| 摘要 |
PURPOSE: An orientation control device for a sapphire growth furnace is provided to rapidly move a descending point to the center of a growth furnace by controlling the position of the growth furnace, and to secure a high quality single crystal sapphire. CONSTITUTION: Supporters(50) support a casing(10) and the ground. The lengths of the supporters change according to the energy supplied from the outside. A head(30) includes a view pointer(32) for monitoring the upper surface of a growth furnace(20). A digital camera(40) is mounted on the view pointer of the head and photographs the upper surface of the growth furnace. A control unit receives the image of the digital camera and transmits the image to an output device. |
