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This study presents a three by three flexible tactile sensor array using stretchable silicon spring with doping silicon. Each tactile sensor device is located at the silicon-unit of a distributed 2D chip-network, which are mechanically and electrically connected to surrounding devices by stretchable silicon spring. The doping silicon acts as a piezo-resistive sensing element embedded into the membrane...
A beam shaping technique using deformable grating grid is presented in this work. Based on diffraction theory, the 3×3 diamond-shape metallic girds fabricated with ductile material can re-distribute electric field, serving as the secondary radiation source. Experimental result shows that the 3-dB beamwidth of radiation pattern can be changed from 64 ° to 51° along with the grid extension.
This study presents an expansion apparatus for batch transfer of chips using silicon strips connected by stretchable springs, as shown in Fig. 1. The array of device chips is placed in the pockets of strips, which are mechanically connected by stretchable springs. The pitches of chips are changed as the strips are expanded on 1-D direction. Merits of this approach include: (1) narrow silicon springs...
This study presents a large-area chip-network using polymer stretchable spring with embedded carbon nanotubes (CNTs). The CNTs as piezo-resistive sensing element and metal routing was located on the node and spring to achieve functional device. The mechanical and electrical connections of surrounding devices were linked by CNTs-polymer stretchable spring. The polymer spring stretches and expands the...
This study presents a PDMS (Polydimethylsiloxane) fiber integrated with multi devices scheme using stretchable electroplating copper spring. Each device was located on the node and embedded in PDMS-fiber. Thus, devices are mechanically connected by PDMS-fiber and electrically connected by inner stretchable spring. Thus, large-area and flexible applications can be achieved. Advantages of this approach:...
A novel integrate micro magnetic pillar array with anisotropic magneto-resistive (AMR) structure for out-of-plane magnetic field detection has been proposed and demonstrated. The merits of this study are: (1) The magnetic pillar converts magnetic field from out-of-plane to in-plane and provide magnetic gain (G) where G≈1/N (N:demagnetization factor) [1]; (2) The micro magnetic pillar array can be...
This study presents a large-area multi-devices integration scheme using stretchable electroplated copper spring. Each device is located on the silicon-node of a 2D chip-network distributed, which are mechanically and electrically connected to surrounding devices by stretchable copper spring. The springs stretch and expand the functional devices by several orders of magnitude area forming a variable-density...
This study presents a Lorentz force torsional actuator design consisting of a Si-Ni compound frame. The proposed actuator design employs Si mold to simultaneously electroplate/pattern Ni, and the Ni and Si structures respectively provide electric routing and superior mechanical properties. As compare with the traditional design (Al wire routing on Si substrate), the thick Si-Ni compound structure...
This study demonstrates the 2-axis epitaxial silicon scanner driven by the coil-less magnetostatic force using electroplated permanent magnet (CoNiMnP) film. The present approach has four merits: (1) the process employs the cheap silicon wafer with epitaxial layer; and the electrochemical etching stop technique is used to precisely control the thickness of scanner; (2) the I-section rib-reinforced...
Interactive 3D content on Internet has yet become popular due to its typically large volume and the limited network bandwidth. Progressive content transmission, or 3D streaming, thus is necessary to enable real-time content interactions. However, the heavy data and processing requirements of 3D streaming challenge the scalability of client-server delivery methods. We propose the use of peer-to-peer...
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