CIPA 2003 XIX"' International Symposium, 30 September - 04 October, 2003, Antalya, Turkey
Cost of information storage on metal carriers is higher than on
CDs. It is bound up with the fact, that every carrier is
manufactured individually and by its manufacturing are used more
expensive materials. But charges about $15-20 for manufacturing
a metal carrier are justified, when it is necessary to preserve
information, which is of great cultural, scientific, commercial
value. Certain saving in charges can be provided at the expense of
excluding the necessity of the periodical information transfer.
The modem technologies of microelectronics and laser
lithography allow to manufacture information carriers, the
recording of information on which can be carried out with density
up to tens of gigabytes per cm 2 , having potentially high service
life owing to selected materials and methods of their processing.
3. CONCLUSIONS
The optical methods of information recording/reading thanks to
absence of contact, use of physical methods of information
protection against dust contaminants allow to provide a reliable
and long-term information storage.
Large potentials on ensuring the information storage during
hundreds of years have optical carriers manufactured from
homogeneous materials with relief-phase information recording.
The long term of information storage on optical carriers can be
provided at manufacturing substrates from high-stability materials
such as nickel or glass.
Todorovic. M., Schultz. S., Wong. J., Scherer. A. Patterned media:
giant step in magnetic storage. Data Storage. May 1999. pp. 17-
20.
5. ACKNOWLEDGEMENTS
The fulfillment of researches was financed by the National
Academy of Sciences of Ukraine. The authors express a profound
gratitude to the employees of the Institute for Information
Recording of the NAS of Ukraine and Vernadsky National Library
of Ukraine for the help in carrying out researches and discussion
of results.
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