changing external environment? When Samsung Electronics started out by purchasing the first wafer production in Korea called the Korea Semiconductor Company. Kun hee Lee saw the potential in the semiconductor industry‚ and the investment will offer higher offer higher growth rates. Since the company was relying on labor-intensive assembly lines‚ importing semiconductors and other advanced products from abroad‚ the target was the ones who consume low-end electronics. Samsung built its fist large manufacturing
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topics – What is semiconductor‚ Band diagram of semiconductor‚ Fermi energy level in semiconductors‚ Intrinsic and Extrinsic Materials‚ Doping‚ P-type and N-type semiconductors‚ Donor acceptor‚ Majority and Minority carrier‚ Mobility and Conductivity‚ Drift and Diffusion current‚ Ideal p-n junction current. Introduction: In the field of electronics‚ Semiconductor devices are of great importance. In the racing world electronics is the key element of development. And in semiconductor physics‚ PN junction
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Assignment Brief In your study syndicates‚ you are expected to read‚ analyse and interpret the key underlying issues of the following case-study titled "The Universal Motor Company Acquires Semiconductors". Six (6) questions have to be answered and these questions can be found at the end of the case study. Your answers to the questions must relate to the issues in the case‚ however you are expected to support your responses with appropriate
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application of semiconductor materials as platform to combine various electronic components in an effort to reduce size and cost as well as to improve effectiveness of electronic circuits. This essay aims to describe integrated circuit‚ look at wiring problems that it solved and state of micocircuitry today. Discussion Integrated circuit (IC)‚ also called chip‚ is a network of circuits formed by engraving electronic components (resistors‚ capacitors and diodes etc) on a semiconductor wafer. It is
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question in complete sentences. 1. What are semiconductor materials? 2. What are the two common semiconductor materials? 3. Give two examples of semiconductor components. 4. What is the most important characteristic of semiconductor materials? 5. What do you call the process of adding impurities to the atomic structure of the semiconductors? 6. Give three examples of impurity materials that are used to make N-type semiconductor more negative. 7. Give three examples of impurity
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SEMICONDUCTOR a solid substance that has a conductivity between that of an insulator and that of most metals‚ either due to the addition of an impurity or because of temperature effects. Devices made of semiconductors‚ notably silicon‚ are essential components of most electronic circuits. 1. A semiconductor is a material which has electrical conductivitybetween that of a conductor such as copper and that of an insulatorsuch as glass. semiconductor is a material whose electrical conductivity is
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the conductivity of insulators is very low. SEMICONDUCTORS A semiconductor has electrical conductivity intermediate to that of a conductor and an insulator. Semiconductors differ from metals in their characteristic property of decreasing electrical resistivity with increasing temperature. The comprehensive theory of semiconductors relies on the principles of motion of electrons through a lattice of atoms. Current conduction in a semiconductor occurs via mobile or free electrons and holes‚
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One is to determine the gap energy of cadmium sulfide semiconductor thin film using the equation: Eg = h.c/ is the signal of the long wavelength limit of the absorption peaks (measured in the lab). The reaction between cadmium sulfide and NH3‚ in the presents of thiourea yield a of 579(nm). The % error of the reaction is 1.24%. Introduction: There are 3 types of metals for electricity conducting: metallic conductor‚ semiconductor‚ and superconductor. Metallic conductors allow the
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easy flow of electrons. Wires are made of these materials. 4. Give two examples of Insulators. An example of an insulator is rubber like those surrounding an electrical cord. Another insulator is plastic. 5. What is a Semiconductor and give an example? Semiconductors carry electrons through them under certain conditions. An example is silicon. Part 2 1. Using the Internet‚ search for a schematic symbol for a dc battery and paste it below or draw the symbol for a battery and label its terminals
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11/24/2013 CLASSIFICATIONS of MATERIALS Semiconductor Theory a. Conductor b. Semiconductor c. Insulator • Number of valence electrons is 1-3 with very high conductivity • Number of valence electrons is 4 with intermediate conductivity • Number of valence electrons is 5-8 with very low conductivity Semiconductor Conductors • Has more electrons that are free to move • Supports charge carriers to flow • Support flow of electricity • Has very low resistance allowing
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