K. Lee, Y. Ohara, K. Kiyoyama, S. Konno, Y. Sato, S. Watanabe, A. Yabata, T. Kamada, J. Bea, H. Hashimoto, M. Murugesan, T. Fukushima, T. Tanaka, M. Koyanagi
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引用次数: 14
Abstract
We demonstrate the chip-based 3D heterogeneous integration technology for realizing highly parallel 3D-stacked image sensor. Three kinds of chips, CMOS image sensor chip, analog circuit chip, and ADC array chip, which were fabricated by different technologies, are processed and stacked vertically to form a prototype 3D-stacked image sensor. Through-Si vias (TSVs) and metal micro-bumps are formed in chip-level before stacking. The fundamental characteristics are evaluated in the fabricated prototype 3D-stacked image sensor.
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