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Kuga Lab (Microwave Circuit Lab)
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The lab uses electromagnetic waves to assess the condition of connections in wiring and contacts.
AboutAbout the lab
Technology for connecting well
The Kuga Lab pursues research on using electromagnetic waves to detect the connection state of components and wiring, with the goal of "connecting well."
A system is made by connecting components with wiring, and to make it operate stably in harsh environments, it is important to find unstable connections as early as possible.
For small-scale wiring, examples are the connections inside printed circuit boards and IC packages; for large-scale wiring, they are the cables and connectors of wireless communication base station equipment. In both cases, connection defects must be found quickly.
The lab is characterized by its methods using high-frequency electromagnetic waves such as microwaves, and by its goal of non-contact, non-destructive evaluation.
Key terms
- Intermodulation distortion
- Distortion that appears in electromagnetic waves due to the electrical and magnetic nonlinearity of materials. The lab uses it to evaluate connection state.
- Microwave
- A type of high-frequency electromagnetic wave. Evaluation methods that use it are a hallmark of the lab.
ResearchResearch themes
The lab researches technology for quickly finding defective points, and points that could become defective, in increasingly complex circuits and wiring. Using the intermodulation distortion of electromagnetic waves, it has worked not only on detecting connection defects but also on characterizing the properties of materials themselves in detail and quantitatively.
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MembersFaculty
- ProfessorNobuhiro Kuga
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “SR-50 Coaxial Connectors” Tpdwkouaa / CC0 (cropped)
- Detecting Connection State with Electromagnetic Waves: “RF Connectors Assortment” Shabaz1000 / CC BY-SA 4.0 (cropped)
- Related lab (Fukunaga Lab (Non-Destructive Sensing Lab)): “X-ray scan of a forest painting” IEAP-CTU in Prague and Centre of Excellence č, Czech Republic / Public domain (cropped)
- Related lab (Sano Lab): “Horn Antennas Atop a Microwave Relay Tower” Kkiefuik This photo was taken with Canon EOS 90D / CC BY 4.0 (cropped)
- Related lab (Analytic Function Spaces and Operators Lab (Seiichiro Ueki)): “TetrationComplexColor” AJRobbins at English Wikipedia / Public domain (cropped)
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