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WHAT DOES DYNODE MEAN IN ENGLISH?
A dynode is an electrode in a vacuum tube that serves as an electron multiplier through secondary emission. The first tube to incorporate a dynode was the dynatron, an ancestor of the magnetron, which used a single dynode. Photomultiplier and video camera tubes generally include a series of dynodes, each at a more positive electrical potential than its predecessor. Secondary emission occurs at the surface of each dynode. Such an arrangement is able to amplify the tiny current emitted by the photocathode, typically by a factor of one million.
The definition of dynode in the dictionary is an electrode onto which a beam of electrons can fall, causing the emission of a greater number of electrons by secondary emission. They are used in photomultipliers to amplify the signal.
The translations of dynode from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «dynode» in English.
List of principal searches undertaken by users to access our English online dictionary and most widely used expressions with the word «dynode».
FREQUENCY OF USE OF THE TERM «DYNODE» OVER TIME
The graph expresses the annual evolution of the frequency of use of the word «dynode» during the past 500 years. Its implementation is based on analysing how often the term «dynode» appears in digitalised printed sources in English between the year 1500 and the present day.
Examples of use in the English literature, quotes and news about dynode
10 ENGLISH BOOKS RELATING TO «DYNODE»
Discover the use of dynode in the following bibliographical selection. Books relating to dynode and brief extracts from same to provide context of its use in English literature.
Mass Spectrometry: Principles and Applications
The discrete dynode electron multiplier is made up of a series of 12 to 20
dynodes that have good secondary emission properties. As shown in Figure 3.2,
these dynodes are held at decreasing negative potentials by a chain of resistors.
Edmond de Hoffmann, Vincent Stroobant, 2013
Emission Tomography: The Fundamentals of PET and SPECT
C. Electron Multiplication, Gain, and Dynode Structures The photoelectrons (
primary electrons) emitted by the photocathode are focused by the electron
optical input system and accelerated by a high electric field on their trajectory to
the first ...
Miles N. Wernick, John N. Aarsvold, 2004
Practical Flow Cytometry
GROUND T TO DYNODE 9 Ti 100 v TO DYNODE a SINE WAVE IN TO DYNODE
2 TO DYNODE 1 - HV TO CATHODE Figure 4-35. PMT electrode voltage supply
circuits. Panel A: resistive dynode chain; Panel B: CockcroftWalton voltage ...
Howard M. Shapiro, 2005
Gas Chromatography and Mass Spectrometry: A Practical Guide: ...
Those ions that reach the detector end cap will exit and impact a high-energy
dynode where they are accelerated into the ion detector. The ions of all m/z
values are scanned out of the trap at the maximum possible speed (usually at
5,600 m/z ...
O. David Sparkman, Zelda Penton, Fulton G. Kitson, 2011
A User's Guide to Vacuum Technology
J. l Anode Discrete Dynode Electron Multiplier Figure 8.14 illustrates a typical
installation in which high gain is required-a combination Faraday cup-electron
multiplier. When the Faraday cup is in operation, the first dynode is grounded to
John F. O'Hanlon, 2005
Principles and Techniques of Biochemistry and Molecular Biology
(a) Ions from MS Conversion dynode e– e– Electrons released (b) Ions from MS
Conversion dynode Scintillator or phosphor screen Photomultiplier Electrons
released Amplification To amplifier e– e– e– Fig. 9.20 Conversion dynode and ...
Keith Wilson, John M. Walker, 2010
ADVANCES ELECTRONC &ELECTRON PHYSICS
This behavior occurs because the voltage between the last dynode and the
anode decreases with increasing anode current. This decrease in voltage is
compensated by an increase in voltage between preceding dynodes, resulting in
James Dwyer McGee, Ladislaus Marton, 1974
Techniques for Nuclear and Particle Physics Experiments: A ...
It consists of a cathode made of photosensitive material followed by an electron
collection system, an electron multiplier section (or dynode string as it is usually
called) and finally an anode from which the final signal can be taken. ' All parts
William R. Leo, 1994
Mass Spectrometry Basics
1st dynode 3rd dynode 2nd dynode 4th dynode * * * initial ion beam ion beam
Figure 28.3 Each ion from an incident ion beam causes two electrons to be
emitted from the first dynode. These electrons are accelerated to the second
Christopher G. Herbert, Robert A.W. Johnstone, 2002
Elastic Lidar: Theory, Practice, and Analysis Methods
These electrons are attracted to and accelerated toward the positively charged
first dynode. The dynodes are arranged so that electrons from each dynode are
directed toward the next dynode in the series. Electrons emitted from each
Vladimir A. Kovalev, William E. Eichinger, 2004
10 NEWS ITEMS WHICH INCLUDE THE TERM «DYNODE»
Find out what the national and international press are talking about and how the term dynode is used in the context of the following news items.
Agilent launches triple quadrupole mass spectrometer
An ion detector with a high-energy conversion dynode and low nose characteristics, promotes more efficient positive and negative ion detection ... «FoodQualityNews.com, Jun 15»
Radiation: Whats The Difference Between a Scintillation Counter …
Electrostatic acceleration of these electrons takes place and an electric potential causes them to strike the first dynode of the tube. The impact of ... «AZoSensors, Sep 14»
Aston Martin V8 Vantage 4.3 Power Upgrade - Dyno Results....
I had mine dynode pre cats and other exhaust mods with the quick silver back box fitted, the back box doesn't give any power increase at all. «Pistonheads.com, May 14»
Introduction to Photoemissive and Semiconductor Junction Detectors
The fastest Oriel side-on tubes employ a semitransparent photocathode for achieving even closer packaging of the electron-multiplying dynode ... «AZoOptics.com, Apr 14»
Dyno Files: 2015 Harley-Davidson Street 750 Let's see how Harley's …
The V7 has been dynode on the Motorcycle Consumers Mag. before at mid 30's for hp, and mid 40's for tq, and I remember the mag saying the ... «Cycleworld, Apr 14»
The Photonis Spiraltron™ Family of Miniaturised Channel Electron …
... 10 above traditional CEMs and discrete dynode multipliers. Spiraltron™ electron multipliers are ideal for applications requiring high linearity. «Labmate Online, Mar 14»
E&B Racing Team is Looking Forward to the 2014 Season
With all the homework and car adjustments that the E&B Crew Chief Brownie Brown did, the car ran numbers 18% higher than the dynode ... «PR.com, Dec 13»
The Hiden EQP - Mass and Energy Analyzer for Plasma Diagnostics
Detector: The detector is an off axis mounted continuous dynode electron multiplier that operates in the pulse counting mode. The three ... «Azom.com, Jan 12»
Vertilon Launches SIB232 for Fluorescence Detection Applications
The SIB232 incorporates Vertilon's latest circuitry for preamplification and discrimination of the H7260's last dynode signal. These features ... «PR Web, Nov 09»
Ion Beam Etching – Use of SIMS End Point Detection in Ion Beam …
The air stable continuous dynode electron multiplier detector (D) is mounted in an off-axis position. Typical chamber pressures are in the 10-4 ... «Azom.com, Apr 08»
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