| 摘要 |
PROBLEM TO BE SOLVED: To adhere no projected part of heat transmission paste on an IC lead part even when the supply amount of the heat transmission paste is slightly uneven. SOLUTION: The four side outer edge of the terrace planar part 1a of a radiator 1 is circular or cut into an oblique straight line. Furthermore, a groove may be provided on the diagonal line of the surface of the terrace planar part 1a. |
