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Q: How a semiconductor layer thickness measured?
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What is the thickness of the depletion layer in a semiconductor?

The thickness of the depletion region or depletion layer (and there are other terms) varies as the design of the semiconductor. The layers in a semiconductor are "grown" (usually by deposition), and this can be controlled. The typical depletion region thickness in an "average" junction diode is about a micron, or 10-6 meters. Junction "construction" presents major engineering considerations to those who design and make semiconductors as there are many different kinds. A link is provided to the section on the width of depletion regions in the Wikipedia article on that topic.


The ratio of thermal boundary layer thickness to the concentration boundary layer thickness is?

Lewis No = thermal diffusivity / mass diffusivity .So, NLe = thermal boundary layer thickness/ Concentration boundary layer thickness


What is the output signal of ultrasonic thickness gauge?

An ultrasonic thickness gauge outputs ultrasonic waves which are reflected off a base surface. The resistance caused by the "coating layer" is measured by the magnitude of the returned waves. This resistance is used to determine a thickness measurement.


What unit of measure is paper thickness measured in?

An instrument called micrometer is used to measure paper or card thickness.


In typesetting the thickness of a line is called its weight and is measured in?

In typesetting, the thickness of a line is called its weight and is measured in points.


Where does the charge concentrate in a semiconductor?

In a semiconductor, the charge concentrates at the bounds of the space charge region(depletion layer).


What is the thickness of an earth layer?

the crust is the thickness of earths layers


How do you figure out the fraction of the thinnest layer to the thickest?

The fraction is(thickness of the thinnest layer)/(thickness of the thickest layer) After you write that fraction, you can simplify it if you feel like it.


What is the minimum thickness sagiita that can be measured by means of spherometer?

3/16" thick is the minimum thickness Sagiita that can be measured by means of spherometer.


What is the term for an electronic component of two layers of semiconductor?

junction diodeThere are two other ways of making a simple solid state diode:point contact diode, one piece of semiconductor with a sharp metal needle point touching itmetal-semiconductor diode, a layer of metal over a layer of semiconductor


What do you call a flat covering or thickness?

A "Layer" is a flat covering or thickness


What has happened to the thickness of the ozone layer during the period from 1956 to 1995?

The thickness has reduced of ozone layer. It is because of the use of CFC's.