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Samsung Electro-Mechanics' $5B Substrate Bet Is the AI Shortage Speaking Won

Published September 29, 20266 min read
Enclosed production machines line a long, empty aisle inside an electronics-component factory.
Manufacturing capacity is at the center of Samsung Electro-Mechanics’ AI substrate investment. Illustration: MarketIntelLabs

Samsung Electro-Mechanics approved the largest single-product investment in its history on September 28, and almost nobody outside Seoul's component beat noticed. The board signed off on 6.78 trillion won, about $5 billion at the 1,365.10 won/dollar rate quoted on September 29, to expand FC-BGA package substrate capacity: 4.27 trillion won at the Sejong plant, with mass production targeted for September 2028, and 2.51 trillion won through its Vietnamese subsidiary for completion by April 2028. That equals 43.6 percent of the company's 9.7973 trillion won in capital paid in as of last year-end, per the company's disclosure. A company that makes the laminated boards every AI accelerator and se…

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Samsung's $5B Substrate Bet and the AI Shortage | MarketIntelLabs