Patent ID: 9470752
Filing Date: 2016-10-18
CPC Classification: G01B,G01R,G06T

Claim Text:
1. A board inspection apparatus comprising: a stage transferring a board; a first illumination section illuminating a light for aligning the board onto an inspection target formed on the board; a projecting section projecting a grating pattern light for acquiring height data of the board onto the inspection target; a second illumination section illuminating a light for discriminating a terminal area of a component from a solder area that are formed on the board onto the inspection target; a third illumination section located nearer to the board than the second illumination section; an image photographing section photographing a first image of the board by light illumination of the second illumination section and photographing a second image of the board by grating pattern light illumination of the projecting section; and a control section discriminating the terminal area from the solder area by using the first image and the second image photographed by the image photographing section, wherein the second illumination section is disposed at an angle between a first angle at which the image photographing section is inclined and a second angle at which the projecting section is inclined, with respect to a normal line perpendicular to a flat plane of the board, and wherein the second illumination section illuminates the light at an angle ranging from the first angle to the second angle with respect to the normal line perpendicular to the flat plane of the board.