Optical vision inspection apparatus
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United States of America Patent
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Issued Date -
Aug 7, 2008
app pub date -
Feb 6, 2007
filing date -
Feb 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses an optical vision inspection apparatus, wherein the light supply unit thereof includes a light source base having a concaved surface and a plurality of light-emitting elements providing shorter-wavelength light. The concaved surface can focuses the light emitted by the light-emitting elements onto the surface of the inspected object. In comparison with blue light or red light used in the conventional technology, the shorter-wavelength light has a higher energy. Therefore, in the present invention, the light signal receiving unit receives more intense light signals. Thus, no matter what type of defect there is, the succeeding signal-processing unit has more reliable light signals, and the result of defect inspection is more accurate.
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