MKS Instruments Sells 1,000th ESI 5335 System

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MKS Instruments, Inc., MKS, a global provider of technologies that enable advanced processes and improve productivity, today announced that it has sold its 1,000th ESI model 5335 flexible PCB laser processing system. Evolved from the iconic model 5000, with subsequent models in production in various iterations since 1995, the 5335 has become synonymous with flexible PCB laser processing. It has helped to take flex PCB UV laser drilling mainstream and has helped the flex PCB processing industry keep pace with challenges driven by consumer device manufacturers’ push for smaller form factors.

“The 5335 has been the de-facto standard, and the go-to system for a wide variety of applications over the years,” said Patrick Riechel, MKS’s Director of ESI Flex Systems Product Marketing. “Although a number of newer models are based on the 5335 platform, the original 5335 is still seen as a workhorse that is a great fit for numerous processing applications.”

The 1,000th system rolled off the manufacturing line in Singapore in March and is destined for the Vietnam production facility of the Sonova Group, based in Stäfa, Switzerland. “This will be our fifth 5335 system,” said Stephan Kaderli, Director Operations SOCS at Sonova. “As a global company that relies on global support, it’s important that we have systems we can rely on. The 5335 has proven itself over the years, and we are happy to be adding this system to our existing set of 5335s.”

About MKS Instruments
MKS Instruments, Inc. is a global provider of instruments, systems, subsystems and process control solutions that measure, monitor, deliver, analyze, power and control critical parameters of advanced manufacturing processes to improve process performance and productivity for our customers. Our products are derived from our core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, vacuum technology, lasers, photonics, optics, precision motion control, vibration control and laser-based manufacturing systems solutions. We also provide services relating to the maintenance and repair of our products, installation services and training. Our primary served markets include semiconductor, industrial technologies, life and health sciences, research and defense. Additional information can be found at

About the ESI Brand
ESI is a brand within the MKS Instruments Equipment & Solutions Division. The ESI portfolio consists of laser-based micro manufacturing systems and component test systems that are used worldwide by manufacturers in the electronics industry to process the materials and components that are an integral part of the electronic devices and systems in use today. Leveraging over 40 years of laser-material interaction expertise and applied laser technology, ESI solutions enable customers to optimize production by providing more control, greater application flexibility and more precise processing of a wide range of materials. The result is higher production quality, increased throughput and higher back-end yields at a lower total cost-of-ownership. Additional information can be found at

About Sonova
Sonova, headquartered in Stäfa, Switzerland, is a leading provider of innovative hearing care solutions. The group operates through its core business brands Phonak, Unitron, Hansaton, Advanced Bionics and AudioNova. Sonova reaches its consumers through multiple channels; this diversity lets them benefit from Sonova’s broad range of solutions—hearing aids, cochlear implants, wireless communication products, eSolutions and professional audiological care—in the way that best suits their individual needs. Founded in 1947, the group is currently present in over 100 countries across the globe and has a workforce of over 14,000 dedicated employees. Sonova pursues its vision of a world where everyone enjoys the delight of hearing and therefore lives a life without limitations.



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