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Background As offsite prefabrication and modular construction continue to gain momentum into the future, material supply chain becomes increasingly complex for modern construction projects. Pre-engineered material supply presents itself as a driver for planning crew installation operations on site that involve skilled labor and heavy equipment. Methods This paper proposes a framework for implementing...
The global material supply chain for modular construction, consisting of assemblies prefabrication, material delivery and handling, module assembly, and site installation, can be regarded as a “Big Site”problem. With a combination of various transportation modes (i.e., trucks, ships, and rails), insufficient logistic planning on the capacity and time availability of unloading bays and transportation...
We present the fabrication of nitrogen-vacancy (NV) spin chains by implantation through a silicon mask on diamond. A minimum implantation aperture width of 5 nm is produced. Super-resolution measurements reveal NV lines 26 nm wide and minimal NV-pitch of 8 nm.
A triangular nanobeam architecture for a bulk-diamond quantum photonic networks based on silicon masking and angular etching is proposed and implemented. Cavities with Q>3×103 are demonstrated. S-bent interconnects for realizing a mm-scale network are introduced.
We present a mass fabrication method of diamond nanoscale slabs by alternating plasma etching and mask deposition. These slabs support NV− spins with long coherence times and are suitable for a range of nanophotonic devices.
A brief introduction to ASTRI's work on optoelectronics is given. Some research results on power GaN LED chips, LED packaging, LED general lighting, LED backlight units for LCD TVs and projectors, and anti-shaking camera modules are presented.
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