Spring-type terminals are new types of spring-type terminals, which have been widely used in the world's electrical and electronic engineering industries: lighting, elevator control, instrumentation, power, chemistry, and automotive power.
If the terminal block is black, one of the possibilities is not necessarily burning black, oxidation may also be black. So how to verify whether it is burnt black? The method we take is to wipe it with a finger. If it can be wiped off, like soot, it is the black substance formed by oxidation, which can only be ground off with sandpaper or a file.
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In addition to Siltronic, many other participants have joined this multinational research platform, such as integrated equipment vendors, foundries, silicon compounds and silicon substrate manufacturers. They will work with IMEC's ​​equipment and technical resources in Sophie, Belgium, which will ensure that all participants are integrated into the company's cooperation.
It is known that GaN has excellent electron mobility, high breakdown voltage and good thermal conductivity, and is suitable for use in optoelectronics and manufacturing of power semiconductor components such as wind turbines, solar power systems, electric vehicles and energy-saving kitchen appliances. However, in order to realize the growth of GaN/(Al)GaN epitaxial layers on large-sized silicon wafers, GaN technology needs to be further improved, and an inexpensive and efficient production method needs to be sought. 
Siltronic AG will join the Belgian microelectronics research institute IMEC to research the next generation of LEDs and power semiconductors to provide the ability to grow GaN on 200 mm silicon wafers. The cooperation between the two parties is part of the IMEC Gallium Industry Alliance Program (IIAP).