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Hamamatsu Corp. - Earth Innovations LB 2/24

New Additive Manufacturing Method Uses Light to Prevent Resin From Curing Against Vat

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ANN ARBOR, Mich., Jan. 14, 2019 — A new approach to 3D printing uses two-color irradiation of resin formulations that contain both a photoinitiator and a photoinhibitor to perform vat-printing up to 100 times faster than conventional 3D printing processes, said a team of University of Michigan researchers. In the team’s approach, photopatterned polymerization inhibition volumes generated by irradiation at one wavelength spatially confine the region photopolymerized by a second concurrent irradiation wavelength. This allows control over where the resin hardens and where it stays fluid, enabling the resin to solidify into...Read full article

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    Published: January 2019
    Glossary
    3d printing
    3D printing, also known as additive manufacturing (AM), is a manufacturing process that builds three-dimensional objects layer by layer from a digital model. This technology allows the creation of complex and customized structures that would be challenging or impossible with traditional manufacturing methods. The process typically involves the following key steps: Digital design: A three-dimensional digital model of the object is created using computer-aided design (CAD) software. This...
    additive manufacturing
    Additive manufacturing (AM), also known as 3D printing, is a manufacturing process that involves creating three-dimensional objects by adding material layer by layer. This is in contrast to traditional manufacturing methods, which often involve subtracting or forming materials to achieve the desired shape. In additive manufacturing, a digital model of the object is created using computer-aided design (CAD) software, and this digital model is then sliced into thin cross-sectional layers. The...
    stereolithography
    A method of creating real three-dimensional models by using lasers driven by CAD software. In contrast to the normal practice of removing material, this process polymerizes a liquid to quickly produce shapes that are untouched by human hands or cutting tools. Also known as three-dimensional imaging and three-dimensional modeling.
    Research & TechnologyeducationUniversity of MichiganAmericas3d printingadditive manufacturingstereolithographystereolithographic printingphotoinhibitorphotoactivatorMaterialsLight Sourcesindustrialmanufacturingcontinuous stereolithographic printing

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