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    Piezoelectric array elements for sound reconstruction with a digital input

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    WO2016162829A1.pdf
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    1.923Mb
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    Description:
    Patent
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    Type
    Patent
    Patent Status
    Published Application
    Authors
    Carreno, Armando Arpys Arevalo cc
    Gonzalez, David Conchouso
    Signoret, David Castro
    Foulds, Ian G.
    Assignee
    King Abdullah University Of Science And Technology
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2016-10-13
    Submitted Date
    2015-04-08
    Permanent link to this record
    http://hdl.handle.net/10754/621905
    
    Metadata
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    Abstract
    Various examples are provided for digital sound reconstruction using piezoelectric array elements. In one example, a digital loudspeaker includes a fixed frame and an array of transducers disposed on the fixed frame. Individual transducers of the array of transducers can include a flexible membrane disposed on a piezoelectric actuation element positioned over a corresponding opening that extends through the fixed frame. In another example, a method includes forming a flexible membrane structure on a substrate and backetching the substrate opposite the flexible membrane structure. The flexible membrane structure can be formed by disposing a first electrode layer on a substrate, disposing a piezoelectric layer on the first electrode layer and disposing a second electrode layer on the piezoelectric layer. A flexible membrane layer (e.g., polyimide) can be disposed on the second electrode layer.
    Application Number
    WO 2016162829 A1
    Additional Links
    http://www.google.com/patents/WO2016162829A1
    http://worldwide.espacenet.com/publicationDetails/biblio?CC=WO&NR=2016162829A1&KC=A1&FT=D
    Collections
    Patents; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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