MKS Instruments is a global provider of instruments, subsystems and process control solutions that measure, monitor, deliver, analyze, power and control critical parameters for semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Founded in 1961 and headquartered in Massachusetts, the company employs over 10,000 people and holds more than 3,200 patents.
Its technical work spans process control, measurement and monitoring instruments, vacuum technology and gauging, mass flow control, gas analysis, RF and microwave power generation, photonics, laser technology, plating and surface finishing chemistry, and laser processing via ESI. Engineering and technical roles touch instrument design, power electronics, optical systems, fluid and vacuum systems, and applied chemistry.
The product portfolio includes capacitance manometers for precision pressure measurement, mass flow controllers for gas delivery, vacuum gauges, gas analyzers, and RF and microwave generators for semiconductor and industrial processes. Photonics and laser products are offered under the Newport, Ophir and Spectra-Physics brands.
MKS Instruments serves semiconductor manufacturing, electronics and packaging, specialty industrial applications and scientific research. The company describes a culture centred on collective curiosity, deep technical expertise, and precision and reliability in products destined for demanding process environments.






