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    • 2. 发明授权
    • Electronic assembly with flexible film cover for providing electrical
and environmental protection
    • 具有柔性膜盖的电子装配,用于提供电气和环境保护
    • US5318855A
    • 1994-06-07
    • US934604
    • 1992-08-25
    • Andrew Z. GlovatskyMichael A. MelePatrick M. Scott
    • Andrew Z. GlovatskyMichael A. MelePatrick M. Scott
    • B32B15/08H01L23/04B32B9/00
    • B32B15/08H01L23/04H01L2924/0002Y10S428/901Y10T29/49146Y10T428/24826Y10T428/24917Y10T428/31678Y10T428/31681Y10T428/31692Y10T428/31699
    • A flexible metallized polymer film cover provides environmental protection of electronic assemblies such as circuit card assemblies which are susceptible to external environmental factors which can impede functional performance and reduce reliability. The fully integrated cover provides this protection and also allows for circuit repair and rework in such a manner as to make cover removal and reseal economically attractive. The use of a metallized polymer film in the form of a two layer film, with two intimately bonded layers one being electrically insulative and the other metallic, provides environmental and electrical protection of the enclosed assembly. The variables of film materials and thicknesses allow for specific cover designs to be fabricated to meet various requirements for assembly protection. The flexible film nature of the cover allows for strict conformance to underlying devices and less dimension and weight for the assembly. The cover can also be easily and quickly removed from the assembly to allow repair of underlying devices. The cost of these films also makes replacement of the film cover attractive.
    • 柔性金属化聚合物膜盖为诸如可能妨碍功能性能并降低可靠性的外部环境因素的电路组件提供环境保护。 完全集成的盖子提供了这种保护,并且还允许电路修复和返工,以使得覆盖物移除和再密封具有经济吸引力。 使用两层膜形式的金属化聚合物膜,其中两个紧密接合的层,一个是电绝缘的,另一个是金属的,为封闭的组件提供环境和电气保护。 薄膜材料和厚度的变量允许制造特定的盖子设计以满足组装保护的各种要求。 盖的柔性膜性质允许严格符合下面的装置,并且具有较小的尺寸和重量。 盖子也可以容易地并且快速地从组件中移出,以便修理底层的装置。 这些电影的成本也使得更换电影片有吸引力。