Patent ID: 6437986
Filing Date: 2002-08-20
Classification: H01H,H01L,H01R,H05K,Y10S

Abstract:
A fuse relay junction block for use in automobiles comprising:a box cover having a plurality of connection ports and a plurality of filling ports for fuses; a box body engaged with the box cover; a multilayer wiring board which is housed between the box cover and the box body and comprises wiring members, said wiring members including terminals that are accessible through said connection ports such that wirings of electric wiring systems which are disposed on the exterior of said box cover are insertable through said connection ports for engagement with said terminals, said wiring members having a plate-like shape, a plurality of said wiring members being disposed in two or more wiring layers and being coupled to each other by primary molded portions which are molded to said wiring members, at least a portion of said plurality of said wiring members having extraction ports which are filled by said primary molded portions to strengthen the coupling between said wiring members and said primary molded portions, said primary molded portions being of an insulative material, and said wiring members and said primary molded portions being mutually fixed together to define an open network structure which has openings between said wiring members as to be see-through vertically; said wiring board further comprising a secondary molded portion which is formed of an insulative secondary molded material and covers said open network structure by molding in a plate-like shape to define a final shape for said multilayer wiring board; and at least a portion of said plurality of said wiring members having bent portions which allow one said wiring member to be separated and insulated from another said wiring member or for differentiating one said wiring member in one said wiring level from another said wiring member in another said wiring level.