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Home > Technology Previews > Optical Storage

Tuesday, December 14, 2004
Ultradisc CD-R gold media

2. The First Tests

Ultradisc CD-R gold media - Page 2

The First Tests

- Safe Operating Environment Sample

The first sample which we burned was stored within the operating environment for such media. According to ECMA, the storage environment for a CD should be:

Temperature -20 °C to 50 °C
Relative Humidity 5 % to 90 %
Wet Bulb Temperature 29 °C max.
Atmospheric Pressure 75 kPa to 105 kPa

The measurements with Plextools v2.16 are the following:

  • C1/C2

  • Jitter

- Harsh Environment Sample

This sample, in contrast with the previous, was exposed to open weather conditions, hot sun, rain, moisture etc. Since there is no way to control the weather, the conditions imposed on the disc are totally random as opposed to a controlled test environment in a laboratory for example. The initial measurements for the specific disc are as follows:

  • C1/C2

  • Jitter

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