Technical Library: fctassemblies (Page 1 of 1)

FCT Assembly Solves Bridging Issues at Reflow

Technical Library | 2012-04-09 14:08:18.0

As the electronics assembly industry evolves, printed circuit board (PCB) features and surface mount technology (SMT) components continue to get smaller and smaller. This miniaturization shrinks the process window at print, placement, and reflow, increasi

FCT ASSEMBLY, INC.

Bridging at Reflow, What is the Cause and Can it be Eliminated?

Technical Library | 2012-04-12 21:25:13.0

Surface mount technology (SMT) started in the 1960s and became more common in the 1980s. It is the dominant technology in use today. Through-hole technology is still in use, and will be for the foreseeable future, but the drive towards miniaturization of

FCT ASSEMBLY, INC.

Can Nano-Coatings Really Improve Stencil Performance?

Technical Library | 2017-10-26 01:18:49.0

Nano-coatings have been introduced by various manufacturers, with the promise of addressing some of the challenges relative to solder paste printing. Stated benefits include: Reduced underside cleaning, reduced bridging, improved solder paste release and improvements in yield. With several nano technologies already on the market and more likely to be introduced, how can the performance be quantified? How robust are these coatings? How can an assembler approach the ROI of these coatings? What hidden benefits or negative impacts should be considered? This paper will present a rigorous method for evaluating the performance and economic benefits of solder paste stencil nano-coatings.

FCT ASSEMBLY, INC.

How Does Surface Finish Affect Solder Paste Performance?

Technical Library | 2021-01-28 01:58:52.0

The surface finishes commonly used on printed circuit boards (PCBs) have an effect on solder paste performance in the surface mount process. Some surface finishes are non-planar like hot air solder level (HASL) which can lead to inconsistencies in solder paste printing. Other surface finishes are difficult to wet during reflow like organic solderability preservative (OSP). What is the overall effect of surface finish on solder paste performance? Which solder paste is best for each surface finish? It is the goal of this paper to answer these questions.

FCT ASSEMBLY, INC.

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