Paper
11 March 1994 Automatic inspection of loaded PCBs using 3D range data
Adrian Hilton, Andrew J. Stoddart, John Illingworth, Terry Windeatt
Author Affiliations +
Proceedings Volume 2183, Machine Vision Applications in Industrial Inspection II; (1994) https://doi.org/10.1117/12.171212
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States
Abstract
Inspection of loaded printed circuit boards (PCBs) using 3D laser striping range data is described. The work presented here is intended to assess the feasibility of using 3D depth data for robust identification of PCB defects. A knowledge-based control system interrogates a 2D CAD database for PCB layout information. Test strategies are then implemented with efficient multiresolution data capture. Inspection algorithms use 3D scene models to detect and interpret faults. This paper describes the implementation of the 3D range scanner, inspection tasks, control system, and 3D scene modeling. Surface-based approaches for the inspection of 3D shape characteristics have been used extensively throughout this work. This approach utilizes the inherent 3D shape characteristics of depth data. Surface segmentation algorithms are used for the implementation of board registration, testing of components, and coplanarity of ICs.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Adrian Hilton, Andrew J. Stoddart, John Illingworth, and Terry Windeatt "Automatic inspection of loaded PCBs using 3D range data", Proc. SPIE 2183, Machine Vision Applications in Industrial Inspection II, (11 March 1994); https://doi.org/10.1117/12.171212
Lens.org Logo
CITATIONS
Cited by 1 scholarly publication.
Advertisement
Advertisement
RIGHTS & PERMISSIONS
Get copyright permission  Get copyright permission on Copyright Marketplace
KEYWORDS
Inspection

3D modeling

Scanners

Computer aided design

Tolerancing

Control systems

Solid modeling

Back to Top