| 摘要 |
PROBLEM TO BE SOLVED: To provide a mask for arrangement comprising an opening where a solder ball corresponding to an arrangement pattern of an electrode on a work-piece can be inserted.SOLUTION: A mask for arrangement comprises an opening 12 corresponding to a prescribed arrangement pattern, and mounts a solder ball 2 at a prescribed position on a work-piece 3 by throwing the solder ball 2 into the opening 12. The opening 12 is polygonal.SELECTED DRAWING: Figure 8 |
