Surface defect inspector and method of inspecting surface defect
    5.
    发明申请
    Surface defect inspector and method of inspecting surface defect 有权
    表面缺陷检查员和检查表面缺陷的方法

    公开(公告)号:US20070165941A1

    公开(公告)日:2007-07-19

    申请号:US11655212

    申请日:2007-01-19

    IPC分类号: G06K9/00

    CPC分类号: G01N21/896 G01N2021/8854

    摘要: Wrinkles on polymer film as surface defect are inspected. The film is transported on an inspecting surface having a color for absorbing light. A dot pattern having dots on a transparent test chart sheet, facing the film, is photographed by image pickup upon reflection of the dot pattern on the film positioned on the inspecting surface. A length of the dots being photographed is measured according to image data, to obtain length information of 1-5. A length data table of the dots is created by arranging the length information of 1-5 at locations of the dots. Occurrence of a wrinkle is determined at one of the locations if a difference between the dots occurs in the length information of 1-5 in the length data table. To a rear of the test chart sheet, inspecting light is applied, passes through, and becomes incident upon the film.

    摘要翻译: 检查聚合物膜表面缺陷的皱纹。 该膜在具有吸收光的颜色的检查表面上运送。 在位于检查表面上的胶片上的点图案反射时,通过图像拾取来拍摄在透明测试图表上具有面向薄膜的点的点阵图形。 根据图像数据测量被拍摄的点的长度,以获得1-5的长度信息。 通过在点的位置排列1-5的长度信息来创建点的长度数据表。 如果在长度数据表中长度信息为1-5的点出现差异,则在其中一个位置确定皱纹的发生。 在测试图表的后面,检查光线被施加,通过,并入射到胶片上。

    Surface defect inspector and method of inspecting surface defect
    7.
    发明授权
    Surface defect inspector and method of inspecting surface defect 有权
    表面缺陷检查员和检查表面缺陷的方法

    公开(公告)号:US07769223B2

    公开(公告)日:2010-08-03

    申请号:US11655212

    申请日:2007-01-19

    IPC分类号: G06K9/00

    CPC分类号: G01N21/896 G01N2021/8854

    摘要: Wrinkles on polymer film as surface defect are inspected. The film is transported on an inspecting surface having a color for absorbing light. A dot pattern having dots on a transparent test chart sheet, facing the film, is photographed by image pickup upon reflection of the dot pattern on the film positioned on the inspecting surface. A length of the dots being photographed is measured according to image data, to obtain length information of 1-5. A length data table of the dots is created by arranging the length information of 1-5 at locations of the dots. Occurrence of a wrinkle is determined at one of the locations if a difference between the dots occurs in the length information of 1-5 in the length data table. To a rear of the test chart sheet, inspecting light is applied, passes through, and becomes incident upon the film.

    摘要翻译: 检查聚合物膜表面缺陷的皱纹。 该膜在具有吸收光的颜色的检查表面上运送。 在位于检查表面上的胶片上的点图案反射时,通过图像拾取来拍摄在透明测试图表上具有面向薄膜的点的点阵图形。 根据图像数据测量被拍摄的点的长度,以获得1-5的长度信息。 通过在点的位置排列1-5的长度信息来创建点的长度数据表。 如果在长度数据表中长度信息为1-5的点出现差异,则在其中一个位置确定皱纹的发生。 在测试图表的后面,检查光线被施加,通过,并入射到胶片上。