公开(公告)号：US5384711A

公开(公告)日：1995-01-24

申请号：US791063

申请日：1991-11-12

申请人： Takao Kanai ,  Hitoshi Atsuta ,  Yoshinori Sezaki ,  Ichirou Mandai

发明人： Takao Kanai ,  Hitoshi Atsuta ,  Yoshinori Sezaki ,  Ichirou Mandai

IPC分类号： G01B11/24 ,  G01N21/88 ,  G01N21/93 ,  G01N21/956 ,  G06T1/00 ,  G06T7/00 ,  G06T7/60 ,  H05K3/00 ,  G06K9/62 ,  G06F15/62

CPC分类号： G06T7/001 ,  G06T7/60 ,  G06T2207/30141

摘要： In order to correctly detect the width of wiring pattern on a printed board, a multiple train operator applied to image data. The multiple train operator consists of arms each having three unit arms. The binary data obtained by applying the multiple train operator to the image data is converted into a single horizontal arm and a single vertical arm. The combination of the horizontal and vertical arms corresponds to a single cross operator. The conversion into the single cross operator form is conducted through a logical operation on the binary data obtained by the multiple train operator, so that quantization errors are compensated and fine pattern defects can be detected. As a result, the width of the wiring pattern etc. are correctly obtained.

摘要翻译： 为了正确地检测印刷电路板上布线图案的宽度，应用于多列车操作员的图像数据。 多列车操作员由具有三个单元臂的臂构成。 通过将多列车操作者应用于图像数据而获得的二进制数据被转换为单个水平臂和单个垂直臂。 水平和垂直臂的组合对应于单个交叉算子。 通过对由多列车操作者获得的二进制数据的逻辑运算来进行到单个交叉运算符形式的转换，从而补偿量化误差并且可以检测到精细的图案缺陷。 结果，正确地获得了布线图形的宽度等。

公开(公告)号：US5367467A

公开(公告)日：1994-11-22

申请号：US795925

申请日：1991-11-20

申请人： Yoshinori Sezaki ,  Takao Kanai ,  Hitoshi Atsuta ,  Ichirou Mandai

发明人： Yoshinori Sezaki ,  Takao Kanai ,  Hitoshi Atsuta ,  Ichirou Mandai

IPC分类号： G01B11/02 ,  G06T7/00 ,  G06T7/60 ,  G01N23/04

CPC分类号： G06T7/0006 ,  G01B11/02 ,  G06T7/60 ,  G06T2207/30141

摘要： A cross operator is applied to the image of a wiring pattern provided on a printed board, to obtain respective sizes of the image in first and second directions. When the condition that the size of the wiring pattern in one of first and second directions is larger than a threshold value but the size in the other direction is smaller than the threshold value is satisfied, it is decided that the wiring pattern is a wiring line., The width of the wiring line is measured with the operator and is compared with a predetermined allowable range of the width. A land and a pin hole which may be present on the printed board do not satisfy the condition for detecting the wiring line and accurate inspection of the wiring line is attained.

摘要翻译： 将交叉算子应用于设置在印刷电路板上的布线图案的图像，以获得第一和第二方向上的图像的相应尺寸。 当第一和第二方向中的一个方向上的布线图案的尺寸大于阈值但是在另一个方向上的尺寸小于阈值的条件满足时，确定布线图案是布线 用操作者测量布线的宽度，并将其与预定的宽度范围进行比较。 可能存在于印刷电路板上的焊盘和针孔不满足用于检测布线的条件，并且可以精确地检查布线。