Invention Grant
- Patent Title: System and method for alignment and inspection of ball grid array devices
- Patent Title (中): 球栅阵列装置对准和检查的系统和方法
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Application No.: US12612793Application Date: 2009-11-05
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Publication No.: US08428339B2Publication Date: 2013-04-23
- Inventor: Xiaoguang Wang , Lei Wang
- Applicant: Xiaoguang Wang , Lei Wang
- Applicant Address: US MA Natick
- Assignee: Cognex Corporation
- Current Assignee: Cognex Corporation
- Current Assignee Address: US MA Natick
- Agency: Quarles & Brady LLP
- Main IPC: G06K9/00
- IPC: G06K9/00

Abstract:
A system and method for high-speed alignment and inspection of components, such as BGA devices, having non-uniform features is provided. During training time of a machine vision system, a small subset of alignment significant blobs along with a quantum of geometric analysis for picking granularity is determined. Also, during training time, balls may be associated with groups, each of which may have its own set of parameters for inspection.
Public/Granted literature
- US20110103678A1 SYSTEM AND METHOD FOR ALIGNMENT AND INSPECTION OF BALL GRID ARRAY DEVICES Public/Granted day:2011-05-05
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