High performance integrated passive devices (ipds) on low cost through silicon interposer (LC-TSI)

This paper presents the design, fabrication and characterization of integrated passive devices (IPDs) on low cost through silicon interposer (LC-TSI). The performance of symmetrical spiral inductors is presented and analyzed in this paper. The effect of space between traces and the width of the trace on the Q-factor are studied. In addition, the inductors with TSV around and under are also discussed. On the TSI platform, some radio-frequency (RF) IPDs are also designed, including a millimeter-wave (mmWave) antenna working at 77 GHz for the automotive radar application. A bandpass filter based on the quarter-mode substrate integrated waveguide (QMSIW) is also designed on the TSI platform. The performance of these structures is given and the results show that the TSI platform is an attractive and promising method as a carrier to design IPDs and RF-IPD working at high frequency.

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