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34 terms
Photonics Dictionary: E
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electron beam x
E x
electron beam
A stream of electrons emitted by a single source that move in the same direction and at the same speed.
electron gun
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electron-beam gun
1. A device generally used in a cathode-ray or camera tube to emit a stream of electrons moving at uniform velocity in a straight line. It consists of an emitting cathode and an anode, with an...
electron-beam drilling
The use of a tightly focused beam of electrons to drill minute holes in substances. The drilling is accomplished by the evaporation of the material in the desired circumference by the intense heat of...
electron-beam evaporation
A method of thin-film deposition in which electrons boiled off a heated cathode are used to melt the coating material. If a multipocket crucible is used, many materials can be processed at the same...
electron-beam film scanning
The method by which photographic film is scanned by an electron beam. One technique uses the uniform light of a television screen, focused by a lens onto the processed film, as a means of creating a...
electron-beam gun
1. A device generally used in a cathode-ray or camera tube to emit a stream of electrons moving at uniform velocity in a straight line. It consists of an emitting cathode and an anode, with an...
electron-beam lithography system
An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and research laboratories to pattern extremely fine features with sub-micrometer...
electron-beam recording
The recording of the information contained in a modulated electron beam onto photographic or silicon resin-coated materials. A direct recording method involves the passage of the recording medium...
e-beam
electron beam
EBAM
electron-beam accessed memory
EBC
electron-beam coating
EBER
electron-beam electroreflectance
EBES
electron-beam-exposure system
EBIC
electron-beam-induced current
EBR
electron-beam recording
EBT
electron-beam tomography
edge sensing, second derivative
Technique for the precision evaluation of coincidence of a laser beam's center with the edge of the object under study and exact location of that edge by means of a double electronic differentiation...
edge-emitting LED
An edge-emitting light-emitting diode is a type of LED structure where light emission occurs primarily along the edge of the semiconductor chip rather than from the surface. Edge-emitting LEDs are...
electric quadrupole lens
A device that uses four electrodes set in an alternating positive-negative polarity series to focus the beams of charged particles employed in electron microscopes and particle accelerators.
electron diffraction camera
A special evacuated camera equipped with means for holding a specimen and bombarding it with a sharply focused beam of electrons. A cylindrical film is placed around the specimen to record the...
electron lens
An electric field produced to influence an electron stream much in the same manner that a lens affects a light beam.
electron micrograph
The photographic recording of images produced by the electrons from an electron microscope. The electron beam carries the images through an array of three lenses, and an enlarged electron image is...
electron microradiography
The photographic recording, and later enlarging, of very thin specimens, using an electron beam to form the image.
electron microscope
A device utilizing an electron beam for the observation and recording of submicroscopic samples with the aid of photographic emulsions or other short-wavelength sensors. With the electron microscope,...
electron mirror
An electron instrument used to reflect an electron beam totally.
electron power tube
An electron-beam tube with power-handling capability that is essentially based on controlled electron beams. Its control and screen grids are basically in alignment.
electron probe microanalysis
An analytical technique used to determine the nature of extremely small samples by forming the x-ray spectrum of the samples through excitation by a finely focused electron beam.
electron scanning
The deflection of a beam of electrons, at regular intervals, across a cathode-ray tube screen, according to a definite pattern.
electron storage ring
An advanced magnetic device used in x-ray lithography to beam x-rays onto the surface of silicon wafers used for semiconductor circuits.
electron-gun system
An electron-gun system is an assembly used to generate and control a focused beam of electrons. Electron guns find applications in various fields, including cathode ray tubes (CRTs), electron...
electrostatic deflection
The deflection of an electron beam by the action of an electrostatic field that has a component perpendicular to the direction of the beam.
electrostatic focus
The use of an applied electrical field to focus a cathode-ray tube's electron beam.
electrostatic lens
The electrical distribution that serves to influence an electron beam in the same way that an optical lens affects a light beam.
epitaxial deposition
Epitaxial deposition is a process used in semiconductor manufacturing and materials science to grow a thin crystalline layer, known as an epitaxial layer, on a substrate. The term epitaxial refers to...
Photonics Dictionary
E
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