Smart Gui - Algorithm Training Material_rev1.pdf - 第20页
Copyright © ViT rox All Rights Reserved . 20 1. Billboard Thres (um) ● 3D Inspection ● Fail Criteria: Measured height > (Component height + Billboard threshold) 2. Billboard 2D ● T urn on 2D billboard inspection. The …
Copyright © ViTrox All Rights Reserved.
CR Type Algorithm - Body
19
3. Min Width Measure
● Same as Min Length Measure
● Refer figure below for length & width definition.
4. Max Width Measure
● Same as Max Length Measure
● Refer figure below for length & width definition.
Length
Width
Copyright © ViTrox All Rights Reserved.
20
1. Billboard Thres (um)
● 3D Inspection
● Fail Criteria:
Measured height > (Component height + Billboard threshold)
2. Billboard 2D
● Turn on 2D billboard inspection. The algorithm will perform 2D + 3D
inspection. Either 2D or 3D algorithm detect a failure, the inspection will fail
the component as billboard
a. Billboard Grey Thres
b. Billboard Image Plane
● Select the one that having best contrast among the component body and
background.
CR Type Algorithm - Body
BillBoard Grey Thres
Component Body
PCB Surface
Copyright © ViTrox All Rights Reserved.
c. Billboard Search Width
● Wide : Full Search Area
● Narrow: 80% of Full Search Area
d. Billboard width range
● Unit in %
● Fail Criteria:
There is an area in the body that is brighter than Billboard Grey Thresh and
between Billboard Min Width % and Billboard Max Width %
● eg.
21
FAIL
Expected Component
Width * 30%
Expected Component
Width * 80%
Expected Component
Width
CR Type Algorithm - Body