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    The Transistor

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    A transistor is a device that can either switch an electric current on and off, or amplify an electric current. (http://www.pbs.org/transistor/teach/teacherguide_html/lesson3.html) The main component in a microchip is the transistor. Computers operate on a binary system, which uses only two digits: 0 and 1, all kinds of information are converted into combinations of 1s and 0s. As transistors can act as a switch, therefore their application in a computer microchip is to either let current through

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    What´s a Transistor

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    What is a transistor? A transistor is a semiconductor that can act as a faucet for electrical current. The transistor can act as a switch maximizing the amount of current flowing through or minimizing it. This device has been essential in the advancement of modern technology; by replacing vacuum tubes and electromechanical switches that were unreliable, bulky, would overheat, and used too much energy. A basic electronic device can contain thousands to millions of transistors due to their small build

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    John Barden and The Transistors

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    These devices include the cellular phone, the music player and many more but none of these devices would exist without the invention of the transistor. The transistor is essentially the most important device ever created. Not because of what it does but because of what size it is. The transistor is absolutely necessary for our day-to-day lives. The transistor was invented by a man by the name of John Bardeen. He invented it because the vacuum tubes that, at the time, were in use and were quite

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    Basic Transistor Physics

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    The first transistor was demonstrated on Dec. 23, 1947, at Bell Labs by William Shockley. This new invention consisting of P type and N type semiconductive materials (in this case germanium) has completely revolutionized electronics. Transistors quickly replaced vacuum tubes in almost all applications (most notably those in discrete logic). Today when we think of transistors the first thing that comes to mind is computers. Advances in transistor technology and manufacturing processes as well as

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    electrical signals [1]. Vacuum tubes had played an important role in the development of electronics before the advent of semiconductor transistor. In 1947, J. Brattain and W. Bardeen invented the first point contact junction transistor [2,3] and in 1948 W. Schokley proposed bipolar junction transistor (BJT) [4]. In 1951, W. Shockley invented junction field-effect transistor (JFET) [5]. JFET replaced the vacuum tube by a solid state device and found the path for smaller and cheaper electronic devices

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    how chemistry has advanced computers with the work of transistors. A transistor is a semiconductor device that can amplify, control and generate electrical signals. Transistors look like integrated circuts. They are placed in micro processors, known as the heart of a micro processor. As times go on transistors decrease in size and increase in capability. What was society like before the discovery of your technology? The discovery of transistors has been around ever since computers have been around

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    Junctionless Transistors Junctionless transistors are variable resistors controlled by a gate electrode. The silicon channel is a heavily doped nanowire that can be fully depleted to turn the device off. The electrical characteristics are identical to those of normal MOSFETs, but the physics is quite different. This paper compares the conduction mechanisms in three types of MOS devices: inversion-mode, accumulation-mode and junctionless MOSFET. 1 Introduction All existing transistors are based on

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    Microprocessor Essay

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    and increased transistor density as technology scaled and manufacturing matured. Transistor count in leading microprocessors has doubled in each technology node, appropriately every 2 years. Factors that drove up transistor count are increasingly complex processing cores, integration of multiple levels of caches, and inclusion of system functions. The frequency of a Microprocessor has almost doubled every generation resulting in advanced circuit design and more efficient transistors.. Die size has

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    transistorized paper

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    Transistorized The Transistor became a big hit in the 1940s, which was the main component in the Transistor radio. Everybody wished they owned one, and all the scientists wished they knew how to make one to use for there own profit. John Bardeen, Bill Shockley, and Walter Brittian were three main scientists in the creation of the Transistor. Bill Shockley was born in California, he was an excellent man for thesis’s but could not figure out how to form or create one on his own. Walter Brittian on

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    electrical conductivity on semiconductor. Semiconductor device fabrication & Why silicon? First, wafers production, a process produce extremely pure silicon as substrate. Then Photolithography, implantation, etching, deposition are used to form transistors on it, connecting them with metals. Silicon is widely used in nowadays in semiconductor. Although there are various kinds of semiconductors, Silicon has largest reserve, several kinds of chemical/physics methods can be used while other semiconductors

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