TDK to acquire U.S. 3D-printing startup Fabric8Labs for as much as $400 million（約640億円） to advance data-center cooling technology.

What happened: TDK, a Tokyo-based supplier of batteries for Apple iPhones, is acquiring Fabric8Labs, a San Diego-based startup established in 2015 with about 150 staff. The deal, announced on Wednesday, consists of an upfront cash payment plus earnouts spanning several years and is valued at as much as $400 million（約640億円）. Fabric8Labs has developed electrochemical additive manufacturing, a 3D-printing technology suited for metals.

Why it matters: TDK sees Fabric8Labs' copper 3D-printing technology as an efficient way to make cold plates that connect to semiconductors inside data center servers, addressing a key cooling challenge in data centers. The acquisition is described as part of TDK's medium-term growth plan and its data center initiatives, suggesting the company views thermal management for computing hardware as a strategic priority.

What to watch: The deal structure includes earnouts spanning several years, meaning TDK's total payout will depend on Fabric8Labs hitting certain performance milestones. This detail matters because it ties the acquisition cost directly to the startup's ability to deliver on its cooling technology for commercial data center use.