Toward Permanence in Digital Data Storage

Lunt, Barry M.; Linford, Matthew R.; Davis, Robert C.; Jamieson, Sarah; Pearson, Anthony C.; Wang, Hao

doi:10.2352/issn.2168-3204.2013.10.1.art00029

Cited by 6 publications

(1 citation statement)

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“…Nevertheless, information stored on optical disks still faces a dangerous situation in that the disks might be deteriorated or suffer loss of information owing to unwanted changes in the physical and chemical status. [1][2][3][4] This comes from the fact that the process of recording information on optical disks uses optical energy to produce physical and chemical changes in the recording layer of the disk. Even if the optical disk is recorded under an optimal condition, the recorded information still under the possibility of loss due to the natural deterioration of recorded marks arising from the storage environment such as temperature and humidity.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Data Stability and Analysis of Degradation Factors of Digital Versatile Disk Recordable (DVD+R) for Archival Application

Lee

Lím

Kim

et al. 2012

Jpn. J. Appl. Phys.

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Optical disks are widely used in libraries and archives as digital data media due to their archival storage stability. Nevertheless, there is relatively less focus on the understanding of physical and chemical degradation mechanism. To observe the degradation mechanism of an optical disk, the accelerated aging test was designed with high temperature and relative humidity of 85 °C and 85% in this study. After 1500 h of aging, digital versatile disk recordable (DVD+R) media resulted in a high value of over 280 in the PI sum 8 value, which means a severe data degradation in the media. From the microstructural observation of recorded marks and the chemical analysis of the reflective layer after this accelerated aging test, gradual physical deformation of recorded mark edges and chemical change of the reflective layer were observed, and they might be related to the severe increase of PI sum 8.

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Section: Introductionmentioning

confidence: 99%

Evaluation of Data Stability and Analysis of Degradation Factors of Digital Versatile Disk Recordable (DVD+R) for Archival Application

Lee

Lím

Kim

et al. 2012

Jpn. J. Appl. Phys.

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Data and device protection: A ToF-SIMS, wetting, and XPS study of an Apple iPod nano

Gupta

Tuscano

Romriell

et al. 2013

Surf. Interface Anal.

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An important aspect of the robustness of an electronic device is its ability to resist water, fingerprints, dirt, and smudges that may compromise its ability to function and/or the information within it. Here, we report a chemical analysis by ToF-SIMS, wetting, and XPS of the surfaces in a commercially available Apple iPod nano (8GB, MC525LL/A), which showed good resistance to its environment. This analysis reveals that the front panel (touchscreen) of the device is coated with a low free energy fluorinated polymer that may consist of short segments of a fluorinated hydrocarbon connected through ether linkages. No other part of the device appears to have this hydrophobic coating. A plasma treatment of the device leads to a deterioration of its performance. This work demonstrates how different analytical techniques can complement each other and contribute to a better understanding of a surface or a material.

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Data Longevity and Compatibility

Parhami¹

2018

Encyclopedia of Big Data Technologies

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Toward Permanence in Digital Data Storage

Cited by 6 publications

References 0 publications

Evaluation of Data Stability and Analysis of Degradation Factors of Digital Versatile Disk Recordable (DVD+R) for Archival Application

Evaluation of Data Stability and Analysis of Degradation Factors of Digital Versatile Disk Recordable (DVD+R) for Archival Application

Data and device protection: A ToF-SIMS, wetting, and XPS study of an Apple iPod nano

Data Longevity and Compatibility

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