A light-weight electromagnetic shield using high density carbon nanotube fence-wall for RF packaging

Dunlin Tan, Jong Jen Yu, David Hee, Zhi Hong Liu, Philippe Eudeline, Dominique Baillargeat, Beng Kang Tay

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

A new isolation scheme to improve radio frequency isolation using high aspect carbon nanotube structures is demonstrated. Carbon nanotubes were designed on top of conventional via-fenced guard trace, and showed 10 dB improvement in radio frequency isolation over conventional via-fencing techniques. This shield made of carbon nanotubes have shown to attain similar isolation performance compared to that of Kovar, a common metal used as a guard ring, or cavity in radio frequency integrated circuits. With weight density less than a quarter to that of metals, complementary use of such CNT forest could lead to significant weight reduction in RF packages.

Original languageEnglish
Title of host publication2015 IEEE MTT-S International Microwave Symposium, IMS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479982752
DOIs
Publication statusPublished - Jul 24 2015
Externally publishedYes
EventIEEE MTT-S International Microwave Symposium, IMS 2015 - Phoenix, United States
Duration: May 17 2015May 22 2015

Publication series

Name2015 IEEE MTT-S International Microwave Symposium, IMS 2015

Conference

ConferenceIEEE MTT-S International Microwave Symposium, IMS 2015
Country/TerritoryUnited States
CityPhoenix
Period5/17/155/22/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

ASJC Scopus Subject Areas

  • Computer Networks and Communications
  • Signal Processing
  • Electrical and Electronic Engineering

Keywords

  • Carbon nanotubes
  • cross-talk
  • EM shield
  • nano packaging
  • RF isolation

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