Low characteristic impedance transmission line fabricated using benzo-cyclo-butene thin film

  • Woo Suk Sul
  • , Tea Sin Kang
  • , An Dan
  • , Young Hoon Chun
  • , Mi Ra Kim
  • , Sam Dong Kim
  • , In Suk Hwang
  • , Jin Koo Rhee
  • , Gi Hyon Ryu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Transmission tines of very low characteristic impedance (Zo) are fabricated and analyzed. The transmission lines are fabricated on the benzo-cyclo-butene (BCB) films of a low dielectric constant. Two types of coplanar waveguide (CPW) structures are fabricated, which include bottom-ground and double-ground type. Measurement shows that Zo values for each CPW type are 7.3 and 9.4 Ω, respectively, at a signal line width of 100 μm. When the ratio between the spacing of bottom-ground and the signal line width becomes greater than 2.5, the Zo is nearly saturated. In addition, thin film microstrip lines fabricated using the BCB insertion layers show very low Z0 of 25.5 Ω, and this impedance is-64 % of the values obtained from the BCB-based CPW structures of the same line width.

Original languageEnglish
Title of host publication2002 Conference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2002 - Proceedings
EditorsMichael Gal
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages353-356
Number of pages4
ISBN (Electronic)0780375718
DOIs
StatePublished - 2002
EventConference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2002 - Sydney, Australia
Duration: 11 Dec 200213 Dec 2002

Publication series

NameConference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD
Volume2002-January

Conference

ConferenceConference on Optoelectronic and Microelectronic Materials and Devices, COMMAD 2002
Country/TerritoryAustralia
CitySydney
Period11/12/0213/12/02

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