for long time at 10-2 [Pa].
This pump is necessary for recycling process because it is air occlusion pump. It's also clean because of no use of oil
Application.
High vacuum pump is used for many parts like process of semiconductor, IC, nuclear fusion reactor and etcetera. Recently, high vacuum is especially used in aerospace industry and process of solar cell.[1]
Ultra High Vacuum
Defi
semiconductor diodes. It is more fully named reverse saturation current and is "part of the reverse current in a diode caused by diffusion of minority carriers from the neutral regions to the depletion region. This current is almost independent of the reverse voltage." I_s, the reverse bias saturation current for an ideal p-n diode is given by,
Figure 4. MOS capacitor
So, we expect graph
1. Industry
1-1 Introduction the semiconductor industry
1. Semiconductor industry
Semiconductors are extremely important in virtually all areas of life. They are vital for many consumer products.
This industry has changed society in uncountable ways. Semi- conductors are installed in virtually all technical equipment, ranging from dish- washers, microwave ovens and flat screens to machine to
ICT ?
Information & Communication Technology
First used in 1997 in a report by Dennis Stevenson to the UK government.
Today,
The range of goods and services delivered via the medium of ICT continues to expand.
Companies and organizations, and related value chains and value networks need some sort of IT support.
In the past,
ICT, just regarded as only new kind of technology
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