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Monday, June 24, 2002
 Ritek announces 48x CD-R media
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Message Text: RITEK announced 48x CD-R media. As RITEK says "...Our media is certified under QS 9000.Each RITEK CD-R has to pass multiple quality control tests before it is released, making it the most reliable digital data storage media..."

RITEK CD-R for Audio offers you 74 & 80 minutes of digital audio recording time, and provides you excellent quality of audio sound. RITEK provides diverse products to meet customer's special needs. Though CD-R changes rapidly in writing speed, RITEK is capable of offering the highest quality and compatibility discs.

Features

- High Speed, Perfect Compatibility - Durable, Long Lasting Archives - Excellent Performance - Maximum Safety

Specification

Dimension
Outer Diameter
120 +/- 0.3 mm
80 +/- 0.3 mm

Inner Diameter 15+0.1/-0 mm

Thickness 1.2+0.3/-0.1 mm

User Area 50 ~ 116 mm

Recording Capacity
- Capacity 74min / 650MB <120 mm>
- 80min / >700MB <120 mm>
- 99min / >875MB <120 mm>
- 21min / 185MB <80 mm>

Type Data / Audio

Speed 1X ~ 48X

Track Pitch 1.6 +/- 0.1 um

Linear Velocity 1.2 ~ 1.4 m/s

Substrate Polycarbonate

Writing Layer
Cyanine dye
Phthalocyanine dye

Reflective Layer Ag (Silver)

Protection Layer Acry Laq.

Time Encoding ATIP Wobble Modulation

Reflectivity >=65%

ATER <10% Avg. over 10 sec.

Lock Freq.(Wobble) 22.05KHz

CNR of Wobble (Unrencorder) >35dB (BW=1 KHz)

Radial Contrast (Rcb) >0.05

Optimum Recording 5.9mW ~ 7.2mW (OB:4 ~ 8mW)

Power Ranger

Operation Temp. -5 ~ +55 degree

Operation Humidity 5% ~ 95%RH

 
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