3D Integration of CMOS image sensor with coprocessor using TSV last and micro-bumps technologies

Coudrain, P.; Henry, David D.; Berthelot, A.; Charbonnier, Jean; Verrun, S.; Franiatte, R.; Bouzaida, N.; Cibrario, G.; Calmon, Françis; O’Connor, Ian; Lacrevaz, T.; Fourneaud, L.; Flechet, B.; Chevrier, N.; Farcy, A.; Le-Briz, O.

doi:10.1109/ectc.2013.6575646

Cited by 15 publications

(4 citation statements)

References 13 publications

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“…3D integration allows the integration of routing metal layers and transistor-based circuits required for implementing spatio-temporal computations directly above (or under) the pixel array, similar to the biological retinal circuit. Such 3D integrated IRIS sensors can use various 3D packaging technologies like metal-to-metal fusion bonding (Raymundo et al, 2013), TSVs (Coudrain et al, 2013), etc. Further, heterogeneous sensors operating at different wavelengths can be cointegrated to extract retina-like feature vectors over the different light spectrums.…”

Section: Results: Ld Feature-extraction Circuit Simulations and Varia...mentioning

confidence: 99%

IRIS: Integrated Retinal Functionality in Image Sensors

Yin,

Kaiser,

Camara

et al. 2023

Front. Neurosci.

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Neuromorphic image sensors draw inspiration from the biological retina to implement visual computations in electronic hardware. Gain control in phototransduction and temporal differentiation at the first retinal synapse inspired the first generation of neuromorphic sensors, but processing in downstream retinal circuits, much of which has been discovered in the past decade, has not been implemented in image sensor technology. We present a technology-circuit co-design solution that implements two motion computations—object motion sensitivity and looming detection—at the retina's output that could have wide applications for vision-based decision-making in dynamic environments. Our simulations on Globalfoundries 22 nm technology node show that the proposed retina-inspired circuits can be fabricated on image sensing platforms in existing semiconductor foundries by taking advantage of the recent advances in semiconductor chip stacking technology. Integrated Retinal Functionality in Image Sensors (IRIS) technology could drive advances in machine vision applications that demand energy-efficient and low-bandwidth real-time decision-making.

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Section: Results: Ld Feature-extraction Circuit Simulations and Varia...mentioning

confidence: 99%

IRIS: Integrated Retinal Functionality in Image Sensors

Yin,

Kaiser,

Camara

et al. 2023

Front. Neurosci.

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show abstract

“…3D integration allows integration of routing metal layers and transistor based circuits required for implementing spatio-temporal computations directly above (or under) the pixel array, similar to the biological retinal circuit. Such 3D integrated IRIS sensors can use various 3D packaging technologies like metal-to-metal fusion bonding 42 , TSVs 43 , etc. Further, heterogeneous sensors operating at different wavelengths can be co-integrated to extract retina-like feature vectors over different spectrum of light.…”

Section: Discussion: Future Work and Broader Impactmentioning

confidence: 99%

IRIS: Integrated Retinal Functionality in Image Sensors

Yin

Kaiser

Camara³

et al. 2022

Preprint

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Neuromorphic image sensors draw inspiration from the biological retina to implement visual computations in electronic hardware. Gain control in phototransduction and temporal differentiation at the first retinal synapse inspired the first generation of neuromorphic sensors, but processing in downstream retinal circuits, much of which has been discovered in the past decade, has not been implemented in image sensor technology. We present a technology-circuit co-design solution that implements two motion computations occurring at the output of the retina that could have wide applications for vision based decision making in dynamic environments. Our simulations on Globalfoundries 22nm technology node show that, by taking advantage of the recent advances in semiconductor chip stacking technology, the proposed retina-inspired circuits can be fabricated on image sensing platforms in existing semiconductor foundries. Integrated Retinal Functionality in Image Sensors (IRIS) technology could drive advances in machine vision applications that demand robust, high-speed, energy-efficient and low-bandwidth real-time decision making.

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“…In theory, this can lead to a FF close to 100%. Recently, a prototype of a 3D-stacked CMOS image sensor with a vertically-assembled image signal processor was successfully realized (Coudrain et al 2013).…”

Section: Photon Detection Efficiencymentioning

confidence: 99%

Towards digital photon counting cameras for single-molecule optical nanoscopy

et al. 2014

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Background: Optical nanoscopy based on separation of single molecules by stochastic switching and subsequent localization allows surpassing the diffraction limit of light. The growing pursuit towards live-cell imaging using nanoscopy demands advancements in both science and technology. Results: In this article, we provide an overview of the technological advancements in the development of scientific cameras used for nanoscopy. We discuss the prospects of novel digital photon counting cameras based on a single-photon avalanche diode (SPAD) array camera for optical nanoscopy. Numerical simulations are used to evaluate and compare different scientific cameras for their performance towards single-molecule identification and localization. Conclusion: A SPAD array camera with single-photon sensitivity and zero read-out noise allows for the detection of extremely weak signals at ultra-fast imaging speeds. With temporal resolution in the order of micro-seconds, a SPAD array camera offers great potential for live-cell imaging with super-resolution.

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3D Integration of CMOS image sensor with coprocessor using TSV last and micro-bumps technologies

Cited by 15 publications

References 13 publications

IRIS: Integrated Retinal Functionality in Image Sensors

IRIS: Integrated Retinal Functionality in Image Sensors

IRIS: Integrated Retinal Functionality in Image Sensors

Towards digital photon counting cameras for single-molecule optical nanoscopy

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