| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide glass which is used for an optical element for a concentrator photovoltaic system, and can suppress deterioration of an adhesive used for bonding the optical element to a solar cell; an optical element for the concentrator photovoltaic system using the glass; and the concentrator photovoltaic system. <P>SOLUTION: The glass used in an optical element for the concentrator photovoltaic system comprises, by mass%, 30-85% of SiO<SB POS="POST">2</SB>, 0-30% of B<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, 0-20% of Al<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, 0-10% of ZrO<SB POS="POST">2</SB>, 0-20% of LiO<SB POS="POST">2</SB>, 0-20% of Na<SB POS="POST">2</SB>O, 0-20% of K<SB POS="POST">2</SB>O, 0.01-5% of CeO<SB POS="POST">2</SB>and 0-5% of SnO<SB POS="POST">2</SB>, and does not substantially contain TiO<SB POS="POST">2</SB>. <P>COPYRIGHT: (C)2013,JPO&INPIT |
