Miniaturizing Ultrasonic System for Portable Health Care and Fitness. - Hao-Yen Tang; Dongjin Seo; Utkarsh Singhal; Xi Li 005; Michel M. Maharbiz; Elad Alon; Bernhard E. Boser (IEEE Trans. Biomed. Circuits Syst., 2015)

11.2 3D ultrasonic fingerprint sensor-on-a-chip. - Hao-Yen Tang; Yipeng Lu; Fari Assaderagh; Mike Daneman; Xiaoyue Jiang; Martin Lim; Xi Li 005; Eldwin Jiaqiang Ng; Utkarsh Singhal; Julius M. Tsai; David A. Horsley; Bernhard E. Boser (ISSCC, 2016)