| 摘要 |
A process is provided for providing a metal element and removing portions of the metal at a series of location at a section of the metal element. By removing portions of the metal element a plurality of webs are provided separating the holes where the material has been removed. The webs are subsequently pressed to allow the webs to expand into the region of the holes and to form a depressed region based on the depressed surfaces of each of the webs relative to the surrounding web seat. The resulting product provides a metal piece such as a sheet metal element wherein a groove or depression is formed on one side without any extension or protrusion on the other side. A system is also provided using the metal element in combination with a gasket element and another component. This system provides an effective EMI barrier.
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