Test apparatus, test method, and device interface for testing a device under test using optical signaling
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United States of America Patent
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Nov 11, 2014
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N/A
app pub date -
Mar 4, 2011
filing date -
May 17, 2010
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Abstract
Provided is a test apparatus that tests a device under test including an optical coupler transmitting optical signals in a direction perpendicular to a device surface. The test apparatus includes a substrate on which the device under test is to be loaded, an optical transmission path that transmits the optical signals, and a lens section facing the optical coupler on the substrate that focuses the optical signals from an end of either the optical coupler or the optical transmission path to an end of the other.
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