A Surface-conduction Electron-emitter Display (SED) is a flat panel display technology that uses surface conduction electron emitters for every individual display pixel. The surface conduction electron emitter emits electrons, that excite a phosphor coating on the display panel which is similar to the basic concept found in traditional cathode ray tube (CRT) televisions. This means that SEDs can combine the slim form factor of LCDs with the high contrast ratios and can also refresh rates making the picture quality of CRTs better .The researches ....etc

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Electron Emission
Introduction
Thermionic emission
The phenomenon involves the effect of heat on the interaction between electricity and matter. This heat induced electron flow is called thermionic emission. The physical phenomena was well studied by Richardson from 1901 and he got Nobel prize in physics in 1929 for his work.
Expression for thermoionic current density J is given by Richardson equation.
J = A T2 e –ϕ / kT
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I am a btech final year student, i need to give a seminar on the related topic. plzzzzzz give me more info on SED technology like seminar report, power point presentation. ....etc

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I am a third year electronics and communication engineering student in search of recent seminar topics in the above field.Kindly give me detailed information on the topic SED. ....etc

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Single electron tunneling (SET) transistor

ABSTRACT
The chief problem that are faced by chip designers are regarding the size of the chip. According to Moores„¢s Law, the number of transistors on a chip will approximately double every 18 to 24 months. Moore\'s Law works largely through shrinking transistors-the circuits that carry electrical signals. By shrinking transistors, designers can squeeze more transistors into a chip. However, more transistors means more electricity and heat compressed into an even smaller space. F ....etc

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Electron Beam welding


Collaborative Project - IGCAR & DRDL

EB Welding of SS316 LN to SS316L(N)
EB Welding of 9Cr-1Mo Steel to 9Cr-1Mo Steel
EB Welding of 9Cr-1Mo Steel to SS316L(N)
EB Welding of LAFM Steel to SS316L(N)

EXPERIMENTATION


EB Welding Parameters
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need the information on topic, comparision of sed tv over others like lcd,crt,plasma tv etc, why sed tv is better than others, its future scope,also any further versions of sed tv.also an perfect ppt covering all the topics in an appropriate manner.
pls i hope u help me ....etc

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what is the spontaneous emission and what is the stimulated emission ppt? ....etc

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Surface conduction Electron emitter Display


The SED technology has been developing since 1987. The flat panel display technology that employs surface conduction electron emitters for every individual display pixel can be referred to as the Surface-conduction Electron-emitter Display (SED). Though the technology differs, the basic theory that the emitted electrons can excite a phosphor coating on the display panel seems to be the bottom line for both the SED display technology and the traditional ....etc

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