Key Findings
Amkor Technology announced a record-breaking capital expenditure plan of $2.5 billion to $3.0 billion for fiscal year 2026, primarily targeting the expansion of its advanced packaging and test capabilities. This significant investment is strategically directed towards new state-of-the-art facilities in Peoria, Arizona, and Korea, aiming to meet the escalating demand from the AI and high-performance computing markets. The Arizona facility’s first phase is projected for completion in 2027, with production slated to begin in 2028, aligning with U.S. initiatives to strengthen its domestic semiconductor supply chain.
Technical / Clinical Details
Amkor’s investment will focus on critical advanced packaging technologies essential for AI accelerators, including 2.5D/3D packaging, High-Bandwidth Memory (HBM) integration, chiplet technologies, and next-generation test solutions. The new Arizona packaging campus is expected to incorporate capabilities for advanced chiplet integration and CoWoS-like (Chip-on-Wafer-on-Substrate) technologies. This facility will enable complex AI chip assembly and rigorous testing, incorporating advanced thermal management and power delivery solutions. In Korea, the investment will expand existing capacities to support the growing demand for advanced packaging of next-generation memory and logic semiconductors. This substantial outlay will position Amkor to deliver packaging solutions that meet the demanding performance, power efficiency, and reliability requirements of the AI era.
Background & Context
The explosive growth of AI has dramatically increased the demand for AI chips such as GPUs and ASICs, whose performance is increasingly dependent on advanced packaging rather than just process node miniaturization. Historically, much of the advanced packaging capacity has been concentrated in Asia. However, geopolitical concerns and the drive for supply chain resilience have prompted governments, particularly in the U.S., to promote domestic semiconductor manufacturing and packaging capabilities. Amkor’s Arizona plant, in conjunction with TSMC’s fabs in Arizona, will contribute to building an end-to-end semiconductor supply chain within the U.S., from front-end fabrication to back-end packaging and test. This effort is further solidified by Amkor’s 10-year strategic partnership with TSMC, announced in June 2026, aimed at deepening cooperation and expanding packaging capacity across the U.S. semiconductor ecosystem.
Strategic Significance & Outlook
Amkor’s strategic investment is a powerful catalyst for its growth in the AI-driven semiconductor market. The operationalization of the Arizona facility in 2028 will enable Amkor to provide critical advanced packaging services within the U.S., serving key clients like Nvidia, AMD, and Intel. This move is expected to bolster the U.S. semiconductor supply chain, fostering greater regional diversification in advanced packaging. Beyond enhancing Amkor’s competitive edge as an OSAT provider, this investment represents a crucial step towards ensuring a stable and resilient supply of semiconductors for the evolving AI landscape, reflecting a broader industry shift towards more distributed and secure manufacturing capabilities.
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