| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a structure of connection part for circuit board and connector which has waterproofness, strength, dustproofness, and fire retardancy without distortions or deterioration of components due to heating of molding. <P>SOLUTION: An inner mold 11 which is a reactant hot melt of urethane system, capable of low-temperature molding and having a high mechanical strength is molded on the connection part of a circuit board and an electronic component and an over-mold 12 which is a fire-retardant polyamide, based hot melt is molded so as to cover the inner molding 11. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
