Recently, the collaboration between the United States and Japan in the fields of semiconductors and rare earth resources has drawn significant attention. Media reports highlight the phrase: ‘The U.S. and Japan worry about chips in the long term and rare earths in the short term’—a succinct summary of their current strategic priorities. In the long run, the two nations are jointly strengthening semiconductor supply chain security by investing in advanced chip manufacturing technologies to reduce reliance on Asian foundries like TSMC and counter China’s growing dominance in this sector. Japan, with its strengths in materials, equipment, and certain high-end chip production capabilities, has become a crucial U.S. partner. However, the immediate concern lies in rare earth elements—critical raw materials for producing chips, electric vehicles, missiles, and other high-tech products. Over 80% of global rare earth processing capacity is concentrated in China, raising fears in Washington and Tokyo that geopolitical tensions could disrupt supply. As a result, both countries are accelerating efforts to diversify rare earth supply chains—reviving domestic mining, investing in projects in Africa and Southeast Asia, and advancing recycling technologies. Overall, the U.S. and Japan aim to build a more resilient industrial foundation through this dual-track strategy of ‘chips plus rare earths,’ though its success remains constrained by technical hurdles, cost pressures, and the complexities of international cooperation.
近期，美日两国在半导体与稀土资源领域的合作引发广泛关注。媒体指出，‘美日远虑芯片，近忧稀土’——这一表述精准概括了双方当前的战略重心。从长远看，美国与日本正携手强化半导体供应链安全，共同投资先进芯片制造技术，以减少对台积电等亚洲代工厂的依赖，并抗衡中国在该领域的崛起。日本凭借其在材料、设备和部分高端芯片制造上的优势，成为美国关键合作伙伴。然而，眼前的‘近忧’则聚焦于稀土资源。稀土是制造芯片、电动汽车、导弹等高科技产品不可或缺的原材料，而全球超过80%的稀土加工产能集中在中国。美日担忧一旦地缘政治紧张升级，稀土供应可能中断，因此正加速推动稀土供应链多元化，包括重启本土开采、投资非洲和东南亚项目，以及加强回收技术研发。总体而言，美日试图通过‘芯片+稀土’双轨战略，在科技竞争中构筑更稳固的产业基础，但其成效仍受制于技术瓶颈、成本压力与国际合作复杂性。
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