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Related Experiment Videos

A new serial number marking system applicable to firearms identification.

D E Polk, B C Giessen

    Journal of Forensic Sciences
    |July 1, 1975
    PubMed
    Summary

    A novel method uses drilled hole arrays to permanently mark serial numbers on items, enhancing security. This technique is especially useful for marking firearms, making serial number removal difficult.

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    Science (New York, N.Y.)·1988

    Area of Science:

    • Materials Science
    • Manufacturing Engineering

    Background:

    • Traditional methods for marking serial numbers, such as surface stamping, are susceptible to removal or alteration.
    • The need for robust and tamper-evident identification systems is critical across various industries.

    Purpose of the Study:

    • To introduce a novel system for physically recording serial numbers on individual items.
    • To develop a method for creating permanent, non-removable serial number markings.

    Main Methods:

    • Converting each serial number into a unique array of points.
    • Recording the point array by drilling holes into the item, with laser drilling enabling small diameters.
    • Marking can be applied to critical areas to impede removal.

    Main Results:

    • The proposed system creates identifying marks that extend into the item.
    • These marks are significantly more difficult to remove compared to surface stampings.
    • The method is particularly suitable for marking firearms, offering enhanced security.

    Conclusions:

    • The drilled hole array system provides a secure and permanent method for serial number identification.
    • This technology offers improved tamper-resistance for valuable items and regulated goods.
    • The application to firearms addresses a critical need for robust marking solutions in this sector.

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