| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixing structure and a fixing method for a ball grid array case preventing a short circuit between neighboring bumps, and surely connecting a BGA case to a PWB. SOLUTION: In a fixing structure for a ball grid array(BGA) case soldered to a PWB(printed wiring board) 4 through a bump 3, a fixing pin 1 is projected from the ball grid array case 2, a pin hole 6 is provided through the PWB 4, the fixing pin 1 is inserted into the pin hole 6, and the ball grid array case 2 and the PWB 4 are fixed each other.
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