| 摘要 |
PROBLEM TO BE SOLVED: To improve a workability of duct formation.SOLUTION: A housing 2 having a front wall 6 and a rear wall 8 is separated into a heat sink chamber 18 and a component attachment chamber 20 by a heat sink attachment wall 16. Many electric components are disposed to the component attachment chamber 20, and thereby constructing a plurality of electric circuits. In the component attachment chamber 20 side of the heat sink attachment wall 16, a duck 30 is integrally arranged along with a direction to connect between the front wall 6 and the rear wall 8, and transmission lines 40, 42, 48, and 50 are arranged in the duct 30.SELECTED DRAWING: Figure 1 |
