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positioning Dictionary Terms

electron-beam lithography system
An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and...
stiction
In positioning, the friction that prevents immediate motion when force is first applied to a body or surface at rest.
linear actuator
High-precision motorized positioning device, often linked to computer control equipment.
cross-coupling
1. A defect inherent in a multiple-axis positioning system whereby an adjustment of one axis causes an undesired change in...
embedded laser
The term "embedded laser" typically refers to a laser device that is integrated or embedded into a larger system or...
repeatability
The degree to which a predetermined or previous setting of a positioning device can be duplicated by observance of the...
cross roller slide
A positioning slide mechanism with two rows of alternately crisscrossed cylindrical rollers.
rotary actuator
A precision positioning device used to produce rotary motion.
yaw
In positioning, in-plane rotation about the vertical axis. Also known as azimuth.
layout
In the optical shop, the process of positioning and marking a blank or lens before surfacing, cutting and edging.
aiming beam
A visible laser beam generated coaxially with an infrared or other invisible laser beam to aid in its positioning.
optical constructor
A system of modular mechanical components for building precision optical systems. The basic equipment includes a variety of...
galvanometric scanner
A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...
crossed prisms
The positioning of two Nicol prisms so that their axes are at right angles to each other. With this arrangement, light...
pitch
In positioning, rotation about an axis normal to the line of sight. Also known as attitude.
spectrometer mask
A high-contrast transparency of the gas sought, or an array of exit slits that correlates with some features of the...
wobble
In micropositioning systems, motion (most frequently undesired) about the Z-axis.
piezoelectric motion systems
Piezoelectric motion systems are mechanical systems that utilize piezoelectric materials to generate controlled motion or...
epitaxial equipment
Epitaxial equipment refers to a set of specialized tools and systems used in the process of epitaxy, which is the growth of...
fluorescence correlation spectroscopy
A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in...
solenoid
In micropositioning, a remote positioning device in which an electric current drives a movable armature mounted on an...
piezoelectric crystal
A crystal consisting of a substance that has the ability to become electrically polarized and has strong piezoelectric...
motion controller
In optics, a motion controller refers to a device or system that precisely controls the movement of optical components, such...
moiré topography
Contour mapping technique that involves positioning a grating close to an object and observing its shadow on the object...
helium-neon laser
A helium-neon (HeNe) laser is a type of gas laser that emits visible red light at a wavelength of 632.8 nm. It operates...
mirror mount
A mirror mount is a mechanical device used to secure and precisely position mirrors in optical systems. Mirrors are...
stylus indicator alignment
A method used in surface quality testing for accurate positioning and rotation of metal spheres about an axis or fixed point...
remote laser welding
A robotic process commonly employed by automakers that enables high-speed and flexible production throughput by using...
air bearing
A support device in which a column or chamber of air permits the free travel of a mobile part. In optical mounting and...
roll
In positioning, rotation about the line of sight or direction of travel.
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
linear positioning stage
A linear positioning stage, also known as a linear stage or translation stage, is a precision mechanical device used to...
resolution
1. In optics, the ability of a lens system to reproduce the points, lines and surfaces in an object as separate entities in...
optical clock
An optical clock is a highly precise and advanced timekeeping device that relies on the oscillations of electromagnetic...
positioning
Positioning generally refers to the determination or identification of the location or placement of an object, person, or...
nanopositioning
Nanopositioning refers to the precise and controlled movement or manipulation of objects or components at the nanometer...
endoscope
An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...
stepper motor
A positioning drive that rotates a fraction of a 360° turn when the motor coils are activated, resulting in linear or...

(38 results found)

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