Henry station blog

Today one can find semiconductors of special materials. Their resistance should be nearly among that of a conductor and a non-conductor. The resistance of semi-conductors also is influenced by changes in temperature or added “impurities”.

The term “dashes” refers to the other substances added to the material. The complete combination labels the semiconductors as semiconductor assembly of type-n and type-t.

They produce diodes as well as transistors applying both these types of semi-conductors. It's so that today the most popular material for semi-conductor production is silicon.

Just to let the process of electrical current in just one sense diodes are applied. They are created of semiconductor substance. In each diode there is a part made of positive and negative constructions (p- and n-) as well as of barrier level (known as pn-transfer). Diodes make electrical circuits transforming among direct and alternating current. As diodes make current flow just in one direction only a part of the series or cycle passes by. People name such a junction a rectifier.

LED (or light diodes) is one more variant of diodes. Such diodes are applied when it's important to generate light at little voltages and eventually make no heat. Today they have LED light diodes as the light fixing the idle state of various electronic gadgets.

Moore's law led to the development of thyristors production. What is the most important factor to make complicated power semi-conductor devices at lower cost? Lithography is. Because that optical lithography is already actual no more, there's now a tendency for other technologies. Presumably ultraviolet lithography and nano-imprint lithography are to become the successors to optical lithography. (more…)