The two most commonly used types of lead-free solder are SnAgCu (tin-silver-copper, also called SAC) and SnCu (tin-copper). SnAgCu alloy with 3% silver and 0.5% copper (SAC305) was initially ...

There are many different varieties of lead free solder. Two alloys seem be the most popular: SAC305 contains 96.5% tin, 3% silver, and 0.5% copper and melts at ~217C, SN100 contains 99.3% tin ...

At the Milpitas plant of Solectron, the giant electronics component manufacturer, a small stack of silvery bars of solder gleam on a white shelf. The triangular bars are lead-free; the rectangular ...

Fortunately, much work has already been carried out to define viable lead-free solder compositions, material combinations and process conditions that enable the production of lead-free assemblies in ...

Now lead-free solder, a tin-silver-copper alloy invented by a research team headed by Ames Lab senior metallurgist Iver Anderson, has made history for a second time: In 2011, it became the top ...

X-ray and advanced automated techniques combine to create a capable tool for lead-free solder inspection needs. Within two years, solder used in electronics manufactured or sold in Europe must ...

A Sligo IT researcher is studying an environmentally friendly solder that will take the harmful lead out of electronics, writes… A Sligo IT researcher is studying an environmentally friendly ...