Samsung Electronics Co., Ltd.

Han-na Park

Young-hun Seo

Won-kyung Chung

Example embodiments relate to a semiconductor memory device including a first pad having a probe region and a sensing region, the first pad may be adapted to come in contact with a primary probe, a sensing unit adapted to sense a weak contact of the first pad and the primary probe, the sensing unit may generate an output current in response to a contact point of the primary probe, and a second pad may be adapted to come in contact with a secondary probe to input/output an electric signal. The output current of the sensing unit may be output through the second pad or the secondary probe.

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Suwon-si, South Korea

Han-na Park