The Secret Behind CD's

CD media is no longer curiosities. Many people who often played with pieces of CDs for various purposes. There is a photograph in the studio and the results stored on the CD image, there are songs that make the album and the results stored on the CD, there is also a film and the results are also stored on CDs.

CD-ROM An acronym for Compact Disc - Read Only Memory. CD-ROM disc is silver. Manufacturing process is by putting a layer of plastic that has been illuminated by a laser beam. The laser beam will form a pit (hole) micro-sized, very small. The holes will form a line of code in the form of data content. Once a hole is created, it can not be closed again. Then the plastic layer will be covered again by the liquid plastic that is useful as a protector and reflectors. All that the process is carried out gradually in a printing machine. Tools CD-ROM mold looks like a cookie cutter and making analogies are also very similar. More details download here with indonesian language.

Source : http://ilmukomputer.org