Qualification processes during flux and solder paste evaluation

摘要

This paper deals with topic of testing the utmost important consumables at electronic industry that can be easily overlooked. The flux and solder paste has huge impact on final quality of electronic device and therefore picking the correct material and product from quality and price perspective is the key. For technical verification knowledge of process is critical in order to design best qualification matrix. Long list with every single possible testing and fail opportunity would give precise result, but would not be cost effective and also necessary time would be too long, making it reasonable only for big automotive industry. In this paper basic guideline will be given to the reader.