27.5 A pixel-pitch-matched ultrasound receiver for 3D photoacoustic imaging with integrated delta-sigma beamformer in 28nm UTBB FDSOI

@article{Chen2017275AP,
  title={27.5 A pixel-pitch-matched ultrasound receiver for 3D photoacoustic imaging with integrated delta-sigma beamformer in 28nm UTBB FDSOI},
  author={Man-Chia Chen and Aldo Pena Perez and Sri-Rajasekhar Kothapalli and Philippe Cathelin and Andreia Cathelin and Sanjiv Sam Gambhir and Boris Murmann},
  journal={2017 IEEE International Solid-State Circuits Conference (ISSCC)},
  year={2017},
  pages={456-457}
}
A variety of emerging applications in medical ultrasound rely on 3D volumetric imaging, calling for dense 2D transducer arrays with thousands of elements. Due to this high channel count, the traditional per-element cable interface used for 1D arrays is no longer viable. To address this issue, recent work has proven the viability of flip-chip bonding [1] or direct transducer integration [2]. This shifts the burden to a CMOS substrate, which must provide dense signal conditioning and processing… CONTINUE READING

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