| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent intrusion of water from the gap between a housing and a cover. <P>SOLUTION: A case 15 for containing a circuit body 10 comprises a frame 16 extending along the circumferential edge of a circuit board 11, and a cover 19 attached to the frame 16 to cover the circuit board 11 wherein the frame 16 is provided with housings 22, 23 and 24 facing the outer circumferential side of the frame 16. Since portions (first rib 26A, second rib 26B, first groove 28A, second groove 28B) capable of regulating passage of liquid at the gap between the housings 22, 23, 24 and the cover 19 through fitting of recesses and protrusions are formed on the corresponding faces of the cover 19 and the housings 22, 23 and 24, liquid on the outside of the frame 16 can be prevented from passing through the gap between the housings 22, 23, 24 and the cover 19 and intruding into the frame 16. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
