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What is the name for the metalloids that are conducters?
Metalloids that can conduct electricity are often referred to as semiconductors. Silicon and germanium are two commonly used semiconductors in electronic devices.
Is there a difference between silica and silicon?
Yes, there is a difference between silica and silicon. Silica is a compound made of silicon and oxygen, commonly found in nature as quartz, while silicon is a chemical element with the symbol Si and atomic number 14, often used in electronic devices as a semiconductor.
What compounds are silicon often a part of?
Silicon is commonly found in compounds such as silicon dioxide (silica), silicon carbide, and silicates. Silicon is a key component in glasses, ceramics, semiconductors, and certain minerals.
What are ISA devices often devices?
pointing devices
What is step graded junction?
A step graded junction is a type of semiconductor junction characterized by a gradual change in doping concentration across a region, resulting in a step-like variation in the energy band diagram. This configuration creates electric fields that can enhance carrier transport and improve device performance. It is often used in high-speed electronic devices and optoelectronics to optimize charge carrier dynamics and reduce recombination losses.
What are Pinch resistors?
In the early 70s, making large resistors was expensive in silicon area. The diffusion used to make the bases of NPN transistors had the highest resistance per silicon area. When making NPN transistors, the emitter is diffused over the top of a base region. The resistance in this sub-surface base region which is "pinched" between an N doped epi collector below it and a N doped emitter region above it can have 10 times the normal base resistance. It was often used in non critical applications to save on silicon die size.
What are ISA devices often called?
pointing devices
What is abrupt junction?
An abrupt junction refers to a sharp transition between two different semiconductor materials or regions with varying electrical properties, such as doping levels. This sudden change can lead to significant variations in electric field and charge carrier distribution, often resulting in the formation of a diode-like behavior at the junction. Such junctions are crucial in various electronic devices, including diodes and transistors, where they enable control over current flow and electronic characteristics.
What is the point of contact between a motor neuron and a skeletal muscle cell called?
This point is often called the neuromuscular junction or motor end plate. ?The neurotransmitter used here is acetylcholine.Many diseases occur with dysfunction at this junction, like Myesthenia Gravis, botulism, or Lambert Eaton Myasthenic Syndrome.
What medium is often used to transfer computer infromation?
Silicon.
What is the value of the transition capacitance for a silicon diode when VD 0?
The transition capacitance of a silicon diode, often referred to as junction capacitance, depends on the applied voltage across the diode. When the diode is reverse-biased (VD < 0), the transition capacitance is positive and becomes larger as the reverse voltage increases. However, when VD = 0, the transition capacitance is at its minimum value, which can be approximated using the formula (C_j = \frac{\epsilon A}{W}), where (W) is the depletion width, (A) is the junction area, and (\epsilon) is the permittivity of the semiconductor material. At VD = 0, the depletion region is narrow, resulting in a relatively small capacitance.
Element used to make semi-conductor?
One element of carbon family as Silicon or Germanium and one element from Boron family as gallium or Indium or one element from Nitrogen family as Arsenic.
