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Due to increased emphasis on heat-assisted magnetic recording (HAMR), the characterization of the intrinsic switching-field distribution (iSFD) at elevated media temperatures has become important. In this paper, we introduce an efficient method to measure iSFD based on optical heating and magnetooptic Kerr effect measurement. The major and minor hysteresis loops of perpendicular magnetic recording...
We proposed a novel evaluation method of heat dissipation capability of the helix slow-wave structure (SWS). A distributed micro fiber Bragg grating (FBG) sensor array is designed to measure the temperature distribution of the helix in SWS. An experiment on two X-band SWSs of different heat dissipation capability is made and the results show that our method can effectively be used to estimate and...
This paper reports the designing, simulation and initial experimental investigation into a LTCC vacuum microsystem package substrate acting both as a vital panel and a functional structure for compact system-in-package (SiP) integration. Design, validation and experimental results for microchannels with different planar axial shapes are presented. Experimental and simulated temperature distribution...
The heat dissipation of six different types of microchannel networks integrated in LTCC based microsystems has been investigated by experimental measurement and simulation analysis, including straight, serpentine, spiral and fractal-shaped microchannel networks of curve, I-shaped and parallel. The cross section of microchannel is 200 ??m ?? 200 ??m and the total length is about 200 mm. The water mass...
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