electron multiplier sentence in Hindi
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- These reflected electrons return down the cathode ray tube toward the first dynode of the electron multiplier surrounding the electron gun which is at high potential.
- It may be considered a 2-dimensional parallel array of very small continuous-dynode electron multipliers, built together and powered in parallel too.
- He later took part in the development of the theory of thermoelectric refrigeration and image tube aberrations and in demonstrating the mathematical operability of a multistage electrostatic electron multiplier.
- To aid in viewing such signals, special oscilloscopes have borrowed from night vision technology, employing a microchannel plate electron multiplier behind the tube face to amplify faint beam currents.
- This structure is also known as ( single ) channel electron multiplier ( CEM ) or continuous channel multiplier, and one of the most common is sold under the trade name Bendix Channeltron.
- One variant called a " channel electron multiplier " does not use individual dynodes but consists of a curved tube, such as a helix, coated on the inside with material with good secondary emission.
- After the beam scatters off the crystal surface, it goes into the detector area D . The most commonly used detector setup is an electron bombardment ion source followed by a mass filter and an electron multiplier.
- An electron beam is focused onto a specimen and emitted electrons are deflected around the electron gun and pass through an aperture towards the back of the CMA . These electrons are then directed into an electron multiplier for analysis.
- Since the electrons emitted within an image dissector are collected by the electron multiplier or anode only during the very brief time an area of the " electron image " is exposed, the bulk of the electrons are lost.
- An image orthicon camera can take television pictures by candlelight because of the more ordered light-sensitive area and the presence of an electron multiplier at the base of the tube, which operated as a high-efficiency amplifier.
- A sharply focused beam of electrons ( a cathode ray ) is generated by the electron gun at ground potential and accelerated by the anode ( the first dynode of the electron multiplier ) around the gun at a high positive voltage ( approx . + 1500 V ).
- Farnsworth addressed this problem with the invention of an " electron multiplier " ( not to be confused with contemporary electron multipliers ), a device that increased the number of electrons in a circuit by generating " secondary emissions " of electrons from a pair of opposed surfaces, thus amplifying the electrical signal.
- Farnsworth addressed this problem with the invention of an " electron multiplier " ( not to be confused with contemporary electron multipliers ), a device that increased the number of electrons in a circuit by generating " secondary emissions " of electrons from a pair of opposed surfaces, thus amplifying the electrical signal.
- Faraday cups are not as sensitive as electron multiplier detectors, but are highly regarded for accuracy because of the direct relation between the measured current and number of ions . This device is considered a universal charge detector because of its independence from the energy, mass, chemistry, etc . of the analyte.
- The newly formed " product ions " flow into the mass spectrometer chamber, which contains a second quadrupole mass filter, and an electron multiplier detector, which are used to separate the ions by their mass-to-charge ratios ( m / z ) and measure the count rates of the ions in the desired m / z range.
- For decades, electron-tube designers tried to augment amplifying tubes with electron multipliers in order to increase gain, but these suffered from short life because the material used for the dynodes " poisoned " the tube's hot cathode . ( For instance, the interesting RCA 1630 secondary-emission tube was marketed, but did not last . ) However, eventually, Philips of the Netherlands developed the EFP60 tube that had a satisfactory lifetime, and was used in at least one product, a laboratory pulse generator.
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