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We present a simple and flexible approach for building a microsphere-based probe that can be used for a scanning super-resolution imaging platform. We assembled microspheres with a microprobe and manipulate the microspheres as secondary lens across the specimen surface. The achieved resolution enhancement surpasses conventional 100x/0.90 objective lens under white light illumination by adding an additional...
Microsphere-assisted microscopy is a recent super-resolution microscopy technique that is a simple but effective approach to resolve features two to four times smaller than the diffraction limit. However, it is still a difficulty to place high-refractive-index microspheres-based super-lens at a specific site of interest, especially inside microfluidic devices. Here, we demonstrate a flexible and cantilever-free...
The failure mechanism of lead-free solder interconnections under thermal cycling has been studied by cross-polarized light microscopy, scanning electronic microscopy (SEM), and nanoindentation test. From the results of finite element modeling (FEM), it was found that the critical solder interconnection was located at the chip corner, and the stress was concentrated at the outer neck region beneath...
Slot die coating and conversion of La2Zr2O7(LZO) buffer layers were performed on rolling assisted biaxially textured Ni-W with and without thin Y2O3 seed layers. The slot die coating, drying and processing were all performed using reel to-reel systems. The slot die coated LZO precursor films were then reacted under a variety of conditions and the texture and morphology development were characterized...
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