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    SEC Form EFFECT filed by Rubicon Technology Inc.

    3/15/23 12:15:05 AM ET
    $RBCN
    Semiconductors
    Technology
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    Notice of Effectiveness
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
    Notice of Effectiveness
    Effectiveness Date: March 14, 2023
    Accession Number: 0001213900-23-019250
    Submission Type: POS AM
    CIK: 0001410172
    Company Name: Rubicon Technology, Inc.
    File Number: 333-167272
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