Taipei, Taiwan CNN —

In the largest single foreign investment in US history, Taiwan Semiconductor Manufacturing Company has unveiled a $100 billion investment , drawing global attention and prompting concern in Taiwan.

TSMC, which produces more than 90% of the world’s advanced semiconductor chips that power everything from smartphones and artificial intelligence (AI) applications to weapons, will build two new advanced packaging facilities in Arizona, among others.

Here’s everything you need to know about advanced packaging technology, which has seen exponential demand growth along with the global AI frenzy, and what that means for the struggle between the US and China for AI dominance.

While the two countries have announced a temporary truce that rolled back disruptive three-dig

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