MKS Instruments Announces Agreement to Acquire Photon Control

Expands Technology Solutions for Key Customers in Semiconductor Market   Acquiring a Leader in Optical Sensors for Temperature Control used in Semiconductor Wafer Fabrication  Enhances the MKS Surround the Chamber ®  Portfolio   ANDOVER, Mass., May 10, 2021 (GLOBE NEWSWIRE) — MKS Instruments, Inc.