# Samsung Foundry Wins First-Ever Contract to Develop Neuralink Fourth-Generation Brain Implant Chip

> partnership · REPORTED · 2026-06-15

In June 2026, Samsung Foundry began research and development on Neuralink's fourth-generation brain-computer interface chip, codenamed O1, using a 4nm process in the first direct manufacturing partnership between the two companies, replacing TSMC as the chip supplier. The new chip is designed for bidirectional brain-device communication, enabling both neural signal reading and direct stimulation, with test chips targeted for H1 2027 and mass production in H2 2027.

About Neuralink: Neuralink is a neurotechnology company developing implantable brain-computer interface devices designed to enable people with severe paralysis and neurological conditions to control digital devices, restore motor function, and eventually restore vision using direct neural signals.

- Company: Neuralink
- Sector: neurotech
- Primary source: https://www.sammobile.com/news/samsung-making-neuralink-brain-chip-fourth-generation/

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Source: MedFuel Intel news monitor. Verification tier: REPORTED. Informational only, not investment advice. Corrections: media@medfuelinc.com.