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    • 80. 发明申请
    • Electromagnetic shielding box and method of manufacturing the same
    • 电磁屏蔽箱及其制造方法
    • US20020180108A1
    • 2002-12-05
    • US10135870
    • 2002-04-30
    • Kiyofumi Koshiba
    • B29C039/22B29B007/00
    • H05K9/0047B29C37/0085B29C45/14778B29C45/14819B29C2045/14303B29C2791/001B29K2995/0007B29K2995/0011
    • There are provided a method of manufacturing an electromagnetic shielding box having sufficient yield strength or proof stress such that electronic devices accommodated therein are not affected by an external electromagnetic wave and an electromagnetic wave produced in the electromagnetic shielding box does not escape outside thereof. The method of manufacturing an electromagnetic shielding box comprises the steps of using a wire net having meshes or metal plate having through holes serving as an electromagnetic shielding member to be inserted into a wall body comprising first half body and a second half body of a wall body of a box, pressing the wire net or the metal plate against a first mold serving as first half wall body to define a first cavity between the wire net or the metal plate and the second mold serving as the second half body, then filling fused polymer in the first cavity, thereby molding the first half wall body by injection molding to which the wire net or the metal plate is fixed, and moving the first mold away from the wire net or the metal plate to define a second cavity between the wire net or the metal plate and the second mold serving as the second half body, then filling fused polymer in the second cavity, thereby molding the second half wall body by injection molding, and sandwiching the wire net or the metal plate by first and second half wall bodies, and coupling them via the meshes of the wire net or the through holes of the metal plate.
    • 提供一种制造具有足够的屈服强度或者应力的电磁屏蔽盒的方法,使得容纳在其中的电子装置不受外部电磁波的影响,并且在电磁屏蔽盒中产生的电磁波不会从外部逃逸。 制造电磁屏蔽盒的方法包括以下步骤:使用具有网孔的金属网或具有用作电磁屏蔽构件的通孔的金属板插入包括第一半体和壁体的第二半体的壁体中 将金属丝网或金属板压靠在第一半模体上的第一模具上,以在金属丝网或金属板之间限定第一空腔和用作第二半体的第二模具,然后填充熔融聚合物 在第一空腔中,由此通过注塑成型第一半壁体,金属网或金属板被固定到该第一半壁体上,并且使第一模具远离金属网或金属板移动,以在金属丝网之间限定第二空腔 或用作第二半体的金属板和第二模具,然后将熔融聚合物填充在第二空腔中,从而通过注塑成型第二半壁体,并将wi 通过第一和第二半壁体将金属板或金属板连接,并通过金属丝网的金属网或金属板的通孔将它们联接。