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Power_electronics Features

A New Approach to Circuit Breaker Design Using Silicon Carbide Switches - Nov 21
Mechanical circuit breakers can be low cost with minimal losses, but they operate slowly and wear out. Solid state versions overcome the problems and are becoming increasing viable as replacements at...
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Power Electronics Europe Issue Archive
 
Issue 4 – May/June 2009 - Sinter Technology for Power
April 27, 2009
High-power applications such as automotive, wind, solar and standard industrial drives require power modules which fulfil the demand for high reliability, thermal and electrical ruggedness. These demands are met by deploying state-of-the-art packaging technologies such as solder-free pressure and spring contacts, but also sinter technology. Silver sinter technology has been used to connect chips to substrates since 1994. Even back then, the properties of sintered silver bonding layers and the benefits they boast in terms of reliability were analysed and reported on within the contexts of numerous international congresses. At that time, however, it turned out that this type of bonding technology was not quite ready for use in large-scale industrial electronics. The engineers in SEMIKRON’s New Technologies Department thus were challenged to develop, optimise and employ this packaging technology. Full story on page 28.
 
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