Contactless testing of electronic circuits
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United States of America Patent
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Oct 5, 2021
Grant Date -
Nov 5, 2020
app pub date -
Aug 28, 2019
filing date -
Apr 30, 2019
priority date (Note) -
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Abstract
A sensor device is provided for testing electrical connections in a DUT using contactless fault detection. The sensor device includes main traces for conducting an RF signal supplied by a signal source; at least one inductor connected to at least one of the main traces; and a slit formed between opposing conductor portions at a tip of the sensor device for sensing open circuits and/or short circuits in portions of the DUT located in a sensing region below the slit, the tip being at an end of the sensor device opposite ends of the main traces connected to the signal source. An electric field, generated by the sensor device in response to the RF signal, substantially concentrates in the slit, enhancing the sensing of the open and/or the short circuits during the contactless fault detection.
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