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A method of assembling a multi-walled carbon-nanotube field effect transistor (CNT-FET) was presented in this paper. A nanorobotic manipulation system with 11 positioning degrees of freedom (DOFs) was used for the real time nanomanipulation. The nanorobotic manipulation system was constructed inside the scanning electron microscopy (SEM) specimen chamber to pick up a single MWCNT from MWCNT bulk without...
This paper presents a flexible capacitive sensor array which can be attached on robot arm for tactile force measurement. We designed and fabricated three types of sensor array in different dimensions. The sensor array with 4×4 tactile units is made of copper and PDMS based on PET substrate. The static characteristics are performed and it is found that the sensor array with 3×3 mm2 unit size is the...
This paper presents the fabrication and test of a low-frequency ZnO-Nanowires (NWs) based energy harvesting device. The vertically aligned ZnO NWs are grown by hydrothermal method of low temperature and low cost. A flexible PDMS cantilever of low resonance is employed to be the mechanical vibration carrier of a top electrode. The periodic impact between the top electrode and a bottom ZnO NWs substrate...
A gyroscope based on Coriolis effect and fabricated by Carbon Nanotube (CNT) will be presented. A CNT is vibration at x direction, when there a rotation around z direction, acceleration happens to the y direction. The natural frequency of MWCNT is depending on the inner diameter, outer diameter and length. The CNT was driven by the electrostatic force to its nature frequency. A CNT with a length of...
This paper presents a comb-finger capacitive displacement sensor used in nano-positioning system. The displacement sensor is designed to develop an integrated implementation platform and to achieve its closed-loop control. In the design, offset constant-tooth, combinations with S-type beams and flexible cantilevers have been adopted to enhance the position range and structure performance. Surface...
In this work, the effects of electrodes on the performance of sol-gel fabricated ZnO thin film transistor were investigated. The metal with high work function such as Pt was employed as the source-drain electrodes. Compared to the device with Al electrodes as reported before, the transistor fabricated with Pt electrode exhibited lower saturation voltage and current, which was due to the Schottky contact...
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