TW – Page 27 – TechConnect Briefs

Extraordinary Transmission through Al/Si Structure Perforated with Random Distribution of Holes

Chang Y-T., Tung I-C, Chen C-Y, Chen C.C., Tsai M-W, Chan C-H, Chang Y-T., Chen C-Y, Chen C.C., Lee S-C, National Taiwan University, TW

Extraordinary transmission through Al/Si structure perforated with random distribution of holes. The (1, 0) Al/Si surface plasmon mode due to hole array with 1st nearest neighbor distance. The transmission peak intensity is found to depend [...]

Area Effect of Patterned CNTs Bundle on Field Emission Characteristics

Weng T.W., Lee K.Y., National Taiwan University of Science and Technology, TW

We show the relationship between the property of field electron emission, the area of patterned CNTs bundle, and the density of CNTs bundle. The current density can reach as high as 20 mA/cm2 at about [...]

Metal-Semiconductor-Metal Ultraviolet Detectors Utilizing Ge Nanocrystals Active Medium on Si Substrate

Lo S.Y., Wu P.J., Yeh R.H, Hong J.W., National Central University, TW

Since the observation of photoluminescence from porous Si, nanocrystalline Si and Ge have extensively been studied because it would open a possibility for indirect-gap semiconductors for optoelectronic applications. Nayfeh et al. reported ultraviolet (UV) detectors [...]

Carbon Nanotube Cathode on Metal Surface Formed with BGA Balls

Chung M., Chang C-C, Chang Y.Y., Huang B.R., Fu C.S., Chang C-C, Chang Y.Y., Lai S.W., Chiou J.M., Southern Taiwan University of Technology, TW

Carbon nanotube is the primary field emission source in many applications, but there has been limited report on direct growth of CNT on metal surface with CVD method due to technical difficulties. This research propose [...]

Optimization of Piezoelectric Transformers Using Elite Genetic Algorithm

Kang C-Y., Lee C-K, Yang Y-J, National Taiwan University, TW

In this work, we present the optimization work for piezoelectric transformers (PT) by using the elite Genetic Algorithm (GA). The Finite-element solver, NTUPZE, is used to calculate the behaviors of piezoelectric transformers. The design parameters [...]

Sensitivity of Initially Stressed Un-symmetric Micro-Layered Plate in Large Deflection due to Lateral Load

Chen C-F, Chung-Hua University, TW

Initial tension often arises in a typical micro-fabrication process. It has been well recognized that the magnitude of initial tension could be high enough to cause a serious degradation in structural performance such as the [...]

Bridge Local Scour Monitoring System Using MEMS Sensor Zigbee Network

Lin Y-B, Lee C-C, Chen J-C, Chang K-C, Lai J-S, National Center for Research on Earthquake Engineering, TW

Bridges subject to periods of flood/high flow require monitoring during those times in order to protect the traveling public. These wireless MEMS scour-monitoring system can measure both the processes of scouring/deposition and the variations of [...]

A Capillary Electrophoresis Chip for Rhodamine B and Inorganic Ion detection Utilizing Contactless Capacitance Detection

Liu W.L., Chen W.J., Hsieh S.H., Tsai T.K., National Pingtung University of Science and Technology, TW

A microfluidic channel and a contactless capacitance detector wereintegrated on a glass chip by a semiconductor manufacturing process forseparating and analyzing Rhodamine B and inorganic ion. The electrodes of thecapacitance detector were formed successively by [...]

The Bonding Technology for Microchannels with Electrode Patterns on the Glass Substrates

Parng S.H., Yang H.J., Shia T.K., Microsystem Technology Common Laboratory, TW

Objectives: Bonding surface preparation, process conditions, and integrated on-chip metal sheet resistance variation during bonding process were investigated in this work. Methods: We flatten the surface of the etched micro-channels with a fresh solution of [...]

High-density Optical Disk Mastering Using Electron Beam Lithography with Modified LIGA Demolding Mechanism

Chao C.H., Pan C.T., National Sun Yat-Sen University, TW

In the study, a spiral nano-groove with 110nm in linewidth and 80nm in depth has been successfully fabricated. This method, Optical disk mastering using electron beam lithography, could provide about 50Gbytes storage capacity and is [...]