公开(公告)号：US06415630B1

公开(公告)日：2002-07-09

申请号：US09403887

申请日：2000-01-11

申请人： Frank Coriand ,  Andreas Menzel ,  Walter Nadrag ,  Wolfgang Schmidt

发明人： Frank Coriand ,  Andreas Menzel ,  Walter Nadrag ,  Wolfgang Schmidt

IPC分类号： C03B508

CPC分类号： C03B19/02 ,  C03B20/00

摘要： In a method for producing a streak-free quartz glass sheet with a highly homogeneous degree of refraction, a quartz glass rod is lowered into a melting pot parallel to a longitudinal axis of the quartz glass rod. A cross-section of the melting pot is larger than a cross-section of the quartz glass rod and determines a contour of the quartz glass sheet. The quartz glass rod is heated in the melting pot to a flow temperature whereupon the quartz glass rod is lowered until the quartz glass rod melts and a height of the quartz glass flowing in the melting pot reaches a desired quartz glass sheet thickness. The melting pot and the quartz glass rod move relative to each other in a direction which is perpendicular to the longitudinal axis of the quartz glass rod during the melting process. Preferably, the movement involves a rotational and a transverse movement.

摘要翻译： 在制造具有高度均匀的折射率的无条纹石英玻璃板的方法中，将石英玻璃棒降低到与石英玻璃棒的纵向轴线平行的熔炉中。 熔炉的横截面大于石英玻璃棒的横截面，并确定石英玻璃板的轮廓。 将石英玻璃棒在熔炉中加热到流动温度，随后石英玻璃棒降低直到石英玻璃棒熔化，并且在熔炉中流动的石英玻璃的高度达到期望的石英玻璃板厚度。 在熔融过程中，熔池和石英玻璃棒在垂直于石英玻璃棒的纵向轴线的方向上相对移动。 优选地，该运动涉及旋转和横向运动。