| 摘要 |
<p>A first frame (1) is arranged on a printed circuit board (10) mounted with a first circuit (5) radiating a noise and a second circuit (6) having a need to protect it from the noise to enclose the first circuit (5). A second frame (3) is prepared in a state of removed one of several sides forming the second frame (3), which is faces the side of the first frame (1). The second frame (3) is arranged on the printed circuit board (10) to enclose the second circuit (6) with a given clearance area (L2) with respect to one side of the first frame (1).</p> |
