RF characterization and modeling of various wire bond transitions

Ju Hwan Lim, Dae Han Kwon, Jae Sung Rieh, Soo Won Kim, Sung Woo Hwang

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

This paper presents radio-frequency (RF) characterization and modeling of various wire bond transitions between chips and packages. Test modules composed of Si chips and alumina packages are fabricated in conductor-backed (CB) structures, and they are characterized at frequencies up to 20 GHz. It is shown that the parallel plate resonance of the CB coplanar waveguide (CPW) persists in wire bonding transitions, and narrower-ground CPW-CPW transitions show better characteristics than wider-ground CPW-CPW transitions. The results of three-dimensional full-wave electromagnetic simulation on the test modules reproduce the measured results with a reasonable accuracy. Simple equivalent circuit modeling can reproduce the measured results of the narrower ground CPW transition with no resonance structures. Finally, the effects of bond wire length and impedance mismatch on RF performance are investigated.

Original languageEnglish
Pages (from-to)772-778
Number of pages7
JournalIEEE Transactions on Advanced Packaging
Volume28
Issue number4
DOIs
Publication statusPublished - 2005 Nov

Keywords

  • Conductor-backed CPW
  • Coplanar waveguide (CPW)
  • Electromagnetic simulation
  • Finite-ground CPW
  • Microstrip
  • Modes
  • Wire bond

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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