| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method of manufacturing borosilicate glass which has a small umber of remaining air bubbles. <P>SOLUTION: The method of manufacturing borosilicate glass by obtaining a glass melt by melting a glass material and then cooling the glass melt uses the glass material which contains chloride and nitrate, the content of B<SB POS="POST">2</SB>O<SB POS="POST">3</SB>being equal to or less than 18 mass%. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
