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Fully embedded high Q circular stacked spiral inductors into organic substrate
Author(s) -
Lee Hwan H.,
Park Jae Y.
Publication year - 2007
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.22354
Subject(s) - inductor , inductance , spiral (railway) , microwave , substrate (aquarium) , q factor , planar , materials science , printed circuit board , electrical engineering , optoelectronics , quality (philosophy) , engineering , electronic engineering , telecommunications , physics , computer science , mechanical engineering , resonator , oceanography , computer graphics (images) , voltage , geology , quantum mechanics
In this paper, fully embedded circular‐stacked spiral inductors are investigated into a multilayered PCB substrate for low cost and miniaturized RF system on package (SOP) applications. The embedded circular‐stacked inductors are optimally designed to obtain high quality factor and self‐resonant frequency by using 3D EM simulator. The fabricated two‐turn circular‐stacked inductor has an inductance of 8.4 nH and a maximum quality factor of 67 at 1.2 GHz. The device size of the staked inductor is ∼65% of the planar inductor. The measured performance characteristics are well matched with the 3D EM‐simulated ones. The embedded circular stacked spiral inductors are promising for organic‐based SOP, which needs various functionality, low cost, small size and volume, and high packaging density. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1074–1077, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI.10.1002/mop.22354