Patents Represented by Attorney Bruce B. Schneider

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  • Inspection of multipattern circuit boards
    Patent number: 4965208
    Abstract: Circuit boards with advantageous properties are produced through the addition of a fluorescent dye. The presence of the dye allows an expeditious inspection of the metallic pattern on the circuit board by induced fluorescence. If the circuit board is two-sided, to maintain the effectiveness of the dye, a material such as a light scattering composition is added to the circuit board substrate.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: October 23, 1990
    Assignee: AT&T Bell Laboratories
    Inventors: Frank H. Blitchington, Edwin A. Chandross, Lloyd Shepherd