中国光刻设备到底还要多久才能追上？

Core Viewpoint - China has become the largest market for Wafer Fab Equipment (WFE) spending globally, indicating a significant shift in the semiconductor industry landscape [1][2]. Group 1: Market Overview - The WFE market is the segment with the highest technological barriers and value in the semiconductor supply chain, serving as a core indicator of a country's chip self-sufficiency level [2]. - UBS estimates that China's semiconductor equipment spending will reach approximately $42.75 billion in 2025 and is projected to grow to $50.35 billion by 2028, maintaining about one-third of the global procurement share in the coming years [2][3]. Group 2: Domestic Equipment Growth - Domestic manufacturers such as SMIC, Naura, and AMEC are experiencing rapid growth, with expectations that their combined market share in domestic equipment spending will rise to 31% by 2027 [2]. Group 3: Competitive Landscape - While China has achieved international competitiveness in non-lithography equipment such as cleaning, etching, and deposition, lithography machines remain the biggest bottleneck [4]. - Shanghai Micro Electronics has stabilized mass production of mature node models (90nm and above), primarily for power devices, display drivers, and automotive electronics [4]. Group 4: Technological Gaps - The gap in lithography equipment between China and Western countries is significant, with estimates suggesting that KrF lithography will take 3-5 years to catch up, ArF immersion 10-15 years, and Low-NA EUV 20-30 years [6]. - SMIC can utilize ASML's DUV lithography machines to produce 7nm chips through multiple exposure techniques, but this method lacks market competitiveness due to increased costs and complexity [6].