Impact®Point-of-Use Photochemical Filters

2022-06-29
●Representing a lineage of in-fab production expertise and customer collaboration, Impact® point-of-use (POU) photo-chemical filters deliver superior filtration solutions to critical photolithography processes.
●Array of Membrane Technologies Maximizing Retention Performance and Chemical Compatibility
■Impact filters utilize various membrane technologies to maxi-mize retention performance. The asymmetric UPE membrane enables tighter retention performance and lower pressure drop than a standard symmetrical UPE membrane. The Impact Duo technology, which combines sieving and non-sieving function-ality, removes difficult contaminants from specific photochemi-cals more efficiently than a single sieving filter. Utilizing two times the nylon membrane thickness, the nylon design improves gel retention performance at a 10 nm retention rating for market-leading contamination control. Each membrane technology is characterized for optimal performance in the most common photochemicals and blends in use.
●Innovative Design Solutions
■Entegris offers innovative design solutions. Impact filters use our proven Connectology® technology to quickly and securely connect and seal the filter to the Impact manifold or IntelliGen®dispense system.

Entegris

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Filters

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POU photoresist ]Aggressive solvents ]High viscosity chemicals ]HV KrF ]i-line photoresist for 3D NAND ]

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Datasheet

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2020/12/4

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