Experimental results showed that the antenna has a broad bandwidth of 164%, high port isolation above 40 dB, enhanced gain of 4–12 dBi, high polarization purity, and low dispersion with a very compact antenna size of 0.28 × 0.28 × 0.20 λ 3. The performance characteristics make the antenna an excellent candidate for a compact, fully ...Web

High Purity Germanium (HPGe) ... Large gamma ray tracking arrays such as AGATA and GRETINA [1], [2] employ radial, longitudinal, and azimuthal segmentation to the implanted outer contact of coaxial HPGe detectors in order to achieve improved position sensitivity. Each individual segment is typically several cubic cm in volume with each …Web

Curved-focal-plane arrays of back-illu-minated silicon-based photodetectors are being developed. The basic idea is to im-prove the performance of an imaging in-strument and simplify the optics needed to obtain a given level of performance by making an image sensor (e.g., a photo-graphic film or an array of photodetec-Web

High color purity across a broad range (400nm-1000nm) is made possible through optical absorption from polysilicon and selective suppression from a platinum layer. The fabricated color filter arrays cover wavelengths from 622nm to 960nm, with Full Width Half Maximum (FWHM) ranging from 13nm to 31nm and average transmissions …Web

Here we report radiofrequency transistors based on high-purity carbon nanotube arrays that are fabricated using a double-dispersion sorting and binary liquid interface aligning process. The nanotube arrays exhibit a density of approximately 120 nanotubes per micrometre, a maximum carrier mobility of 1,580 cm2 V−1 s−1 and a …Web

High-purity germanium (HPGe) detectors [1] are frequently used to detect X- and gamma rays for energy spectroscopy and related fields because of their unparalleled …Web

Although A-CNTs have been produced through chemical vapor deposition (CVD) growth of nanotubes on quartz or sapphire with high density (up to 100 CNTs/μm) or high semiconducting purity obtained through posttreatment (up to 99.9999%) (7–9), arrays with both high density and high purity have not yet been demonstrated.As a result, …Web

Fabrication of uniform micropattern arrays using nonionic surfactant-based wet etching process of high purity aluminum Woong-Ki jang*, Eun Chae Jeon**, Doo Sun Choi**, Byeong Hee Kim*, Young Ho seo*,#Web

3.4. Micropore Arrays Obtained from Parylene-C Molding with Silicon Template. After the poor capabilities or even failures in the preparation of large-area and high-porosity micropore arrays, the Parylene C molding process with a silicon micropillar array as the template was used as the final ability to fabricate the required micropore …Web

A High Purity Germanium (HPGe) detector is a high-resolution detector, used for gamma-ray spectroscopy. One such HPGe detector of our laboratory was showing poor resolution either due to malfunctioning of components or vacuum. This detector being a sophisticated instrument need to be operated in an environment with adequate cooling …Web

The efficient and economic growth of high-purity carbon nanotube (CNT) arrays remains a great challenge due to the synthetic complexity and difficulty of high-precision control. Herein, a high ...Web

Isolating an array of samples grouped by the first element (metal) makes it possible to examine the dependence of the purity of the halides and their impurity composition on the position of the metal in the Periodic Table ().It is seen that the halide samples from different arrays differ in purity level: on average, the purity level of the …Web

Liu et al. combined a multiple dispersion sorting process, which improves purity, and a dimension-limited self-alignment process to produce well-aligned CNT arrays on a 10-centimeter silicon wafer.Web

In terms of the two basic single-photon characteristics of purity and indistinguishability that underpin the two basic quantum resources—interference and …Web

High-purity porous alumina supports have been prepared at low sintering temperatures from alumina powders (99.99%, d 50 =10 μm) coated by boehmite sol via electrostatic adsorption. The effects of sintering temperature and relative weight ratio of boehmite on microstructure, bending strength, porosity and pore size distribution were …Web

the fabrication of high purity germanium crystals have had a significant impact on low-level gamma-ray spectrometry. Today, Ge-detectors with high purity Ge-crystals of 2kg are readily available and detectors with crystals up to 5kg can be produced. Use of large area crystals results in highWeb

In conclusion, this communication has revealed a new utility for post-condensation transformations of the Ugi product involving S N Ar methodology, enabling facile and rapid access to high purity arrays of benzodiazepines. Current studies are now focusing on potentially higher yielding solid-phase approaches to this methodology, …Web

The arrays have a semiconducting nanotube purity of 99% and can fully cover a surface with a nanotube density of more than 500 tubes/µm. The nanotube pitch …Web

simple as upgrading the Purity Operating Environment, at no cost, and completing a few simple steps. We began with version 5.0 of the Purity Operating Environment installed on the two arrays. Array A contained two volumes, named SQL and Vol1. First, from the Storage/Array tab, we connected the two arrays by requesting theWeb

arrays offer background-limited infrared performance (~28 µm cut-off wavelength) and excellent pixel operability and uniformity to many ... The growth of high-purity Si:Ga epitaxial layers also requires a high-purity silicon source. Since gallium is a p-type dopant in silicon, donor impurities are of central concern. ...Web

Here we report radiofrequency transistors based on high-purity carbon nanotube arrays that are fabricated using a double-dispersion sorting and binary liquid …Web

With this patterning technique, we create high-purity DNA arrays, in which we see strong identifying signal from the appropriate array element. The application of such patterned surfaces is not limited to DNA arrays but can be modified to create a surface with a variety of terminal groups separated by an inert background for surface chemistry ...Web

In a typical fabrication process, the reaction chamber was pumped down to a base pressure at the order of 10 −2 Torr and backfilled with ultra-high purity Ar gas (500 sccm) until atmospheric ...Web

Ceramic Pin Grid Arrays can be sealed with either a frit-sealed ceramic lid or a metal lid solder-sealed. Ceramic packaging is robust and has high thermal stability, making it particularly suitable for environments that experience high temperatures. A common example is a high-purity alumina ceramic, with strong thermal resistance and …Web

a and b are the numerically calculated phase profiles for metasurface-1 and metasurface-2.c and d show the purity of vortex beam in Azimuthal index and radial index.e–h corresponds to the ...Web

Here we report radiofrequency transistors based on high-purity carbon nanotube arrays that are fabricated using a double-dispersion sorting and binary liquid interface aligning process. The ...Web

Currently, the major bottleneck lies in the preparation of high density CNT arrays with high semiconductor purity. Following the progresses on the preparation of CNT materials, frequency performance of CNT RF transistors has also been improved significantly in the past decade as shown in figure 6, especially since 2006, when …Web

Sc-SWCNTs with high purity can first be sorted and dispersed into kinds of solvents, subsequently self-assembled to aligned arrays under an action of electric field …Web

The present work describes the high efficiency High Purity Germanium (HPGe) detector array that will be placed around the magnetic trap for this purpose, as …Web

In initial evaluations, the CNT arrays created by Peng and his colleagues were found to be of excellent quality and exhibited a high inherent linearity performance. …Web