16 Questions
What is the process for creating single crystalline Si wafers?
Seeding a molten silicon and slowly spinning and drawing it upwards while cooling
What is the most important direction/planes in silicon based on Miller indices?
(100) and (111) planes
What is the main purpose of p-n junctions in semiconductors?
To create a flow of majority carriers through the junction
Which process is used to alter the electrical properties of semiconductors by introducing impurities?
Implantation
What type of material is created through the process of bulk micromachining?
Polycrystalline material
How are silicon wafers mainly used in semiconductor technology?
As substrates for integrated circuit fabrication
In the Czochralski method, what is created using silicon wafers?
Monocrystalline silicon
What do the Miller indices represent for cubic crystals?
A direction vector perpendicular to a plane
Which planes are used to identify the crystalline orientation of the surface plane in a (100) wafer?
{1 0 0} and {1 1 0}
What is an example of an important material with a non-cubic crystalline structure?
Quartz
What does the Czochralski method create using silicon wafers?
Semiconductors
What determines the orientation of Si wafers?
Temperature and light
What is used to identify different directions and planes in a crystalline structure?
Indices [h k l]
What are the Miller indices of the shaded planes shown in the figure below?
(2 4 1)
What represents a family of equivalent directions in a crystalline structure?
(h k l)
What eliminates infinities when finding the Miller indices?
- Taking the reciprocal of each quantity
Learn about the production process of single crystalline Si wafers, the crystalline structure of silicon, Miller indices in crystals, identification of Si wafer types using wafer flats, and important semiconductor concepts such as doping, resistivity, implantation, diffusion, and p-n junctions. Explore the uses of p-n junctions and practice calculating concentration distributions in semiconductors.
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