V-Groove MOS (VMOS)

john February 9, 2011 9 Comments
V-Groove MOS (VMOS) This article explains in detail about the structure of VMOS with diagram, its characteristics, anisotropic etching and also the applications of VMOS. To know the basics, click on the links given below. TAKE A LOOK :...
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Double-Diffused MOS (DMOS)

john February 9, 2011 2 Comments
Double-Diffused MOS (DMOS) In this article, the Double-Diffused MOS (DMOS) structure is explained with a diagram. The working of Vertical DMOS Transistor is also explained in detail with its structural analysis and diagram. To know the basics of DMOS...
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Short Channel MOS Structures

john March 21, 2011 1 Comment
Short Channel MOS Structures This article discusses the different factors that limit the speed of a MOSFET. The common methods to reduce the parasitics like Scaled MOS (SMOS) and High-performance MOS (HMOS) is explained in detail with their structure...
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NMOS IC Fabrication Process

john March 21, 2011 4 Comments
NMOS Fabrication Process In this article the various steps needed for NMOS Fabrication are explained in detail along with diagrams. To know the basic IC Fabrication Techniques, click on the link below. TAKE A LOOK : IC FABRICATION TECHNIQUES...
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john February 9, 2011 2 Comments
PMOS vs NMOS The advantages of n-channel MOSFET’s over p-channel MOSFET’s and vice versa have been explained in detail. Even the problems that NMOS faces in device processing and oxidation have also been explained. n-channel MOSFETs have some inherent...
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MOSFET Technology

john February 15, 2011 4 Comments
MOSFET Technology and Various MOS Process This article focuses on basics of MOSFET Technology,basics of various MOS process like p-channel MOS (PMOS), n-channel MOS (NMOS), Complimentary MOS (CMOS) – its manufacturing, cross section, and other advantages of one over...
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Dielectric Isolation

rahul February 3, 2011 8 Comments
Dielectric Isolation in Integrated Circuits This article focuses on Dielectric isolation in various Integrated Circuits; especially in the VLSI sector, discusses various methods used for dielectric isolation like V-groove isolation, Silicon on Insulator technology and Epitaxial layer overgrowth. Dielectric...
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Monolithic Junction FET’s

john July 14, 2010 3 Comments
The figure below shows some IC JFET structures. The n-channel JFET structure of first figure is compatible with the n-p-n transistor fabrication sequence. Another view of this n-channel JFET is shown in second figure , where we note...
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Monolithic Diodes

john July 13, 2010 2 Comments
Monolithic Planar Diode Configurations We have seen that in the fabrication of an IC the geometry and the doping of the various layers must be chosen to optimize uncharacteristic of the transistor which is the most important device. It...
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P-N Junction Isolation

john July 1, 2010 No Comments
Once all components are fabricated on a single crystal wafer, they must be electrically isolated from each other. The problem is not encountered indiscrete circuits, because physically all components are isolated. There are two methods of isolation in Integrated...
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