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storage Dictionary Terms

cell
1. A single unit in a device for changing radiant energy to electrical energy or for controlling current flow in a circuit....
magnon
A magnon is a quasiparticle representing a quantized spin wave in a magnetic material. In other words, it is a collective...
Q-switch
A device used to rapidly change the Q of an optical resonator. It is used in the optical resonator of a laser to prevent...
storage time
Interval between cutting off a photoconductor's signal and the fall of current output to 90 percent.
CD-ROM (compact disc read-only memory)
An adaptation by Philips and Sony of their audio compact disc technology for optical disc data storage and retrieval....
pit
The micrometer-size depressions that store data digitally in an optical data storage medium.
microfilm camera
A camera used to reduce originals onto film for easy storage. There are two basic types: one in which the film is fixed...
stacked hologram
The superimposing of holographic pages in a thick, erasable storage material by changing the reference and object beams....
sputtering target
A sputtering target is a solid material used in the process of physical vapor deposition (PVD), specifically sputtering....
Ruticon
A ruticon is an opto-electronic device in which light going through it can be modulated by an electric field. The...
magnetic bubble film
An amorphous film in which cylindrical bubbles of reverse magnetization can be formed to follow circuit paths usually made...
electron storage ring
An advanced magnetic device used in x-ray lithography to beam x-rays onto the surface of silicon wafers used for...
digital optical processing
The scanning of photographs or transparencies of images, either by a vidicon camera or flying spot scanner, for the...
phase-change optical disc
An erasable data recording and storage medium that uses a laser to heat the crystalline surface of the disc to a certain...
storage tube
A cathode-ray tube combined with an electrostatic storage unit that is used to introduce, store and retrieve information...
hybrid cooler
A cryogenic cooler device that is an intermittent Joule-Thomson refrigerator with a passive radiator serving as the...
frame rate
Frame rate refers to the frequency at which consecutive images, or frames, are displayed in a video sequence. It is...
holography
Holography is a technique used to capture and reconstruct three-dimensional images using the principles of interference and...
packet
The finite amount of electrical charge generated in response to incident radiation and transferred from one storage element...
optical read-only memory
Generic term for read-only optical data storage, source of the Philips-Sony term CD-ROM.
graphecon
An electron tube having two electron guns, one on each side of the storage medium, to encode the information onto the...
holographic memory
The storage of data as bits in memory by holographic processes. The laser beam is divided into reference and object beams,...
hololens
A series of permanent holograms in dichromated gelatin formed by opening total page-composer apertures and setting a point...
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
electromagnon
An electromagnon is a quasiparticle excitation that combines aspects of both magnetism and electric polarization in a...
photochemical hole burning
A method of producing disks for erasable optical data storage. Information is recorded by a laser beam that generates pits...
cache
A portion of computer memory that is used for temporary storage of frequently accessed data. Substantially increases...
fiber optic preform
A fiber optic preform is a cylindrical glass rod or tube used as the starting material for manufacturing optical fibers. It...
surface-enhanced Raman optical data storage
A technique of optical storage whereby information is encoded by molecular alterations in the interaction between the...
magnetic tape recorder
An instrument used to record sound, pictures or both on a magnetic tape for storage and playback.
read-write capability
In an optical data storage system, denoting the optical head's ability both to record information and to detect it for...
photonic crystals
Photonic crystals are artificial structures or materials designed to manipulate and control the flow of light in a manner...
optical data storage
The storage of information via optical means, primarily employing a low-power laser to inscribe data on a photosensitive...
free-electron laser
A free-electron laser (FEL) is a type of laser that generates coherent, high-intensity electromagnetic radiation by using a...
read-only memory
An optical storage product that can be used for playback only.
dye-polymer optical disc
A type of erasable data storage device that uses a medium deposited on the disc in two layers, each dyed to absorb a...
beam-addressable technology
The application of reversible writing with a laser beam on particular storage materials. In one method, an amorphous film is...
electron multiplication charge-coupled device camera
An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...
electron trapping optical memory
A method of erasable optical data storage in which information is stored by visible light, then read by illumination with an...
mode 1 (and mode 2)
In compact disc systems, the two principal frame formats for data storage. Mode 1 devotes 2048 bytes to user data, reserving...
solar heat storage
The process of transferring collected energy from solar radiation into a heat-absorbing medium (e.g., an insulated tank of...
tellurium
The material favored for study of interaction of high-acoustic intensities with free carriers. Tellurium is the...
bistable display
A matrix-controlled display that has information storage at the display surface, and requires that an element be addressed...
GaN distributed feedback lasers
GaN (gallium nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...
direct-view storage tube
A cathode-ray tube in which secondary emission electrons form a display of high intensity.
biometrics
Biometrics refers to the automated recognition of individuals based on their physiological or behavioral characteristics....
digital camera
A digital camera is a device that captures and records still images or video in digital format. Unlike traditional film...
write once, read many (WORM)
An optical data storage device that permits the user to store data (write) and play it back (read), but not to erase or...
thick-phase material
A type of recording material, usually a photodielectric polymer, offering in situ development mechanisms because of its...
digitizer
A device that samples and quantizes a signal in digital form for storage in memory.
well plate
A well plate, also known as a microplate or microtiter plate, is a flat plate with multiple small wells or depressions...
monostable display
A matrix-controlled display that has no information storage at the display surface.
parasitic oscillation
Oscillation in rod and disc amplifiers that critically limits the achievable energy storage.
image storage panel
A modified form of an image-retaining panel that can be used in subdued daylight. This is achieved by adding a layer of zinc...
cathode
1. The negative electrode of a device in an electrical circuit. 2. The positive electrode of a primary cell or storage...
whole slide imaging
Whole slide imaging (WSI), also known as virtual slide microscopy or digital pathology, is a technology that involves the...
q-switched operation
Q-switched operation, or q-switching, is a technique used in lasers to produce short and intense pulses of light. The term...
image redundancy
The multiple storage of a single image.
magneto-optic storage
A specific type of storage in which the material to be written on is heated above its transition temperature and switched in...
storage area network
A high-speed network or subnetwork that provides a connection between servers and data storage devices.
optical storage
 spatial mode
Also known as transverse mode. The configurations of energy storage, relative to the structure of a laser resonator, that...
orthicon
A television camera tube in which a low-velocity electron beam scans a photoactive mosaic that has been created by an...
drive
The hardware for reading (and writing in devices so equipped) an optical mass data storage disk.
high-density storage
Extensive data storage in the form of bits, with the use of high-resolution photographic materials and optics, and generally...
CMOS camera
A CMOS camera refers to an imaging device that employs a complementary metal-oxide-semiconductor (CMOS) image sensor to...
optical memory
1. The direct storage of data as bits in memory using optical systems and properties. The memory makes use of a laser beam...
flexible display
A flexible display refers to a type of electronic visual display that is designed to be bendable, foldable, or rollable,...
magneto-optics
Magneto-optics refers to the study and manipulation of the interaction between magnetic fields and light (electromagnetic...
blue diode laser
A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...
high-speed motion camera
A high-speed motion camera, also known as a high-speed camera or slow-motion camera, is a specialized imaging device...
optical character reader
A photosensitive device used to optically scan and read character data (numbers, letters etc.) and input this data into a...
visual storage tube
An electron tube that stores and visually displays information by means of a cathode-ray-beam-scanning and charge-storage...
direct read after write
A write-once optical disc storage system in which the optical head reads continuously while writing to check the accuracy of...
input/output
I/O stands for input/output. In computing, it refers to the communication between a computer system or program and its...
effective data rate
A characterization of the throughput performance of data storage systems; the EDR is the total of data retrieved divided by...
microfilm system
A camera copying system that can reduce originals onto 35- or 16-mm film for easy storage.
chalcogenide
Chalcogenide refers to a class of compounds containing elements from group 16 of the periodic table, which includes sulfur...
single-walled carbon nanotubes
Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared...
stacked optical memory
A memory system composed of a stack of holographic plates, a mode-locked laser and a rapid detector array. Ultrashort laser...
optical tape recorder
An instrument used for video or computer data storage in which a laser optical head is used to write digital information...
Winchester drive
A sealed, hard, magnetic disc drive used for the storage of data in a computer system.
electrostatic storage
Information storage on a dielectric medium that represents the data as those spots on the medium having electrostatic...
camera tube target
The storage surface of an electron beam tube that is scanned by an electron beam to generate an output-signal current...
photostore
The photographic recording of data, in binary form, for storage in memory. Exposure is achieved by a cathode-ray tube or by...
GigE
GigE, short for gigabit Ethernet, refers to a standard for high-speed Ethernet communication, capable of transmitting data...

(86 results found)

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