G - Physics – 06 – T
Patent
G - Physics
06
T
356/2
G06T 7/00 (2006.01)
Patent
CA 1255011
Abstract: Inspection of a surface on a circuit board to detect for defects, such as misinserted leads or missing or mis-sized components is accomplished by directing beams of light towards the surface along a first angular direction. The intensity of the light reflected along a second direction from each of a plurality of successive thin strips running across the surface is sensed by a linescan camera which moves relative to the circuit board. The output signals produced by the linescan camera, as the linescan camera moves across the circuit board, are processed to obtain image data representative of each of the strips. Only the image data representative of predetermined regions within each strip where defects may occur are retained. The retained image data are then analyzed to determine if defects are present.
526278
Amir Israel
Balchunas William
Higgins Frank P.
Amir Israel
Balchunas William
Higgins Frank P.
Kirby Eades Gale Baker
LandOfFree
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