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We demonstrate the first ever 0.9μm pitch pixel CMOS image sensor (CIS), and reveal the problems that are likely to be encountered in future device structures. We have developed a set of guidelines for the design of high quantum efficiency(QE) CISs, and verified their validity by comparing the image quality of 0.9, 1.12, 1.4 and 1.75μm CISs. Furthermore, we propose a simple methodology to optimize...
High-resolution piezo inkjet (PIJ) printhead with 1200 nozzles per inch (npi) has been developed. A glass substrate with through holes is bonded to Si substrate with piezo actuators (PAs) placed in matrix array (32times16) via polyimide film planarized by grinding method. A thin PA composed of sputter-deposited Pb(Zr,Ti)O3 (PZT) film and Si diaphragm contributes to a shrink of PA size and then high...
A tracked mobile robot has high mobility and stability to get over rough terrain by changing its form according to environments. However, it is hard for an operator to control the mechanism skillfully by remote control. One of the solutions of the problem is an implementation of an autonomous control system. A detection of distributed contact points between the crawlers and an environment enable the...
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