| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a glass substrate for a solar cell which can improve surface quality and has good devitrification resistance. <P>SOLUTION: The glass substrate for a solar cell has a glass composition comprising, in percent by mass, 30-70% of SiO<SB POS="POST">2</SB>, 3-20% of Al<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, 0-10% of B<SB POS="POST">2</SB>O<SB POS="POST">3</SB>, 0-10% of MgO, 0-10% of CaO, 0-25% of SrO, 0-25% of BaO, 0-10% of Na<SB POS="POST">2</SB>O, 0-10% of K<SB POS="POST">2</SB>O and 0-8% of ZrO<SB POS="POST">2</SB>, and has a coefficient of thermal expansion at 30-380°C of 50-95×10<SP POS="POST">-7</SP>/°C. <P>COPYRIGHT: (C)2013,JPO&INPIT |
