ANDOVER, Mass., June 9, 2011 /PRNewswire/ -- MKS Instruments, Inc. (NASDAQ: MKSI), a global provider of technologies that enable advanced processes and improve productivity, today announced that it is celebrating the 50th anniversary of the founding of the company. Leo Berlinghieri, CEO and President stated, "From a single pressure measurement instrument in 1961, the company has expanded to be a leader in seven critical process technologies with more than 50 product lines and over 350 patents. MKS has grown to be a key developer and supplier of critical instruments and subsystems which enable the manufacture of many of the technologically advanced products we depend on today. Our products help make smart phones, tablet computers, high-brightness LEDs, solar cells, defense systems, medical equipment, environmental monitoring solutions and much more. "Fifty years ago, we started with a handful of extremely talented employees and a breakthrough product. Today, we've grown to 2,700 employees across the globe and we are still developing breakthrough technologies which enable our customers to produce leading-edge products and be more productive. In 2010, we had a record year for growth and earnings and once again increased share in our served market. I am pleased to be celebrating our 50th anniversary within what is shaping up to be an even stronger 2011." As a part of the company's anniversary celebration, MKS will ring the NASDAQ Opening Bell in New York on June 15, 2011. Following the Opening Bell, MKS management will host an Investor and Analyst Meeting at the NASDAQ MarketSite in Times Square. In order to attend, please contact us at firstname.lastname@example.org or (978) 645-5530. About MKS MKS Instruments, Inc. is a global provider of instruments, subsystems and process control solutions that measure, control, power, monitor and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity. Our products are derived from our core competencies in pressure measurement and control, materials delivery, gas composition analysis, control and information technology, power and reactive gas generation, and vacuum technology. Our primary served markets are manufacturers of capital equipment for semiconductor devices, and for other thin film applications including flat panel displays, solar cells, light emitting diodes, data storage media, and other advanced coatings. We also leverage our technology in other markets with advanced manufacturing applications including medical equipment, pharmaceutical manufacturing, energy generation, and environmental monitoring.