Johnson Matthey Electronics Introduces Advanced Low-Alpha-Emitting Lead Solder Alloys.EDEN PRAIRIE Eden Prairie A city of eastern Minnesota, a residential suburb of Minneapolis. Population: 57,300. , Minn.--(BUSINESS WIRE)--July 12, 1999-- New Material Significantly Reduces Soft Errors in Advanced Flip Chip Package Interconnects Johnson Matthey Johnson Matthey plc (LSE: JMAT) is a British chemical company which has its headquarters near Holborn in central London. It is traded on the London Stock Exchange and is a constituent of the FTSE 100 Index. Electronics (JME JME Journal of Medical Ethics JME Juvenile Myoclonic Epilepsy JME Jones Matrix Eigenanalysis (method to measure polarization mode dispersion, ITU-T) JME Java Management Environment JME Java Management Extensions ), a leading supplier of high-technology materials and components to the semiconductor, computer and telecommunications industries, has introduced two additions to its full suite of low alpha-particle emitting lead alloy products for advanced semiconductor packaging: the LC630 solder powder and the LC650 solder paste Solder paste (or solder cream) is a mix of small solder particles and flux. It is used extensively in the automated soldering processes wave soldering and reflow soldering. . Some impurities inherent in traditional solder materials can cause lead-based alloys to emit alpha particles Alpha particles Helium nuclei, which are abundant throughout the universe both as radioactive-decay products and as key participants in stellar fusion reactions. . These particles carry positive charges and have been documented to produce problematic electron charges in semiconductor devices, on the order of 1.4 x 106 electron-hole pairs within a 25-micron travel. The alpha particles' energies induce calculation mistakes, or soft errors, in installed semiconductor chips. Thus the global market demand for low-alpha materials is growing. JME's two new materials, designed for printing fine-pitch solder bumps and creating flip-chip interconnects for advanced ICs, are manufactured to industry-leading alpha activity alpha activity Sleep disorders The presence of alpha waves or alpha rhythm in an EEG. See Alpha rhythm. standards of less than or equal to 0.02 cph/cm2 (count per hour per square centimeter) and less than or equal to 0.01 cph/cm2. The extremely low alpha activity of JME's high-purity solder powder and paste is achieved by processing the materials -- from refining to smelting, alloying, atomization Atomization The process whereby a bulk liquid is transformed into a multiplicity of small drops. This transformation, often called primary atomization, proceeds through the formation of disturbances on the surface of the bulk liquid, followed by their and paste production -- with dedicated equipment to eliminate any risk of contamination. "As the semiconductor industry continues its migration toward next-generation devices, JME has once again raised the competitive bar with these two new, reliable solder alloy products," said Bernard Ho, marketing and technical services manager at JME's Advanced Polymers Group. "With the technical and manufacturing capabilities to develop and produce low-alpha-emitting lead solder with extremely high purities, JME is meeting the escalating industry demand for materials that safeguard finished ICs from potential soft errors caused by alpha particles." The market demand for low-alpha lead solder alloys is escalating as these materials become increasingly critical for applications such as flip-chip interconnects for high-speed, high-frequency and embedded memory devices. Flip-chip packaging is a surface-mount chip technology where the chip is packaged in place on a build-up substrate and then underfilled with an adhesive polymer. To support customers' material integration, JME supplies underfill materials and build-up substrates for flip-chip packaging as well. The LC630 and LC650 materials are currently available for delivery in manufacturing volumes. The new products will be on display in JME's booth (No. 9516, McEnery Hall) at the IC assembly and packaging segment of the SEMICON SEMICON Semiconductors Equipment and Material International Conference West trade show, July 14-16 at the San Jose San Jose, city, United States San Jose (sănəzā`, săn hōzā`), city (1990 pop. 782,248), seat of Santa Clara co., W central Calif.; founded 1777, inc. 1850. Convention Center. About Johnson Matthey Electronics Johnson Matthey Electronics (JME) is a world-leading provider of thin-film deposition materials and advanced interconnect technology to the semiconductor, electronics and telecommunications industries. JME provides Integrated Material Solutions(tm) to its customer base by integrating design, high-technology materials and related services. JME has 22 manufacturing and 35 sales sites worldwide generating annual sales of more than $671 million. It is a division of Johnson Matthey Plc., a $5.4-billion advanced materials and precious metals Precious Metals Valuable metals such as gold, iridium, palladium, platinum, and silver. Notes: Investing in precious metals can be done either by purchasing the physical asset, or by purchasing futures contracts for the particular metal. company headquartered in London, England. Visit JME on-line at www.jmei.com or visit the Advanced Polymers Group on-line at www.advanced-polymers.com |
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