This paper presents an integrated microtechnology for the fabrication of a 3-D structure nozzle plate 1200-dots-per-inch (dpi) inkjet printhead. The contains fluidic channel, chamber, and 432 conical nozzles whose taper angle is about 9deg-11deg to vertical. When packaged onto printhead, there no need alignment between ink as when conventional production methods are employed. Therefore, misalignment chamber avoided, thereby reducing cost by up 50%, well greatly improving print quality....

This paper presents a new calibration method to overcome the challenges of MEMS inertial sensors for underwater navigation. The sensor module is composed an accelerometer, gyroscope and circuit signal process. For navigation estimation, it easy be influenced by errors which come from sensors. In general, sources error can categorized into two groups, deterministic type stochastic type. former primarily includes bias errors, misalignment nonlinearity; latter contains temperature effect...

Fourier series and an energy mapping method were used in this study to design a lens that produces light pattern of multiple concentric circles (LPMCC) for light-emitting diode (LED) fishing lamp. represent the intensity distribution curve (LIDC) LPMCC pattern. Energy involves performing angular based on LIDCs LED source freeform lens. Type I II lenses designed according phototaxis behavior fish create interleaving light-dark zones attracts shoals stay area long period. The experimental...

A novel multidegree-of-freedom (MDOF) eyeball-like microactuator was developed using a symmetric piezoelectric plate and an Ni-Co alloy micropusher element. LIGA-like technique employed to manufacture with Vickers hardness value of 550, which then attached at the midpoint long side dual electrodes construct pusher element (SPPE). The research integrated concept LEGO bricks, three different vibration modes SPPE were designed develop high-power MDOF motion platform, able rotate spherical...

The silver nanowires (AgNWs) and nanoparticles (AgNPs) were synthesized. With near‐field electrospinning (NFES) process, fibers thin films with AgNPs AgNWs fabricated. In the NFES 10 k voltage was applied can be directly orderly collected without breaking bending. Then, characteristics of analyzed by four‐point probe EDS. conductive film analyzed. When thickness 1.6 µ m, sheet resistance 0.032 Ω/sq which superior to that commercial ITO. transmissivity inversely proportional films. future,...

A wet thin-film process was applied for manufacturing transistors (TFTs) to improve the traditional dry deposition which is time consuming and expensive. In this study, processes, such as electroless of silver (Ag) electrophoretic (EPD) Al2O3, were used replace process. Because low resistivity, Ag conductive layer. This study demonstrates how formation Al2O3 ceramic thin film deposited on by using EPD a glass TFT substrate. The electrical mechanical properties examined according sintering...

This paper presents a new calibration method to overcome the challenges of MEMS inertial sensors for underwater navigation. The sensor module is composed an accelerometer, gyroscope and circuit signal process. For navigation estimation, it easy be influenced by errors which come from sensors. In general, sources error can categorized into two groups, deterministic stochastic. former are mainly including bias error, misalignment nonlinearity; latter contain temperature effect drifting....

This paper presents a new calibration method to overcome the challenges of MEMS inertial sensors for underwater navigation. The sensor module is composed an accelerometer, gyroscope and circuit signal process. For navigation estimation, it easy be influenced by errors which come from sensors. In general, sources error can categorized into two groups, deterministic stochastic. former are mainly including bias error, misalignment nonlinearity; latter contain temperature effect drifting....

In this paper, total internal reflection-refraction (TIR-R) concentration (U-TIR-R-C) lens module were designed for uniformity using the energy configuration method to eliminate hot spots on surface of solar cell and increase conversion efficiency. The design most current concentrators emphasizes high-power energy, however neglects inefficiency resulting from generated by uneven distributions concentrated cells. proposed in study employs concept ray tracing uniformly distribute cells through...

Polyvinylidene fluoride (PVDF) piezoelectric nanofibers were fabricated through near-field electrospinning (NFES) to develop a flexible element.Innovative screen printing technology was employed produce bend-type electrodes designed with d 33 mode patterns.The and PVDF then attached polyimide film substrate.Compared ceramics, fibers are inexpensive, flexible, highly biocompatible.They also have higher electron density than films, indicating that they more efficient in electromechanical...

In this paper, a high-precision digital rotary encoder based on dot-matrix gratings (DMGs) is proposed for detecting shaft rotation. The DMG-based composed of laser diode, beam-shaping lens, code disc, and detector. principle, shaped rectangular beam illuminates stripe DMGs the from distribution diffractive spots detector, position rotation then decoded. Compared with conventional geometric encoder, can achieve fourfold resolution improvement.

Recently, high power LED is more and important due to requirement of illumination. To achieve the greater performance electric path heat dissipation ability, metal core PCB (MCPCB) used replace common FR4 PCB. The MCPCB composed copper film, dielectric base. Metal base made or aluminum has thermal conductivity conduct from sink. However, low layer in middle will cause temperature raise. In this study, we use 30% diamond powder as filler combined flat plate pipe (PCB-FPHP) without enhance...

With technology rapidly advance, the energy of demand is also with greatly increased. Therefore, development new or harvesting attracts much attention. Our group has proposed an innovated micro heat pipe harvester based on micro-piezoelectric vibration-induced power device. The deformation piezoelectric material by vapors impacting enables it to convert vapor momentum power. In this paper, purpose enhance output generator optimization A suitable cantilever beam combined designed multiphysics...

The deformation between interface and adhesion mechanism of multi-layer flexible electronics composite were discussed. First, ITO (Indium tin oxide), Al (Aluminum) ZnO (Zinc oxide) directly deposited on a PET (Polyethylene terephthalate) substrate by RF (Radiofrequency) magnetron sputtering in room temperature to form the structures (ZnO/ITO/PET ZnO/Al/PET) for piezoelectric transducers. thin film reveals high (002) c-axis preferred orientation at 2θ=34.45° with an excellent property. To...

This study uses near-field electrospinning (NFES) technology to make a novel self-powered strain sensor and applies it the real-time monitoring of bending structure, so that measurement equipment can be reduced in volume. A consists polyvinylidene difluoride (PVDF) fibers, PDMS fixed substrate, an aluminum electrode. PVDF fibers are spun with DMSO acetone using NFES technology, diameter about 8 μm, Young's modulus 1.1 GPa, piezoelectric effect up 230 mV. The substrate is film made by thermal...

In this paper, we propose a high speed built-in self-test (BIST) design which can support the at-speed testing for DDR or DDR2 SDRAM. We use pipeline strategy together with several special techniques to achieve requirement. A scheme is developed efficiently solve problem of different execution cycles SDRAM's commands and generate compact test sequence desired March algorithm(s). Our BIST single multiple algorithms. With algorithm extremely around 833 MHz achieved using TSMC 0.18/spl mu/m...

This study focuses on the design, simulation, fabrication, and test of in-plane microgenerator to obtain a high-power output. The comprises multilayer planar silver (Ag) microcoil low-temperature cofired ceramics (LTCC) multipole hard magnet Nd/Fe/B (neodymium, iron, boron). LTCC process is an approach that saves costs time fabricate microcoil. provides large magnetic energy product contribute power. Finite element simulations have been carried out using COMSOL Multiphysics® observe...