Nano and Micro Systems Lab

The Nano and Micro Systems Lab (NMSL) mission is to conduct various researches in advanced micro and nanomechanical systems sensing and actuation technologies driven by the potential impacts on society and the environment.

The group objective is to address issues in overall NEMS and MEMS technologies advancement while contributing to fundamental sciences.

NMSL engaged in many areas of nanotechnology and microsystems, with a particular focus on devices and systems, experimentation, and fabrication.

Nano and Micro Systems Lab (NMSL)
Group Photo

Ongoing Research Projects


Built-In Packaging for Single Terminal Devices

In this work, we demonstrated a package-less single terminal device not requiring conventional interconnection elements and boards. Eliminating these requirements simplifies the operation of micro and nano actuators. In fact, the idea is compatible with the current sensor technology and we're working on building ultra-high-performance sensors for biomedical applications.

Paper: Built-In Packaging for Single Terminal Devices

COVID-19 Biosensors

Researchers from this project in the lab.

Researchers at the University of Waterloo have developed a COVID-19 biosensor. They are using an electronic device utilizing a graphene-based thin-film covalently functionalized with antibodies for the detection of a COVID-19 SPIKE protein. This device was demonstrated to be able to detect COVID-19 within a few minutes at ultra-low concentrations.

Paper: Electronic Detection of SARS-CoV-2 N-Protein Before the Onset of Symptoms

MEMS Deformable Mirror for Biomedical/Ophthalmology

Researchers at the University of Waterloo have developed a novel MEMS continuous deformable mirror (DM) based on resonant electrostatic actuation (REA) via single voltage waveform to vary the focus of a 1.6 mm circular DM. The DM is integrated into an adaptive optics system as varifocal mirror and able to realize an 8 cm focal shift between focal lengths of 11 cm and 19 cm by changing the phase angle between the DM drive signal and the pulse signal of the incident laser beam. 

Mirror

Figure: a) A microscopic picture of the DM. Schematics of b) the DM and c) fabricated device layers.

Paper: Resonant Adaptive MEMS Mirror

Nano-FET Resonator Project

We aim to build the world’s most sensitive and versatile sensor in practical conditions, i.e. atmospheric pressure and ambient temperature. A novel dual-sensing approach is proposed by collecting information from both mechanical and electrical domains. In the electrical domain, information will be collected with charges from the Nanostructure Field Effect Transistor (nano-FET) property and in the mechanical domain with masses from the NEMS based Resonator property of the device.

nano-fet resonatoe

ManTech - Guelph Water Quality Sensing Partnership

Our team is excited to be working on new water sensor technologies in partnership with ManTech Inc from Guelph! We will be improving existing technologies and developing new materials for the photo-electrochemical oxidation of organics. This Photo-electrochemical Oxygen detector (PeCOD) technology will utilize thin-films, UV-excitation, and develop metamaterial solutions to improve the performance and accessibility of this critical aspect of water quality assessment. 

Paper: A Review: TiO2 based photoelectrocatalytic chemical oxygen demand sensors and their usage in industrial applications

Research Interests

  • Self-powered nano and MEMS sensors and sensor nodes
  • Electronic packaging and interconnectors; N/MEMS on PCBs; and Nano-/micro-joining
  • Quantum electronic solids: superconductors, graphene/graphene-like materials and 2D-TDM

Events

Monday, November 27, 2023 12:00 am - Wednesday, November 29, 2023 11:59 pm EST

5th International Conference on Nanojoining and Microjoining NMJ 2023

Welcome to NMJ 2023!
27th - 29th November 2023 | Leipzig | Germany

 

We are pleased to announce that NMJ, which was postponed in 2020, will now be held on 27th - 29th November 2023.
After the successful conferences in Nara, Japan in 2018 (NMJ 2018), Niagara Falls, Canada in 2016 (NMJ 2016), Emmetten, Switzerland in 2014 (NMJ 2014) and Beijing, China in 2012 (NMJ 2012), we invite you to the 5th NMJ in Germany. The conference provides a platform for scientific and industrial discussion and exchange in the emerging fields of nano- and microjoining technologies, as follows:

 

  • Joining for integration of nano-/micro-scale materials and devices
  • Nanojoining and microjoining for assembly of implantable medical devices
  • Method development for nano-/micro-joint characterization
  • Mechanisms and materials science of nanojoining and microjoining
  • Process issues in nanojoining and microjoining

 

General Background

Key technologies in the fields of e.g. micro-electronics, medical implants, sensing devices and packaging have an urgent need for advanced joining technologies to integrate, package and assemble nano- and micro-scale materials and components at ever-lower temperatures. While microjoining has already become one of the most critical technical prerequisites in the manufacturing of micro-devices and micro-systems, many technological advancements are still needed to allow faster and more reliable fabrication, continuing miniaturization and further cost reduction. The field of nanojoining is also evolving rapidly and is expected to become a key technology for the large-scale production and commercial application of nano-devices and nano-systems in the coming decades.

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