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A CD is made from 1.2-millimetre (0.047 in) thick, polycarbonate plastic, and weighs 14–33 grams. [71] From the center outward, components are: the center spindle hole (15 mm), the first-transition area (clamping ring), the clamping area (stacking ring), the second-transition area (mirror band), the program (data) area, and the rim.
With only a few thousand copies ever made, the 12-count CD set has since become a collector’s dream. Brand new sets can easily sell for over $200 , with autographed sets commanding much more. 2.
During glass mastering, glass is used as a substrate to hold the CD master image while it is created and processed; hence the name. Glass substrates, noticeably larger than a CD, are round plates of glass approximately 240 mm in diameter and 6 mm thick. [3] They often also have a small, steel hub on one side to facilitate handling. The ...
Mini CD-R, Mini CD-RW: As of 2020, many manufacturers offer 80 mm CD-R and CD-RW discs for sale in retail electronics and office supply stores. [citation needed] Most of the blank discs available in retail hold either 185 MB (21 minutes) or 210 MB (24 minutes) of data. The mini discs, despite having less weight and plastic, are generally more ...
German record shop (1988) A record shop in The Hague, Netherlands A record shop or record store is a retail outlet that sells recorded music. Per the name, in the late 19th century and the early 20th century, record shops only sold gramophone records.
Longbox packaging was phased out officially as of April 1, 1993, due to the controversy. At the same time, major retail stores were no longer selling vinyl records and had converted their displays to accommodate shrink-wrapped jewel cases, meeting the rising consumer demand for CDs while eliminating the need for longboxes. A further inducement ...
Compact discs (CDs) CD single (CDS), a music single in the form of a standard size compact disc; Cockpit display system; Cross-domain solution, processes that transfer data between security domains; Cinema Digital Sound, a multi-channel surround sound format used for theatrical films in the early 1990s
They consist of an aluminum disc with a coating of nitrocellulose lacquer with acetone added to make a varnish. Glass was often used for the substrate during World War II, when aluminum was in short supply. [2] [3] The production process results in a disc that is different in several ways from the vinyl records sold to customers at retail. Most ...