Showing result: 1 - 6 of 6
Semiconductor Devices
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Viscoplastic Creep in Solder Joints
This example studies viscoplastic creep in solder joints under thermal loading using the Anand viscoplasticity model, which is suitable for large, isotropic, viscoplastic deformations in combination with small elastic deformations.
The model geometry includes two electronic components (chips) mou...
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Chemical Vapor Deposition of GaAs
Chemical vapor deposition (CVD) allows a thin film to be grown on a substrate through molecules and molecular fragments adsorbing and reacting on a surface.
This example illustrates the modeling of such a CVD reactor where triethyl-gallium first decomposes, and the reaction products along with a...
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Semiconductor Diode
A semiconductor diode consists of two regions with different doping: a p-type region with a dominant concentration of holes, and an n-type region with a dominant concentration of electrons.
The model presented here formulates the problem using three dependent variables: psi (electric potential),...
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Cooling of a Circuit Board through Forced Convection
In this example, a system cools a stack of circuit boards with four in-line ICs, each producing 1 W of heat, through forced convection. The aim of the following models is to determine the temperature development of the board and ICs.
The model illustrates a simplified approach to simulating...
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Distributed SPICE Model of Bipolar Transistor
Integrated semiconductor devices are used in almost all electrical equipment, and the bipolar junction transistor (BJT) is still a very important device although the MOS technology has taken over a large part of the market. Especially in technologies with new types of semiconductors the bipolar tran...
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MOS Transistor Model
The MOSFET (Metal Oxide Semiconductor Field-Effect Transistor) is by far the most common semiconductor device, and the primary building block in all commercial processors, memories, and digital integrated circuits. During the past decades this device has experienced tremendous development, and today...
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