Silicon Box, created by Marvell's co-founders and CEO BJ Han, opens a Singapore-based chip foundry for chiplets, planning to spend $2B and creating 1,000+ jobs
Context & Ripple Effects
Silicon Box is BJ Han's post-Marvell bet that chiplet assembly deserves its own dedicated foundry rather than living inside logic fabs or OSAT packaging lines. The $2B Singapore plant lands in a corridor already stacking up capacity: GlobalFoundries opened a $4B fabrication plant there months later, and Micron followed with a $7B expansion anchored by an HBM plant. The model travels too — by early 2024 an Italian minister had disclosed €3.2B plans for a European factory, making this opening the proof-of-concept for a multi-region chiplet-manufacturing play.
First-order effects
- Singapore gains 1,000+ advanced-packaging jobs and a merchant option for chip designers who want chiplet integration without owning a fab or contracting a traditional OSAT.
Second-order effects
- Intel's $7B Penang packaging expansion now competes directly for the same Southeast Asian advanced-assembly work, pushing both toward price and turnaround-time competition for chiplet customers.
- Equipment and materials vendors gain a second anchor customer in Singapore alongside GlobalFoundries and Micron, reinforcing the supplier density that makes each new announcement cheaper to execute.
Third-order effects
- If chiplet-based designs keep displacing monolithic dies, advanced integration becomes a standalone industry layer where $2B-scale entrants like Silicon Box can exist beside $20B logic fabs — and capital keeps diversifying into Southeast Asia and Europe as a hedge against single-region concentration.
The trend: Chiplet integration is separating from logic manufacturing into its own capital-intensive foundry tier, with Singapore emerging as the hub for that layer.