| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a motor controller which improves a heat radiation effect and which can further improve the driving efficiency of a power transistor. <P>SOLUTION: The motor controller comprises: an electronic component 14; a circuit board 12 mounted with the component 14; and a heat radiation member 16 brought into direct or indirect contact with the component 14 and having a base 16B spreading along the surface of the board 12 and brought into contact with the board 12. <P>COPYRIGHT: (C)2004,JPO |
