Smart Gui - Algorithm Training Material_rev1.pdf - 第169页
Copyright © ViT rox All Rights Reserved . U-type Locator - Edge Locator 169 1. For U-type Edge Locator , Usually Horizontal & V ertical ruler will used together to locate a component. 2. Another Ruler Orientation can…

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U-type Locator - Edge Locator
168
k. Body Size & Body Offset
● To adjust the body size and body offset.
l. Ruler Count
● To set the number of inspection box (Ruler).
● If “Skew” is one of the inspection criteria, The ruler count must set to
2.
m. Ruler Pitch
● To adjust the distance within two ruler.
n. Ruler Smoothing
● To adjust the size for the ruler.

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U-type Locator - Edge Locator
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1. For U-type Edge Locator, Usually Horizontal & Vertical ruler will used together to locate a component.
2. Another Ruler Orientation can be enabled by select the “+” icon shown below.

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U-type Locator - CPM
170
a. Box Size & Box Offset
● To adjust the body size and body offset.
b. Image Plane
● These are the types of 2D Lighting. Select the one with having
highest contrast among interested inspection region and the
background.
c. Corr Thres
● This is the correlation threshold.
● Correlation also means as similarity score.
● For e.g. Corr thres set to 750
CorrThres
(75%)
PassFail
d. Horizontal & Vertical Threshold (um)
● Fail when the measured Horizontal & Vertical Offset from datum
exceed the Horizontal & Vertical Thres