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March 2014 • SMT Magazine 53 EOS EXPOSUrE OF cOmPONENTS IN SOLDErING PrOcESS continues feaTure in contact with the sensitive devices and imple- mentation of preventive and corrective mea- sures improves yield and reduces EOS-caused failures. SmT references 1. Electrical Overstress (EOS) and Its Effects on Today's Manufacturing, V. Kraz, Pulse Maga- zine, April 17, 2012. 2. ESDA STM13.1-2000 www.esda.org. 3. MIL-STD-2000 Military Standard: Stan- dard Requirements for Soldered Electrical and Electronic Assemblies. 4. IPC-A-610-E-2010, Acceptability of Elec- tronic Assemblies, IPC. 5. IPC-7711B Rework, Modification and Re- pair of Electronic Assemblies, IPC. 6. AC Current Probes, Tektronix. 7. EOS from Soldering Irons Connected to Faulty 120VAC Receptacles, Raytheon, W. Far- rel, et.al. ESD Symposium Proceeds, 2005. 8. How Good is Your Ground? V. Kraz and P. Gagnon, Evaluation Engineering, 2001. 9. EOS Damage by Electrical Fast Transients on AC Power, A. Wallash, V. Kraz, Proceeds of ESD Symposium, 2010. 10. Intel Manufacturing Enabling Guide, May 2010, Ch. 3. vladimir Kraz is president of onfIlTer Inc. a new breed of ultra thin super-material has the potential to cause a technological revolution. artificial graphene should lead to faster, smaller, and lighter electronic and optical devices of all kinds, including higher performance photovol- taic cells, lasers, or leD lighting. for the first time, scientists have been able to produce and analyse artificial graphene from traditional semiconduc- tor materials. Such is the scientific importance of this breakthrough, in findings published recently in one of the world's leading physics journals, Physical review X. a researcher from the university of luxem - bourg played an impor- tant role in this highly innovative work. graphene (derived from graphite) is a one atom thick honeycomb lattice of carbon atoms. This strong, flexible, conducting, and transpar- ent material has huge scientific and technological potential. Just recently discovered in 2004, there is a major global push to understand its poten- tial uses. artificial graphene has the same honey- comb structure, but in this case, instead of carbon atoms, nanometer-thick semiconductor crystals are used. changing the size, shape and chemical nature of the nano-crystals makes it possible to tailor the material to each specific task. The university of luxembourg is heavily in- volved in cross-border, multidisciplinary research projects. In this case it partnered with the Institute for electron- ics, Microelectronics, and nanotechnol- ogy (ieMn) in lille, france, the Debye Institute for nano- materials Science and the Institute for Theo- retical Physics of the university of utrecht, netherlands and the Max planck institute for the Physics of Complex Systems in Dresden, germany. Artificial Graphene a new Breed of Ultra-thin super-material