CHANDLER, Ariz., Sept. 12, 2012 — Honeywell (NYSE: HON) Electronic Materials announced today it has introduced a new advanced offering in its RadLo™ low alpha materials product line, which is designed to reduce alpha particle emissions that can cause soft errors in semiconductors.

The latest advancement achieves super-ultra low alpha, or a low alpha grade of less than 0.001 counts per hour/cm2, helping to eliminate soft error rates linked to alpha emissions.

“Honeywell continuously leverages its nearly 50 years of metallurgical expertise to develop products for semiconductor manufacturing and packaging applications, and its RadLo materials are another example of the ability to create solutions to pressing customer issues,” said Chris Lee, Product Line Director for Honeywell Electronic Materials. “These materials will help control alpha emissions and reduce soft error rates, ultimately delivering a more reliable end user experience.”

Soft errors are caused by alpha particle radiation that penetrates transistor junctions of semiconductor devices. Because an alpha particle contains a positive charge and kinetic energy, the particle can hit a memory cell and cause a data error. This atomic reaction does not damage the actual structure of the chip, but the resulting soft errors can cause malfunctions in end use devices.

As device geometries have decreased and complexities have increased, design changes and shielding of sensitive areas have become impractical as a solution to combating soft errors. Designers of packaging materials for semiconductors are now turning to low alpha materials such as Honeywell’s RadLo line to address the issue effectively.

RadLo™ materials are used in major semiconductor packaging applications such as solder paste, solder microspheres and copper pillar solder caps. These applications are common in advanced flip-chip and 3-D wafer-level chip packages.

Honeywell offers RadLo materials in various form factors, including pellets and ingots for solder feedstock, plating anodes, and plating materials; and utilizes a proprietary refining technique to selectively remove alpha-emitting isotopes. RadLo materials are manufactured to meet purity levels of at least 4N (99.99%) and are processed in Honeywell’s state-of-the-art facility in Spokane, Washington.

At extremely low alpha emission levels, accurate measurement of alpha flux is difficult due to the effects of contaminants and background radiation such as cosmic rays. To address this issue, Honeywell employs innovative metrology and process controls across the supply chain to ensure accurate measurement of alpha emissions. In 2004, Honeywell led the industry in proposing standards for alpha flux measurement. These standards established a basis for comparison across industry participants rooted in best scientific practices and were adopted by JEDEC in 2011.

For more information on Honeywell RadLo low alpha materials,

Besides low alpha materials, Honeywell’s semiconductor manufacturing product offerings also include microelectronic polymers, electronic chemicals, and other advanced materials along with an extensive set of product offerings under its metals business segment, including physical vapor deposition (PVD) targets and coil sets, precious metal thermocouples, and materials used during back-end packaging processes for thermal management and electrical interconnect. For more information on these offerings, visit

Honeywell Performance Materials and Technologies is a global leader in developing and manufacturing advanced materials and process technologies. These materials and technologies are used by people every day in a wide range of industries and applications, from petroleum refining to environmentally friendlier refrigerants to bullet-resistant vests. Our advanced materials are critical in the manufacture of products ranging from nylon to computer chips to pharmaceutical packaging. Process technologies developed by our UOP business form the foundation for most of the world’s refiners, efficiently producing gasoline, diesel, jet fuel and petrochemicals. UOP is now pioneering technology to produce real fuels from renewable energy sources.

Honeywell ( is a Fortune 100 diversified technology and manufacturing leader, serving customers worldwide with aerospace products and services; control technologies for buildings, homes and industry; turbochargers; and performance materials. Based in Morris Township, N.J., Honeywell’s shares are traded on the New York, London, and Chicago Stock Exchanges. For more news and information on Honeywell, please visit

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