| 摘要 |
The objective of the present invention is to provide: an opening part in which a solder ball can be inserted and penetrate, corresponding to the arrangement pattern of an electrode on a work; and a mask for arrangement. The opening part (12) corresponding to a preset arrangement pattern is formed. The opening part (12) has a polygonal shape and is a mask for arrangement where the solder ball (2) is mounted in the preset position of the work (3) by inserting the solder ball (2) into the opening part (12). |
