| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inexpensive solar battery element of high efficiency by forming a substrate having the light sealing-off effect suitable for improving the efficiency of the thin film solar battery element with high throughput at a low cost. <P>SOLUTION: The sand blasting is performed on a surface of the glass substrate for the solar battery element by using the mixed abrasives composed of two or more kinds of abrasives of various sizes. <P>COPYRIGHT: (C)2004,JPO</p> |
