4inch Al2O3 Monocrystal Rod One of the main products of Crystaland, Crystaland's high-quality 4-inch LED substrate material, all visible and non-destructive, colorless, through the continuous adjustment of production technology, process technology is increasingly perfect; through the authority of testing and certification and product qualityIt has been comparable to the products of similar international manufacturers. | ![]() | ![]() |
| Crystal Material | High Purity Al2O3( 99.996%) | |||
| Specification item | Target | Tolerance | Unit | |
| 1.Surface Orientation | C-Plane(0001) | |||
| 2.Diameter | 100.05 | ± | 0.05 | mm |
| 3.Orientation Flat | A-Plane(11-20)±0.25 | degree | ||
| 4.Flat Length | 30 | ± | 1 | mm |
※The above pictures and datas are for Crystaland Co.,Ltd .products took pictures and the measured datas, only for reference;If you need new products informations can be contacted with Crystaland Co.,Ltd .