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    • 1. 发明授权
    • Method and apparatus for preventing warpage of printed circuit boards
    • 防止印刷电路板翘曲的方法和装置
    • US06785150B1
    • 2004-08-31
    • US10282553
    • 2002-10-28
    • Tomany SzilagiDouglas P. Gibbs
    • Tomany SzilagiDouglas P. Gibbs
    • H05K702
    • H05K7/1417
    • A method and apparatus are provided for preventing warpage of printed circuit boards (PCBs) for the purpose of maintaining proper shape and alignment. A PCB is placed on a base of matching shape and slightly larger size. The PCB is secured to the base by a single fastener, preferably through approximately its center. Inwardly curving brackets are mounted along the outer edges of the base in such a way that their central portions rest on top of the PCB. The brackets are constructed of a solid yet flexible non-conducive material and are fastened to the base and, optionally, to each other. The PCB placed in between the base and the brackets is able to expand without warping significantly. This method is especially effective when used to maintain the shape and alignment of the PCB for an antenna.
    • 为了保持适当的形状和对准,提供了一种用于防止印刷电路板(PCB)翘曲的方法和装置。 PCB被放置在匹配形状和略大尺寸的基座上。 PCB通过单个紧固件固定到基座,优选地通过其大致中心。 向内弯曲的托架沿着基座的外边缘安装,使得它们的中心部分位于PCB的顶部。 支架由固体但柔性的非导电材料构成,并且固定到基座和可选地彼此连接。 放置在基座和支架之间的PCB能够显着扩大而不发生翘曲。 当用于维持天线的PCB的形状和对准时,该方法特别有效。