Introduction
The History of Optical Storage
As it was mentioned in the first chapter, the first optical recording technology was invented by the Sumerians of Mesopotamia back in 3500 BC. The logographic writing system they introduced consisted of numerous signs called logograms, representing complete words. This system was ambiguous and caused errors during data retrieval, or reading.
The more advanced optical recording technology—hieroglyphic and alphabetic writing systems, which allowed for storing, retrieval, and duplication of data almost without errors (except for misspellings and misreading)—was put forward by the Egyptians about 5,000 years ago.
Today's meaning of optical data storage refers to storage systems that use light for recording ...
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