Compact disc technology is one of the fastest growing industries of all time. Compactdiscs became popular in the early 80’s due to its ability to offer increased audio performanceover traditional magnetic recording media. In 1983 over 30,000 players and 800,000 discs weresold [6]. By 1990, this number had grown to a staggering 9.2 million players in the U. S., andclose to 1 billion discs worldwide. In 2004, the annual worldwide sales of CD-Audio, CD-ROM,and CD-R reached about 30 billion. Today, Sony DADC is the leader in the industry and produces about 410 CDs per day and ships up to 6.4 million discs daily. [1]Compact disks are majority used for storing music. The study concentrated on life cycleof Music CDs from the perspective of manufacturing process needed.
3.1 Product life cycle model description for C D
All products and services have certain life cycles. The life cycle refers to the period fromthe product’s first launch into the market until its final withdrawal and it is split up in phases.During this period significant changes are made in the way that theproduct is behaving into themarket i.e. its reflection in respect of sales to thecompany that introduced it into the market.The unit sales of all the memory devices used to store the music are plotted in graphshown in Figure 1. From the figure we can identify that a development of new product is threatfor existence of the present products from history it is clear the product growth of castesvanished Vinyl storage devices. Then cassettes where replaced by compact