An optical disc system is being developed to address wideband archival digital data storage applications.This system, which has the capability for "instant" playback (i.e., within a few bit periods), is configured about an RCA -proprietary "trilayer" optical d 4c structure.
RCA has been working on digital data storage applications of optical discs since 1976. The basic optical technology utilizes ablative recording on laser sensitive materials, providing immediate playback of the stored data. Recently, complete systems have been built which fully establish the feasibility of digital optical disc storage for high data rate (beyond 200 Mb /s), high storage density (5x1010 bits /disc) and low bit error rate (<10-8). This paper briefly describes the hardware which has been developed.The main theme of the paper is the reporting and analysis of the test results that are being derived from this hardware.
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