SEMINAR ON-
CONVENTIONAL TUNNELLING
PRESENTED BY-
Namrata M. Lolge (09CM16F)
M. Tech. 1st sem
NITK
TUNNELLING TECHNIQUES



DEFINITION
A definition of Conventional Tunnelling can be the construction of underground openings of any shape with a cyclic construction process of-
1. excavation, by using the drill and blast methods or mechanical excavators (except any full face TBM)
2. mucking
3. placement of the primary support elements such as-
-steel ribs or lattice girders
-s ....etc

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Abstract
The goal of this paper is to review in brief the basic physics of single-electron devices, as
well as their current and prospective applications. These devices, based on the controllable
transfer of single electrons between small conducting islands, have already enabled several
important scientific experiments. Several other applications of analog single-electron devices in
unique scientific instrumentation and metrology seem quite feasible. On the other hand, the
prospect of silicon transistors being replaced by single- ....etc

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Single-Electron Transistor (SET) Process and Device Simulation Using SYSNOPSYS TCAD Tools
Abstract:
Simulation of semiconductor device fabrication and operation is important to the design and manufacture of integrated circuits because it provides insights into complex phenomena that cannot obtained through experimentation or simple analytic models. Process and device simulation is commonly using for the design of new very large scale integration (VLSI) devices and processes. Simulation programs serves as exploratory tools in or ....etc

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To get full information or details of electron discharge machining please have a look on the pages

http://seminarsprojects.net/Thread-electro-discharge-machining?pid=82755

http://seminarsprojects.net/Thread-finite-element-simulation-of-electrical-discharge-machining-edm-process

http://seminarsprojects.net/Thread-electrical-discharge-machining

if you again feel trouble on electron discharge machining please reply in that page and ask specific fields in electron discharge machining ....etc

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To get full information or details of single electron devices and their applications ppt please have a look on the pages

http://seminarsprojects.net/Thread-single-electron-devices-and-their-applications

http://seminarsprojects.net/Thread-single-electron-tunneling-set-transistor?pid=70576&mode=threaded

if you again feel trouble on single electron devices and their applications ppt please reply in that page and ask specific fields in single electron devices and their applications ppt

Single e device
Introduction
Theory
Operation
Adva ....etc

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OUTLINE
What are Transistors
What is a SET
How do SETs differ from the Conventional Transistors
Operation of SETs
Application of SETs
What is a Transistor
A transistor is a solid state semiconductor device which can be used for numerous purposes including signal modulation, signal amplification, voltage stabilization, and many other applications.

Transistors act like a variable valve which, based on its input current (BJT) or input voltage (FET), allow a precise amount of current to flow through it ....etc

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ABSTRACT:
The finite element program CRItical State Program (CRISP) has been used to model the New Austrian Tunneling Method (NATM) in London Clay. The non-linear behavior of the London Clay was modeled by a Strain Dependent Modified Cam Clay (SDMCC) model and the tunnel lining was modeled by constant and time-dependent classic models. The construction process was modeled in two and three dimensions by removing soil elements in sequence. The tunnel lining was either assumed wished-in-place or introduced after the excavation of each pan ....etc

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ABSTRACT
The shotgun marriage of chemistry and engineering called Nanotechnology is ushering in the era of self-replicating machinery and self-assembling consumer goods made from raw atoms. Utilizing the well understood chemical properties of atoms & molecules, nanotechnology proposes the construction of novel molecular devices possessing extraordinary properties. The single electron transistor or SET is a new type of switching device that uses controlled electron tunneling to amplify current.
By using the Electr ....etc

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Abstract
This paper presents an analytic current model for capacitively coupled Single-Electron Tunneling Transistors (SETTs) that is based on a modified M-state steady-state master equation. Based on this current model we also derive a current noise model for SETT. To validate the proposed models we calculate their characteristics at different device parameters and different operation temperatures and compare them with the corresponding characteristics calculated by the full master equation method. The results indicate that the propos ....etc

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