Space transformer with perforated metallic plate for electrical die test
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United States of America Patent
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Apr 10, 2018
Issued Date -
N/A
app pub date -
Dec 17, 2015
filing date -
Dec 17, 2015
priority date (Note) -
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Abstract
Space transformer including a substrate and a perforated plate disposed on the substrate. The substrate includes conductive traces and an array of conductive probe pins extend outwardly from anchor points on the substrate. The pins are electrically coupled to at least one of the conductive traces on the substrate as an interface between an E-testing apparatus and a DUT. The perforated plate may be affixed to a surface of the substrate and includes an array of perforations through which the conductive pins may pass. The perforated plate may provide one or more of lateral pin support and protection to the underlying substrate and/or traces. The perforated plate may include a metal sheet. A polymeric material may be disposed on at least a sidewall of the perforations to electrically isolate the metal sheet from the conductive probe pins.
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