WebbStock is the mixture (slurry) of pulp, fillers, other papermaking materials, and water. Furnish is the combination of all of the materials used to make paper. Broke consists of paper trimmings and waste, paper not up to specification, … Webb30 juli 1998 · After mixing, the slurry is sent via pipe 36 to valve box 38. A first distribution pump 66 and second distribution pump 68 are provided for pumping the slurry to valve box 38. The distribution pumps may be, by way of a non-limiting example, pressure vacuum engines, or the like.
Effect of Retaining Ring Slot Design on Slurry Film Thickness …
Webb3 jan. 2013 · In this paper, the effect of slurry injection position on removal rate and nonuniformity was experimentally investigated on a 300-mm polisher developed by the authors, and the effect of slurry injection position on slurry fluid pressure distribution during polishing was also measured by a novel in situ fluid pressure measurement … Webb22 jan. 2010 · Another benefit of using retaining rings is to achieve uniform material removal, especially at the wafer periphery, by extending the polishing interface to the outside of the substrate. 1, 2 With a plurality of slots on the contact surface, retaining rings also facilitate slurry distribution between the inner and outer sides of the rings to … biology taxonomy powerpoint
Portable slurry distribution system - Lucent Technologies Inc.
WebbThe slurry section used the proprietary Mellagrid structured packing and was fed by a Sulzer VES distributor. This combination of grid packing and v-notch distributor is commonly used for slurry sections because of its resistance to fouling. Webb4 maj 2024 · Design criteria. First of all, slurry pumps should be designed for specific operating requirements: They must be able to pump high-density abrasive slurries while maintaining reasonable wear life. They must also be able to pass large solids. Compared with conventional water pumps, the above requirements result in a larger pump that is … WebbFor very precise slurry distribution in your slurry distributor. Alrena originated from the development department of Bomech B.V. (www.bomech.org). With 30 years of experience in slurry and trailing shoe technology, the Alrena precision macerators have a solid basis for a high-quality product. The precision macerator of Alrena is a slurry distributor which … biology taxonomy tttt