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High Purity Products

High Purity Products
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Positioned For The Next Challenge In Ultra-Pure Filtration Mott provides all-metal filters for semiconductor processes, as well as state-of-the-art diffusers and innovative flow restrictor products. We offer the widest selection of all-metal filters for high purity applications. Alloy choices include 316L stainless steel, nickel and Hastelloy® C-22 construction to ensure chemical compatibility. Mott offers a full suite of products and is offers custom design expertise to ensure the optimal solution for your semiconductor process. Product Offering In-Line Point-of-Use Filters (POU) – GasShield® POU filters are available in over 20 standard designs and rated for flows up to 600 slpm and inlet pressure as high as 5000 psig. IGS Filters – Mott offers a full line of filter and flow restrictor products in designs compatible with the gas system interfaces in process tools, gas cabinets, and valve manifold box installations. Range of flow rates is 10 to 100 liters per minute. GasShield® PENTA® POU Filters – For high flow applications, Mott PENTA filters are constructed from our unique high-flow nickel media that combines true 9-log filtration with a high flow and low ΔP. Utility Line Filters – Mott utility line filters provide a high-strength, all-metal solution to filtration requirements inside the wafer fab where flows are typically below 1500 liters per minute. Bulk Filters – These filters are designed to accommodate flows from 1000 slpm to 25,000 slpm with 316L stainless steel or nickel filter elements. Additional bulk designs are available for applications involving higher pressures or highly corrosive gases. Gasket Filters – This compact filter design fits inside a ¼" face seal fitting and does not add length to the gas system. Standard rated flows are 1, 3, and 20 slpm. Flow Restrictors – Porous metal permanently affixed to standard fittings for reliable, affordable flow control, without the drawbacks of mass flow controllers, needle valves and calibrated orifices. Downstream flows range from 100 slpm to <1 x 10-6 sccm. Gas Diffusers – Mott diffusers evenly disperses purge gas to ensure a uniform and laminar flow of gas, eliminating turbulent disturbance of any particles in the EFEM, load lock, wafer transfer or process chamber.

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The Distinct Advantages of Using Mott Products Uniform, high-precision porosity – Strictly controlled pore sizes are the result of Mott’s patented NanoMetal® Media process. High-temperature capabilities – Mott all-metal construction withstands sustained temperatures as high as 450°C. Depth filtration – The compacting and sintering process arranges pores randomly, creating a labyrinth of irregular paths which more effectively capture particles that enter the media. Corrosion resistance – Mott filter elements constructed of corrosion-resistant alloys such as nickel and Hastelloy® C-22...

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