Journal of SMT Article

IMPROVING PCBA SOLDERABILITY BY DESIGN

Author: Dale Lee
Company: Valor Computerized Systems
Date Published: 10/1/2001   Volume: 14-4

Abstract: SMT assembly is the predominant method of component packaging and assembly in electronic products today. Over the past couple of decades, many advances have been made in the development of solder pastes, component packages, placement equipment, tooling, inspection and test methodologies to meet the design and assembly requirements of today's advanced electronic printed circuit board assemblies (PCBAs).

However, most PCB CAD systems do not validate that the component land patterns placed on the printed circuit board meet manufacturing's solderability requirements. In addition, electronic assembly operations have to work with design data from PCB CAD tools that is not compatible with production data requirements or with their standard CAM tools for design of production tooling.

Utilizing the OBD++ interface with many of today's larger PCB CAD tool suppliers, and the Valor Parts Library (VPL), an on-line physical component package data library, Valor has developed CAM software tools that can analyze a PCBA early in the product development process to maximize the solderability by design of the finished product.



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