Ricoh MP7040A User Guide - Page 30

(continued) Environmental Conditions Vibration Shock Environmental dust When operating When not operating 0.035mmpp (10 to 45Hz) 0.025mmpp (45 to 65Hz) 0.2 × 9.8 m/s2 (65 to 150Hz) 1 × 9.8 m/s2 (5 to 300Hz) 2 × 9.8 m/s2 40 × 9.8 m/s2 (6m sec. half sine) (11m sec. half sine) Class 3 million or less (3 million particles of 0.5 micron dust per cubic foot or less) The drive's appearance and specifications may change without notice. Appendix CD-R CD-RW Characteristic CD-R CD-RW Dimensions (External diameter) φ120 mm φ120 mm (Internal diameter) φ15 mm φ15 mm (Thickness) 1.2 mm 1.2 mm Recording area (User area) φ50 to 116 mm φ50 to 116 mm Recording capacity (Time) 74 minutes 63 minutes 74 minutes (Capacity)* 650MB 550MB 650 MB (Linear speed) 1.2 m/s 1.4 m/s 1.2 m/s Track pitch 1.6 ± 0.1µm 1.6 ± 0.1µm Substrate material Polycarbonate Polycarbonate Recording material Organic pigment (phthalocya- Ag-In-Sb-Te phase change nine) / Au or Ag lamination recording material (Organic protective layer attached) Reflectance (R to p) 65% or more 15 to 20% Eccentricity 70µm or less 70µm or less Maximum camber angle 0.4°or less 0.4°or less Recommended recording power 6 to 7mW(at λ:785nm, NA:0.5) 8 to 14mW(at λ:785nm, NA:0.5) Playback power 1mW or less 1mW or less Playback stability 106 times or more (0.7mW) 106 times or more (Playback power = 1mW) Environment for use -5 to 55°C 10 to 40°C 5 to 95%RH 10 to 80%RH Storage life 10 years or more 30 years or more (5 to 25°C, 5 to 60%RH 5 to 25°C, 5 to 60%RH Avoiding direct sunlight) Number of times rewritable ---- 1,000 times or more * The above specifications are for Ricoh CD-R and CD-RW discs * Recommended Discs CD-R : Ricoh, Kao, Taiyo Yuden, Mitsubishi Chemical, Mitsui Toatsu, TDK, and Kodak discs CD-RW : Ricoh, Kao, Mitsubishi Chemical discs * This drive cannot be used with 80 mm CDs. 23