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  • Particulate Scrubbing in Metal Processing (.pdf)
    In operation since the late 1990's, this powder metal processing company located in Pennsylvania has installed four Verantis venturi scrubbers over a five year span. The potentially explosive metal dust from screw conveyors and other ventilation sources are sent to the wet scrubber for collection
  • Aseptic Processing, the Japanese Way
    processing environments where resistance to cleaning and disinfection agents as well as low particulate generation are very important requirements. Half-stoppered vials are conveyed from the stoppering unit to the lyophilizer all within isolators. All loading and unloading of the lyophilizer is fully
  • Aseptic Processing, the Japanese Way
    total particulate and microbiological contamination. Support areas are to comply with Grade B requirements. The conditions stipulated for design, management and control of aseptic processing environments very much parallel those of the EU GMPs. Pressure differentials of 10-15 Pa
  • Aseptic Processing, the Japanese Way
    filtered air is supplied between the outer and inner shells of the machine cover to preclude the entrainment of particulate matter from the surrounding environment. This ensures that the vials are washed
  • Defect-free Sintering of Two Material Powder Injection Molded Components (Part 1)
    alloy steel or stainless steel can impart toughness, corrosion resistance, and an economical advantage as compared to a component that is fabricated of 100% tool steel. Particulate materials processing offers attractive manufacturing routes such as injection molding, isostatic pressing, and tape
  • TefTEC Filters Protect Stored Citrus Juice (.pdf)
    A Florida based citrus juice processing plant needed to use vent filters to prevent bacteria, mold spores, particulate matter and water from entering the juice storage tanks. Ingress of these contaminants could cause spoilage of the juice. The customer had decided to use PTFE membrane filters due
  • Containment Technologies Group
    Protecting the provider, the patient and the environment Sterile products should be prepared in class 100 conditions as defined by Federal Standard 209E (Airborne particulate cleanliness class in cleanrooms and clean zones). We have read this statement many times in publications such as ASHP
  • MICRO: Process Equipment Control - Richardson (April 2000)
    The control of both metallic and particulate contamination during wafer processing has become increasingly critical as device geometries have continued to shrink. Minimizing contaminant levels in high-density polysilicon etch chambers is particularly important because the gate oxide is exposed
  • Unified Optical Scanning Technology - Preface
    , smoke signals? That is, amplitude modulation of scattered light from controlled groups of particulate aerosol, which disperse as they rise, as observed from a distance. This is a form of serial information transfer. The two principal forms of optical information transfer are identified as serial

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