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This paper presents the development of a ring shaped force sensor for sensorized guidewire applications. The sensor comprises a suspended ring structure located at the center of four suspended beams that can be integrated on the distal tip of a guidewire. SiNWs with a length of 6 μm and a cross section of 90 nm × 90 nm are embedded at the anchor of each silicon bridge as the piezoresistive sensing...
Silicon nanodevice biosensors have been attracted a lot of attention due to its advantages of label-free, real-time and very high sensitive detection. This study employs self-assembly monolayer (SAM) of methoxy-poly(ethyleneglycol) silane (MPEG-sil) as passivation on Si nanodevices. Ablation of SAM by Joule heating (JH) was performed at n− region of a nanobelt device, where the linker molecules, biotin...
Chemically functionalized silicon microresonators provide the potential for sensitive, label-free biomolecular detection by coupling small induced perturbations in stiffness, mass, and dissipation due to surface bound analyte to their measured frequency response. However, several implementation challenges arise from the necessity of operation in compatible biological buffer solutions. These challenges...
A novel fabrication method of tilted microlens array for light control films is developed to increase the efficiency of a liquid crystal display that can collect lateral light sources and improve the dazzling problem within the angle of view. Initially, the pattern allows UV exposure by placing a photoresist-coated substrate on an inclined fixture. An inclined photoresist column array is made with...
This paper is a study of the electromigration (EM) effects of micro bumps at silicon-silicon interface in 3DIC package for 28nm technology and beyond. Two joint schemes were designed and fabricated: one of the schemes was the joining of Sn-capped Cu post to ENEPIG (Electroless-Nickel-Electroless-Palladium-Immersion-Gold) UBM (Under-Bump-Metallurgy) pad on silicon substrate; the other scheme was the...
Silicon microresonators are increasingly viewed as attractive candidates for a variety of frequency selective signal processing applications due to miniaturization and potential for integration with CMOS. In this work, we present a new electrostatically transduced face-shear (FS) mode square plate single crystal silicon resonator that rivals previously reported bulk mode resonator topologies and demonstrates...
In the traditional visual cryptography scheme, a secret pixel will be encoded into a block, causing the size of recovered image is larger than the original one. Thus, later studies attempt to improve these shortcomings, distortion of the recover image and a higher transmission cost. This paper proposes a visual secret sharing (VSS) scheme without expansion, and gets a better recovered result than...
A simple and effective method to fabricate a high fill-factor triangular microlens array using the proximity printing in lithography process is reported. The technology utilizes the UV proximity printing by controlling a printing gap between the mask and substrate. The designed approximate triangle microlens array pattern can be fabricated the high fill-factor triangular microlens array in photoresist...
A low-power single-chip Bluetooth EDR device is realized using a configurable transformer-based RF front-end, a low-IF receiver and direct-conversion transmitter architecture. It is implemented in a 0.13mum CMOS process and occupies 11.8mm2. Sensitivity for 1, 2 and 3Mb/s rates is -88, -90, and -84dBm and transmitter differential EVM is 5.5% rms.
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