Alpha Solder Wire Enables Long-Term Reliability and Reduced Costs


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Alpha Assembly Solutions has introduced a low-temperature solid solder wire that demonstrates long-term reliability while enabling the use of less expensive PCB materials.

The ALPHA Sn42 Bi57.6 Ag0.4 is a lead-free solid solder wire primarily used for rework operations and touch up soldering of low temperature based electronic assemblies. Compatible with all commonly used lead-free surface finishes, this low temperature solution is ideal for soldering sensitive components or connectors. It is available in various wire diameters (min: 0.6mm) and is more versatile than SnBiAg alloy solid solder sticks.

"The ability to use low temp compatible components and low Tg PCBs leads to a reduction of waste and scrap that can lead to a significant savings in material costs," said Bernice Chung, Global Product Manager for Solid Solder Wire at Alpha Assembly Solutions, a part of the MacDermid Performance Solutions Group of Businesses. "The SnBiAg alloy allows us to reduce exposure to thermal excursion during assembly, thereby eliminating the need for a wave soldering process which both increases long-term reliability and reduces energy costs."

This new soldering material from Alpha eliminates the need for additional reliability testing of solder joints reworked with an alternative alloy.

About Alpha Assembly Solutions

Alpha Assembly Solutions, a MacDermid Performance Solutions Business, is the global leader in the development, manufacturing and sales of innovative specialty materials used in a wide range of industry segments, including electronics assembly, power electronics, die attach, LED lighting, photovoltaics, semiconductor packaging, automotive and others.

With a unique global presence in over 30 locations throughout the Asia Pacific, Americas and Europe regions, Alpha supplies a full line of ALPHA electronics assembly material products, including Solder Paste, Exactalloy Solder Preforms, Cored Solder Wire Solder, Wave Soldering Fluxes, Bar Solder Alloys, and Stencils. It offers die attach product technologies to the power electronics segment in its Argomax, Atrox and Fortibond brands.

For the LED segment, Alpha offers its Lumet products covering applications from die attach to systems assembly in the LED manufacturing process. Alpha also offers product technologies for the Photovoltaic segment, including high performance liquid fluxes and solder alloys for producing standard ribbon and bus bar, as well as, solder pastes, cored wire, conductive adhesives and preforms for use in PV module assembly. Also, Alpha’s Advanced Materials unit is the leader in electronic polymers and solder materials for semiconductor packaging applications. 

Since its founding in 1872, Alpha has been committed to developing and manufacturing the highest quality specialty materials. For more information, click here.

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