| 摘要 |
PROBLEM TO BE SOLVED: To provide a power module which enables reduction of wiring resistance loss of a conductive layer in which a high speed signal pattern is formed.SOLUTION: A power module (1) includes: a substrate (10) having a first major surface (11) on which a first conductive layer (110) is formed and a second major surface (12) on which a second conductive layer (130) is formed; a power device (20) mounted on the first conductive layer (110) side; and a through electrode (120) connecting the first conductive layer (110) with the second conductive layer (130).SELECTED DRAWING: Figure 1 |
