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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Sometimes green saves green – by accident

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Michael Naselaris and Zachary Hobbs - Sydor Optics

Environmentally friendly solutions can have a positive financial impact. In this case study, recycling polishing slurry is shown to be good for the environment and the bottom line. Just because a project is green doesn’t mean it started out that way. Our story begins with the price explosion of rare earths, namely cerium oxide, which started in September 2010 as a result of the newly imposed Chinese export quota restricting availability. Cerium oxide is used by optical component manufacturers around the world in very fine abrasive slurry to polish optics. This export quota...Read full article

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    Published: August 2012
    Glossary
    cerium oxide
    A polishing material that has a quicker polishing action than rouge (ferric oxide) and that is cleaner to handle.
    polishing
    The optical process, following grinding, that puts a highly finished, smooth and apparently amorphous surface on a lens or a mirror.
    slurry
    The name of the mixture of liquid and grinding or polishing compounds used in processing optical materials.
    abrasive slurryceriumcerium oxideChinaFlint Creek ResourcesgreenGreenLightMark MaytonMichael Naselarisoptical component manufacturersOpticspolishingrare earthsrecyclingslurrySydorSydor OpticsZachary Hobbs

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