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In the middle between Polycarbonate is a very thin layer of a reflecting metal that may be either Steel, Gold or Alloy. Although different disks may have different metals in them due to where they may be made or type of disk.
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What materials are used to make security cameras?
Metal and plastic are used to make cameras along with glass/perspex reflectors.
What is the purpose of the ruby laser used in technology?
The red ruby laser is used in standard DVD players to read standard DVD discs. They are now being superseded by the blue laser DVD player, otherwise known as Blue-Ray players and discs.
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 storage devices?
MAGNETIC
What DVD discs can I buy that can be re-used?
DVD-RAM and DVD-RW disks are erasable and reusable
Purpose of Heat treatment in carbon steel?
Generally used to improve the properties of the metal. For example to make it tougher or harder. Metals that have been cold worked will have areas of built up stress, which will waken the metal. Heat treatment can be used to remove the weak areas. Which heat treament is used depends on the desired properties of the final metal. Some examples are : Annealing Normalizing Quench Hardening Case hardening
What are sanding discs used for?
Sanding discs are power tools used for sanding plastics, woods and sometimes even metal, to make them smoother. It is made up of sandpaper on a rotating disc.
What are disc use for?
Sanding discs are power tools used for sanding plastics, woods and sometimes even metal, to make them smoother. It is made up of sandpaper on a rotating disc.
What was used to make the first battery?
Discs of zinc and cardboard soaked in brine
What are used for making coins?
Coins are made from metal alloys that are formed to discs and then struck with a punch to mark them with their two sides, a process called "coining". The unmarked discs are called blanks and the whole process takes place in a mint.
What are the metal discs set in a tambourine called?
spinnerets
A metal that is used to make stainless steel?
penis metal
What non metal is used to make microchips?
Silicon is the non-metal used to make micro-chips for computers/electronics.
What are the metal discs set in a tambourine rim called?
pellet bells
Can metal be used to make a satellite?
All satelites are made of metal.
What kind of metal is used to make bed springs?
shiny metal
Metal used to make epsom salts?
Epsom salt is also known as magnesium sulfate. The metal that is used to make these salts is magnesium. Magnesium is an earthy alkaline metal.
What materials were used to make make the first television?
metal,iron and wood (mostly wood)
