掘金洁净室第 1 期：洁净室短缺对哪些环节造成了影响？

Investment Rating - The report indicates a positive outlook for the cleanroom sector, suggesting that the demand for cleanrooms is expected to continue increasing due to the semiconductor industry's growth [10]. Core Insights - The cleanroom shortage has garnered attention from various stakeholders in the semiconductor supply chain, including storage, wafer foundries, and equipment manufacturers, indicating a rising demand for cleanroom facilities [8][10]. - Major companies like Micron and Samsung are planning to invest in additional cleanroom capacity to meet the growing demand for advanced memory technologies, particularly HBM, which has a higher wafer consumption ratio compared to DDR5 [10]. - TSMC is also facing capacity constraints in its 3nm production due to high demand from companies like NVIDIA and AMD, leading to an anticipated increase in monthly production capacity despite cleanroom space limitations [10]. - Equipment manufacturers such as ASML, Lam Research, and KLA have reported that the physical capacity of wafer fabs is a significant constraint on expanding production to meet customer demand, with many fabs nearing full operational capacity [10]. Summary by Sections Semiconductor Storage Companies - Micron is shifting memory demand from DDR5 to HBM, which requires more cleanroom space, prompting plans for additional cleanroom investments [10]. - Samsung anticipates supply expansion limitations in 2026 and 2027 due to the scarcity of cleanroom space and is planning to invest in new wafer fabs to secure cleanroom capacity [10]. Wafer Foundries - TSMC is expected to increase its 3nm capacity by an additional 20,000 wafers per month, but is constrained by cleanroom space [10]. Equipment Manufacturers - ASML reported a revenue of €7.2 billion in Q4 2025, with CEO emphasizing that many fabs are operating at near full capacity, limiting new capacity releases due to land, power, and cleanroom space constraints [10]. - Lam Research achieved revenue of $5.1 billion, with management noting that existing fabs have little excess capacity, and new factory construction typically takes over two years [10]. - KLA reported a record revenue of $2.9 billion, with the CEO highlighting customer efforts to increase equipment density and process efficiency within limited space [10]. Market Outlook - The cleanroom sector is expected to see growth in both scale and profitability driven by AI-related semiconductor demand, with recommended investments in companies like Axiom Integration and Shenghui Integration overseas, and Deep Sanda A and Bocheng Co. domestically [10].