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    Ceramic-Polymer Additive Manufacturing System for Ultrasound Transducers

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    2012-66-Cheverton.pdf (866.3Kb)
    Date
    2012
    Author
    Cheverton, Mark
    Singh, Prabhjot
    Smith, Scott
    Chan, Kwok Pong
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    Abstract
    A modified multi-layer lithography process is used to additively manufacture highresolution netshape ceramic structures by photopolymerizing a ceramic-polymer slurry using structured light patterns. This paper will discuss the development of a low-cost, high speed manufacturing process method for the fabrication of piezoelectric ceramic transducer elements in the 1-25 MHz frequency range. The key considerations in the development of the process including the selection and optimization of slurry materials for the deposition of PZT 5H materials, optical exposure parameters, debinding/sintering profiles, process monitoring, and post manufacturing processing. Ongoing work includes improvements to the materials properties, improved throughput and geometric fidelity.
    Department
    Mechanical Engineering
    Subject
    additive manufacturing
    ceramic polymers
    ultrasound transducers
    piezoelectric
    URI
    https://hdl.handle.net/2152/88459
    http://dx.doi.org/10.26153/tsw/15396
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