Patent ID: 8023111

Claim:
A surface inspection apparatus capturing an image of and inspecting an outer circumference edge part including a first outer circumference bevel surface slanted at an outer edge of a first main surface of a plate-shaped member, a second outer circumference bevel surface slanted at an outer edge of a second main surface of said plate-shaped member, and an outer circumference end face of said plate-shaped member, said surface inspection apparatus having a camera lens arranged facing said outer circumference edge part of said plate-shaped member, an imaging surface arranged at an opposite side of said camera lens from said outer circumference edge part of the plate-shaped member, a first optical member forming an image of said first outer circumference bevel surface of said plate-shaped member on said imaging surface via a first peripheral part of said camera lens, a second optical member forming an image of said second outer circumference bevel surface of said plate-shaped member on said imaging surface via a second peripheral part of said camera lens, a third optical member forming an image of said outer circumference end face of said plate-shaped member on said imaging surface via a center part of said camera lens, and an illumination unit illuminating said outer circumference end face, said first outer circumference bevel surface, and said second outer circumference bevel surface so that compared with said outer circumference end face, said first outer circumference bevel surface and said second outer circumference bevel surface become brighter.