| 【表 ２．】 この拡散反射率は、厚み5mmの《EVER-WHITE》No.9582の光沢光学研磨面を日立製分光光度計 U-3410とU-4000を用い測定した値です。 【Table 2.】 The diffuse reflectance was measured on the polished optical flat surface of 5mm-thick 《EVER-WHITE》No.9582 with Hitachi Color Analyzer U-3410 and U-4000. |
波長 Wavelength (nm) |
正反射成分を 除く反射率 Excluding Specular Component (%) |
正反射成分を 含む反射率 Including Specular Component (%) |
波長 Wavelength (nm) |
正反射成分を 除く反射率 Excluding Specular Component (%) |
正反射成分を 含む反射率 Including Specular Component (%) |
| 220 260 300 340 380 420 460 500 540 580 620 660 700 740 780 820 860 900 940 980 1020 1060 1100 1140 1180 1220 1260 1300 1340 |
56.90 20.20 38.90 83.08 94.00 94.71 94.26 94.34 94.41 94.21 94.14 94.00 94.27 94.31 94.12 94.54 94.39 94.39 94.33 94.08 93.95 93.78 93.48 93.38 93.25 93.02 92.78 92.64 92.17 |
43.91 20.15 43.88 88.16 98.81 100.00 99.84 99.82 99.76 99.66 99.47 99.25 99.52 99.48 99.30 99.24 99.22 99.00 98.82 98.64 98.51 98.41 98.19 97.97 97.85 97.46 97.14 97.01 96.49 |
1380 1420 1460 1500 1540 1580 1620 1660 1700 1740 1780 1820 1860 1900 1940 1980 2020 2060 2100 2140 2180 2220 2260 2300 2340 2380 2420 2460 2500 |
91.57 88.19 89.91 89.99 89.49 88.77 87.81 86.91 85.91 84.70 83.23 81.97 80.81 79.34 77.39 75.45 73.81 71.67 67.40 64.29 60.02 55.05 53.46 52.96 51.83 48.86 44.83 41.60 39.14 |
95.63 92.44 93.99 94.01 93.36 92.59 93.68 90.58 89.42 87.96 86.39 85.16 84.08 82.54 80.35 78.74 77.24 74.84 70.27 67.11 62.56 57.75 56.17 55.62 54.40 51.06 47.19 43.80 40.95 |
| (By MCRL/5.21.1990) |