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    National Tsing Hua University Institutional Repository > 原子科學院  > 工程與系統科學系 > 會議論文  >  CCD based x-ray imaging system for industrial applications


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/47007


    Title: CCD based x-ray imaging system for industrial applications
    Authors: Chou,H. P.;Lai,D. T.;Hsu,C. I.
    教師: 周懷樸
    Date: 1994
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Nuclear Science Symposium and Medical Imaging Conference, 1993., 1993 IEEE Conference Record., 31 Oct-6 Nov 1993, Pages 222-226
    Keywords: Lenses
    Phosphors
    Computer hardware
    Algorithms
    Optical resolving power
    X ray tubes
    Computer aided analysis
    Data reduction
    Image processing
    Data acquisition
    Imaging systems
    Charge coupled devices
    Industrial applications
    Abstract: The presented x-ray imaging system is based on a typical industrial grade charge-coupled device (CCD) which is coupled to a phosphor screen and operated at room-temperature. Image acquisition and data analysis is performed using a commercial 8-bit frame grabber and a personal computer. The setup, noise reduction, and the response of fluorescent converters were evaluated with an x-ray tube. Measurements indicate that the system can achieve a spatial resolution of 16 line pairs per mm and a contrast of sensing a piece of 0.1 mm thick plastic sheet. Demonstrations have shown that the system can detect the fluid level in opaque plastic bottles, flaws in mechanical parts, wiring diagram in electrical parts, and to the extreme, 30 μm gold wires in plastic capped integrated circuit chips.
    URI: http://ieeexplore.ieee.org/iel4/1093/8547/00701678.pdf?tp=&isnumber=&arnumber=701678
    http://www.ieee.org/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/47007
    Appears in Collections:[工程與系統科學系] 會議論文

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