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This paper discusses electromagnetic noise suppression performance of less-than 50 μm-thick in total and flexible meltblown non-woven fabric. New sets of lighter fabric of 10 g/m2 has been developed, and its performance were compared with commercially available 98 g/m2 fabric and referential 20 g/m2 test samples. As the sheet resistance becomes the less and accordingly the loss ration becomes higher...
This paper systematically discusses fabrication process, morphological observation and electromagnetic noise suppression performance of new series of the non-woven fabric type noise suppressor consisting only of the meltblown thin fibers. Effect of contact resistance has been clarified experimentally for the first time as the sheet resistance becomes the less and accordingly the loss ration becomes...
This paper describes the design, fabrication, and electric performances of planar inductors with Fe0.76B0.12Si0.04C0.08 (Fe–B–Si–C) flakes composite. These inductors were designed with the help of an analytical magnetic circuit calculation, a finite-element method electromagnetic field simulator, and the Jiles–Atherton hysteresis model with the segmentation model so as to attain the desired inductance...
The analysis model of non-woven fabric made of synthetic fibers having different diameters for the non-magnetic noise suppressor is developed and the relationship between the wave impedance of free space is considered. The shielding effectiveness to the plane wave can be calculated using the sheet resistance by regarding the non-woven fabrics as a continuous metal sheet. Therefore, it is shown that...
A three-dimension (3D) magnetic near field scanning system was developed to measure source bus line current of a 20-inch size LCD panel. The Euler's angle adjustment mechanism and the laser displacement sensor techniques enabled the accuracy of the X, Y, and Z positioning as 0.03 mm, 0.35 mm and 0.05 mm respectively. The measurement results produced distinct source bus line current result up to almost...
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