- Silicon Wafer : Solar Cells, Semiconductor device
- GaAs Wafer : Aerospace and Military Application
- Quarts
- ±ÕÀÏÇÑ tensile strength
- ´Ù¾çÇÑ º¸ºó bobbin °ø±Þ
- ¼öÀ² Çâ»ó
- wire ´Ü¼± °¨¼Ò
- warpage Çâ»ó