Automatic test equipment and bench test correlation

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2013-08

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The purpose of this research is to create an automated method to collect bench data for Automatic Test Equipment (ATE) tested parameters in order to identify correlation osets if any on critical device parameters and to identify root causes of these correlation osets. The devices under test are all single cell battery chargers that have stringent spec requirements over operating temperature range. In production test these parameters are tested for on the ATE and parts not meeting spec are screened out. Hidden correlation osets between ATE results and bench test results could mean that parts that actually lie outside specications could be shipped to end customers.

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