| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To attempt to make thinner a printed-wiring board as well as simplifying its manufacturing method, the printed-wiring board that has electronic elements built in and has a shield structure for shielding radiation noises arising from the electronic elements and the board's wiring pattern. <P>SOLUTION: Two boards 1a and 1b with electronic elements 3a and 3b mounted thereon are faced with their surfaces opposed where the electronic elements 3a and 3b are mounted, insulating adhesive sheets 5a and 5b having a copper foil or an electromagnetic shield sheet 6 in between are inserted and heat-crimped between the upper and lower boards 1a and 1b, and the copper foil or the electromagnetic shield sheet 6 is laid along the irregularities of the electronic elements 3a and 3b mounted on the boards 1a, 1b. Then, a through-hole 7 is formed at a part in which a ground pattern 4 of the upper and lower boards 1a and 1b is formed, to connect the copper foil or the electromagnetic shield sheet 6 and the ground pattern 4 of the boards 1a and 1b. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
