1.characteristics | ||||||||||||||
Material | Thickness | A[2856k] | D65 | Chemical stability | ND | α×10-7 | Tg | Ts | S | |||||
(mm) | x | y | Y | x | y | Y | DA | DW | (℃) | (℃) | (℃) | |||
CB1 | 2 | 0.55 | 0.427 | 55.8 | 0.478 | 0.454 | 47.9 | 3 | 4 | 1.523 | 96 | 523 | 588 | 2.55 |
CB2 | 2 | 0.486 | 0.427 | 86.9 | 0.368 | 0.392 | 47.9 | 3 | 4 | 1.523 | 96 | 523 | 588 | 2.55 |
2.Technical requirements | |||||
Material | Thickness | 420 | 500 | 580 | 700 |
(mm) | (nm) | (nm) | (nm) | (nm) | |
CB1 | 2 | ≤2.3 | 36.5~57.8 | ≥60.5 | |
CB2 | 2 | 15.2~34.8 | 48.1~63.4 | ≥72.8 |
3. Bubbles, stripes, stress levels | |||
Material | Bubbles | strips | stress levels |
CB1 | D | 3C | 4 |
CB2 | D | 3C | 4 |