive advantage [12]. - The real competition in the industry has shifted from mining and laboratory work to the ability to construct and maintain ecological systems [14].
英伟达力推数据中心800V革新,需要大量碳化硅/氮化镓
行家说三代半· 2025-05-23 10:00
Core Viewpoint - The article discusses the second power architecture revolution initiated by NVIDIA for data centers, focusing on the transition from 54V low-voltage direct current (DC) to 800V high-voltage direct current (HVDC) systems to improve energy efficiency and reduce power consumption in data centers [2][4][24]. Group 1: Power Architecture Revolution - NVIDIA is collaborating with Infineon and Navitas to develop an 800V HVDC system aimed at reducing energy consumption in data centers [2][5][6]. - The new architecture will require a significant number of silicon carbide (SiC) and gallium nitride (GaN) devices, including various voltage specifications [3][20]. - The shift to 800V HVDC is driven by the exponential growth of AI workloads, which increases the energy demands of data centers [13][24]. Group 2: Benefits of 800V HVDC - The 800V HVDC architecture is expected to reduce copper usage by 45%, improve efficiency by 5%, and lower maintenance costs by up to 70% compared to the existing 54V system [17][24][25]. - The new system allows for higher power capacity and better energy efficiency, while also reducing material costs due to lower copper requirements [22][24]. - By eliminating the need for AC/DC power supply units (PSUs) within IT racks, cooling costs can also be reduced [26]. Group 3: Industry Context and Future Outlook - The article highlights the significant energy consumption of data centers, with China's data centers consuming over 237.2 billion kilowatt-hours in 2021, equivalent to the output of two Three Gorges dams [7]. - The full-scale implementation of the 800V HVDC system is planned for 2027, coinciding with the launch of NVIDIA's Kyber rack-level systems [26].