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A 320×240 back-illuminated Time-of-Flight CMOS image sensor with 10μm CAPD pixels has been developed. The back-illuminated (BI) pixel structure maximizes the fill factor, allows for flexible transistor position and makes the light path independent of the metal layer. In addition, the CAPD pixel, which is optimized for high speed modulation, results in 80% modulation contrast at 100MHz modulation frequency.
High-speed vision systems that combine high-frame-rate imaging and highly parallel signal processing enable instantaneous visual feedback to rapidly control machines over human-visual-recognition speeds. Such systems also enable a reduction in circuit scale by using a fast and simple algorithm optimized for high-frame-rate processing [1]. Previous studies on vision systems and chips [1–4] have yielded...
WO3 ceramics were sintered at various temperatures with a B2O3 additive, and WO3 sintering was observed at temperatures above the heat-treatment temperature of 900°C. For the WO3 ceramic with B2O3 (heat-treated for 20h), a dense microstructure with crystal facets was formed, while the numbers of pores decreased. The dielectric constant of the sintered WO3 ceramic with B2O3 additive was twice as large...
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