Dr. Guoyi Li Profile

Dr. Guoyi Li

at Seagate Technology LLC

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Publications (2)

Proceedings Article | 18 March 2019 Presentation + Paper

Guided wave based inspection of integrated circuit packages using the time-frequency synchrosqueezing transform

Javaid Ikram, Antonia Papandreou-Suppappola, Guoyi Li, Aditi Chattopadhyay

Proceedings Volume 10973, 109730A (2019) https://doi.org/10.1117/12.2504207

KEYWORDS: Waveguides, Inspection, Time-frequency analysis, Sensors, Integrated circuits, Ultrasonics, Wave propagation, Composites, Nonlinear optics, Actuators

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Proceedings Article | 18 March 2019 Presentation + Paper

Detection of sealant delamination in integrated circuit package using a multivariate Gaussian model

Guoyi Li, Javaid Ikram, Aditi Chattopadhyay, Rajesh Kumar Neerukatti, Kuang Liu

Proceedings Volume 10973, 109730H (2019) https://doi.org/10.1117/12.2513790

KEYWORDS: Ultrasonics, Integrated circuits, Inspection, Sensors, Composites, Transducers, Signal processing

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