Packaging was the boring part. Now it is the queue

The week’s AI story was told in index points. The more durable story was told in factory floors, and it is about the least glamorous step in making a chip: packaging.

What changed. Packaging used to mean protecting a chip and connecting it to a circuit board. For AI processors it now means joining processors and memory on a shared base so they work as one system at high speed¹. As shrinking transistors gets harder and dearer, more of the performance gain comes from this step¹. “Packaging was always that thing that you just didn’t worry about,” former Intel chief executive Pat Gelsinger told reporters in Taipei; he estimates it could eventually account for as much as half the value of a chip product¹.

The numbers. Research firm Yole Group forecasts that revenue from advanced packaging will overtake the traditional route for the first time in 2026, with capital spending on it nearing $28 billion¹. Nvidia is providing billions of dollars in financing to expand CoWoS packaging capacity at SPIL, a unit of Taiwan’s ASE, according to an industry executive cited by Reuters; Nvidia did not comment and ASE does not comment on rumours¹. AMD has unveiled more than $10 billion of investment across Taiwan’s chip industry, including packaging partnerships¹. Taiwan’s Powertech plans to put $400 million into a packaging joint venture with Broadcom in Singapore¹.

The quote that matters. “The most important thing right now is capacity,” said Powertech’s Jim Lin, adding that customers were waiting for the company to ramp up¹. AMD’s Lisa Su, asked about alternatives to TSMC, said simply: “we do need more capacity overall”¹.

The memory twist. On Friday TSMC’s US-listed shares rose more than 6% in early trading on a report by The Information that it is drawing up plans to make 3D DRAM, a stacked memory, at Nvidia’s request². TSMC told the publication its focus remains its core foundry business, and no timeline has been disclosed². Memory is cyclical, India Today notes: today’s shortage can be tomorrow’s glut².

For you. When a market tells you the AI build-out is over on Thursday and back on Friday, look at the queues instead. Customers waiting for packaging capacity is not a mood. It is an order book.