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(나노종합기술원) (중앙대학교) (중앙대학교) (Chung-Ang University) (중앙대학교) (중앙대학교) (Chung-Ang University) (중앙대학교) (중앙대학교)
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대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.13 No.3
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    초록·키워드

    We report the analysis of the radiofrequency (RF) characteristicsaccording to the size, area, and shape of TaN thin-film resistor (TFR)layers. As the TFR size increased, its characteristics were degradedwith increasing frequency owing to the increased capacitive parasiticcomponents. As the frequency increased from 1 MHz to 10 GHz, theeffective resistance decreased by approximately 12.5%, 16.4%, and37.8% when the resistor widths and lengths were 0.5 × 20, 1 × 40, and2 × 80 μm, respectively. To optimize the performance of the highfrequencyTFR, ensuring RF isolation via sufficient separation fromthe silicon substrates was crucial. To realize this RF isolation,methods for minimizing the effect of lossy Si substrates by usingTFRs with a smaller area or by forming a patterned ground shieldshould be introduced.

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