Podcast
Questions and Answers
What is the process for creating single crystalline Si wafers?
What is the process for creating single crystalline Si wafers?
- Pouring molten silicon into a mold and rapidly cooling it
- Seeding a molten silicon and slowly spinning and drawing it upwards while cooling (correct)
- Heating silicon powder until it forms a single crystal structure
- Using a high-pressure process to compress silicon into a crystalline structure
What is the most important direction/planes in silicon based on Miller indices?
What is the most important direction/planes in silicon based on Miller indices?
- (211) and (310) planes
- (100) and (111) planes (correct)
- (321) and (420) planes
- (110) and (210) planes
What is the main purpose of p-n junctions in semiconductors?
What is the main purpose of p-n junctions in semiconductors?
- To create a flow of majority carriers through the junction (correct)
- To convert majority carriers into minority carriers
- To block the flow of majority carriers through the junction
- To increase the resistivity of the semiconductor
Which process is used to alter the electrical properties of semiconductors by introducing impurities?
Which process is used to alter the electrical properties of semiconductors by introducing impurities?
What type of material is created through the process of bulk micromachining?
What type of material is created through the process of bulk micromachining?
How are silicon wafers mainly used in semiconductor technology?
How are silicon wafers mainly used in semiconductor technology?
In the Czochralski method, what is created using silicon wafers?
In the Czochralski method, what is created using silicon wafers?
What do the Miller indices represent for cubic crystals?
What do the Miller indices represent for cubic crystals?
Which planes are used to identify the crystalline orientation of the surface plane in a (100) wafer?
Which planes are used to identify the crystalline orientation of the surface plane in a (100) wafer?
What is an example of an important material with a non-cubic crystalline structure?
What is an example of an important material with a non-cubic crystalline structure?
What does the Czochralski method create using silicon wafers?
What does the Czochralski method create using silicon wafers?
What determines the orientation of Si wafers?
What determines the orientation of Si wafers?
What is used to identify different directions and planes in a crystalline structure?
What is used to identify different directions and planes in a crystalline structure?
What are the Miller indices of the shaded planes shown in the figure below?
What are the Miller indices of the shaded planes shown in the figure below?
What represents a family of equivalent directions in a crystalline structure?
What represents a family of equivalent directions in a crystalline structure?
What eliminates infinities when finding the Miller indices?
What eliminates infinities when finding the Miller indices?
