Investigation of Vertically Aligned Carbon Nanotube Arrays as Building Blocks for mm-Wave Waveguide Devices
- Resource Type
- Conference
- Authors
- Zhao, Xinghai; Jiang, Rongtao; Tan, Chong Wei; Yuxiang, Lucas Lum; Coquet, Philippe; Baillargeat, Dominique; Tay, Beng Kang
- Source
- 2023 Asia-Pacific Microwave Conference (APMC) Microwave Conference (APMC), 2023 Asia-Pacific. :754-756 Dec, 2023
- Subject
- Aerospace
Bioengineering
Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Waveguide transitions
Three-dimensional displays
Packaging
Conductivity
Carbon nanotubes
Loss measurement
Bonding
VACNT
Waveguide
W-band
3D Integration
- Language
This paper investigates the use of vertically aligned carbon nanotube (VACNT) arrays as building blocks for mm-wave waveguide devices. The fabrication, characterization, and performance evaluation of VACNT-based waveguides are presented. The waveguides are fabricated using a low-temperature 3D packaging technology, and their transmission properties are assessed through S-parameter measurements. The results demonstrate the potentiality of the VACNT-based waveguide topologies within the mm-wave frequency range. Simulations are conducted to understand the loss mechanisms in VACNT-based waveguides and compared with experimental measurements. The low conductivity of the CNT array introduces additional loss compared to metal-based waveguides. Bonding misalignment is also found to impact the overall loss.