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Polycarbonate discs coated with a reflective metal on which data is recorded using laser technology as a trail of tiny pits or dark spots in the surface of the disc are?
Compact discs (CDs) are made of polycarbonate material and have a reflective metal layer where data is stored as tiny pits or dark spots created by a laser. When the CD is read by a laser in a CD player, the pits reflect light differently, allowing the player to interpret the data encoded on the disc.
When was the laser pen invented?
The laser pen was invented in 1960 by Theodore H. Maiman, an American physicist. He demonstrated the first working laser using a ruby crystal. The laser technology was later adapted for various applications, including the laser pen.
Who built the first LASER?
The first laser was built by Theodore H. Maiman in 1960 at Hughes Research Laboratories. The laser used a ruby crystal as the gain medium and produced a red laser beam.
Who discovered laser?
Lasers were not discovered, but rather were invented - by a man called Theodore Maiman. Maiman created the first Laser, a ruby Laser, in 1960."L.A.S.E.R." is an acronym standing for:LightAmplification byStimulatedEmission ofRadiation (Not nuclear radiation, but light or photon radiation)
What is the Lunar Laser Ranging experiment?
The Lunar Laser Ranging experiment is the ongoing meaurement of the distance between planet Earth and the moon. The measurment is calculated by using a laser.
Where can someone find a good deal on a compact laser printer?
A good deal on a compact laser printer can be found on the Amazon website. They have a Brother HL2270DW Compact Laser Printer with Wireless Networking and Duplex listed for $109.99.
Which technology is used in Compact disks?
Laser Technology
What type of laser is a thor laser?
A thor laser is a type of solid-state laser that uses a ceramic gain medium to produce high-energy pulses of laser light. It is known for its compact size, high efficiency, and reliability in industrial and scientific applications.
How do cds work?
Compact discs (CD) are read from the inside out ... About an inch of the The inner radius of a compact discs is used for clamping and is used to identify the manufacturer ... These parts of the compact discs can not be copied with out side data and can not be damage with the exception of snapping the whole compact discs in half ... A compact disc that constants music has the inner band of data which is called the lead-in hold the table of contents for the compact disc ... The table of content lets the compact discs know how to navigate around the disc ... Music on a compact disc start just outside the lead-in ... The larger the music track the grater the width is on the compact disc ... A compact disc can hold upwards to 80 minutes of music ... You can tell where the music is on a compact disc by the barker shades on the compact disc ... when the compact disc is not full you can tell by the lightness on the compact disc ... To tell where the tracks are on a music compact disc there are very thin faint circles that separate the ... Unlike a vinyl record which is read by a needle which lies within the grooves a compact disc is read by a laser which allows it to be read with only the laser beam "touching" the data ... The laser beam enters the compact disc on the play side and travels through the compact discs clear plastic layer which picks up information from the data layer then bounces off the reflective coating on the back side of the data layer ... The reflected laser beam then travels back through the clear plastic layer out of the compact disc and into the compact disc player's detector ... The detector then helps the compact disc player convert the information carried by the laser into sound ...
What is a compact disc that uses the same laser technology as audio CD's for recording music?
I dont know the answer
How do CD players work?
c.d players have three major components. The laser reads the bumps on a c.d from the inner part to the outer part. The disk motor drive spins the disk between 200-500 r.p.m While the c.d is spinning, the tracking motor moves back and forth across the c.d from the edge to the inside.
What is compact disk file system?
The Compact Disk File System or CDFS is a format used for storing information on CD's. It uses a laser to burn data into the disk for later viewing.
Which method of storage uses laser to record?
It is a compact disk. Or it could be anything under optical disk drive.
What compact laser printers have positive reviews?
Some laser printers that have positive reviews include the Brother HL-3170CDW, Dell Wireless Laser Printer B1660w, and HP LaserJet Pro 400 M401dw. You can find more reviews on laser jet printers at online at CNET and Amazon.
What does the compact disc do?
A compact disc, first marketed in 1983, is a sound carrier that is played by a laser beam that reads the code in the disc. A compact disc player is a machine that spins the disc, shines a laser on it, and sends the resulting electrical signal to an amplifer, which sends it to speakers.
What does CD-RW stand for?
Compact Disc Re-WritableIt describes a Compact Disc that contain materials within it capable not only of recording data burned onto it by a laser but also (with the application of a stronger laser) having that information erased so that the disc can be rewritten. CD-RW discs can usually only be used properly in optical drives that specify that they can read (and usually write) that type of disc.
The leters CD as in music or data storage stand for what?
When laser disks first came out they were large disks the size of an old fashioned record. Then a small laser disk was developed and called a 'Compact Disk," or as an acronym, CD.
