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Related Experiment Video

Updated: Jun 15, 2026

Design and Development of a Three-Dimensionally Printed Microscope Mask Alignment Adapter for the Fabrication of Multilayer Microfluidic Devices
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Alignment of microcircuit chips using optically smeared images.

R W Lewis

    Applied Optics
    |March 9, 2010
    PubMed
    Summary
    This summary is machine-generated.

    An optical method using image smearing precisely aligns microcircuit chips for automated manufacturing. This technique enhances accuracy for wirebonding and electrical testing, improving semiconductor fabrication processes.

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    Area of Science:

    • Optoelectronics
    • Semiconductor Manufacturing
    • Image Processing

    Background:

    • Accurate positioning of microcircuit chips is critical for automated wirebonding and electrical testing.
    • Existing alignment methods may lack the precision required for advanced semiconductor fabrication.

    Purpose of the Study:

    • To evaluate an optical method for determining the position and angular orientation of microcircuit chips.
    • To assess the feasibility of this method for high-accuracy alignment in manufacturing.

    Main Methods:

    • An optical system employing a cylindrical lens to smear chip images in one direction was developed.
    • Digitized images captured by a linear photodiode array camera were analyzed.
    • The method focused on chips with medium scale integration.

    Main Results:

    • The optical smearing technique effectively determines both chip angular orientation and position.
    • Microcircuit chips were aligned with higher accuracy than required for wirebonding and electrical testing.
    • The method proved convenient and accurate for the evaluated chip class.

    Conclusions:

    • The evaluated optical method offers a precise and efficient solution for microcircuit chip alignment.
    • This technique can enhance the accuracy and reliability of semiconductor automated manufacturing processes.
    • The findings support the adoption of this optical approach in wirebonding and testing stations.