公开(公告)号：JP2012106869A

公开(公告)日：2012-06-07

申请号：JP2010254649

申请日：2010-11-15

Applicant: Tohos Sgm Kk ,  東ソ−・エスジ−エム株式会社

Inventor： OKADA HIDEAKI ,  HORIKOSHI HIDEHARU

IPC: C03B11/00 ,  C03B20/00

CPC classification number: C03B19/1469

Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a quartz glass formed body having optical characteristics suitable for optical use by eliminating influence of striae with no heat treatment for removing striae even when the quartz glass formed body has a relatively large diameter.SOLUTION: A method of manufacturing an optical quartz glass formed body includes a process of obtaining a plate formed body by pressurizing a quartz glass ingot compounded by a direct method from the same direction as the growth direction of the ingot, and a process of deleting one or both faces (hereinafter, referred to as a pressurized formed face) formed by pressurizing the obtained plate formed body until no striae can be observed by visual inspection from the vertical direction of the pressurized formed face to obtain the quartz glass formed body.

Abstract translation: 解决的问题：提供一种制造具有适合于光学用途的光学特性的石英玻璃成形体的方法，即使当石英玻璃成形体具有相对大的直径时，也可以通过消除不进行热处理的条纹的影响来去除纹皮 。 解决方案：一种制造光学石英玻璃成形体的方法包括通过从与锭的生长方向相同的方向通过直接法合成的石英玻璃锭加压获得板成形体的工艺，以及工艺 通过对获得的板状体进行加压而形成的一个或两个面（以下称为加压成形面），直到通过从加压成形面的上下方向观察而无法观察到条纹，得到石英玻璃成形体 。 版权所有（C）2012，JPO＆INPIT