| 摘要 |
An apparatus is adapted to be secured in a substrate having at least one conductive path and at least one aperture therein. The apparatus includes a cap and a tubular shaft, connected to the cap and positioned in a first aperture of the substrate. The tubular shaft has an electrically conductive wall portion and perforations therethrough, with the electrically conductive wall portion being operatively connected to a first conductive path of the substrate, and the perforations are adapted to permit flowthrough of material. The material facilitates the securing of at least the tubular shaft to the substrate.
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