TEST PROBE CARD
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Oct 17, 2014
filing date -
Oct 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A test probe card adapted for testing a plurality of chips of a wafer is provided. The test probe card includes a substrate, a plurality of light-guiding elements, a plurality of lens units and a plurality of probes. The substrate has a plurality of through holes. Each of the through holes has a light entrance opening and a light exit opening. The light-guiding elements are disposed at the through holes, respectively. The lens units are disposed at the light exit openings, respectively. One end of each of the probes is electrically connected to the substrate and another end of each of the probes is adapted for electrically contacting one of the image sensing chips. Light emitted from a light source passes through one of the light-guiding elements and the lens element corresponding thereto in order and then is projected to one of the image sensing chips.
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