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Hayase Lab
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A lab that studies fuel cells and copper plating using silicon microfabrication.
AboutAbout the lab
Studying fuel cells and copper plating through microfabrication
The Hayase Lab studies fuel cells and copper plating, making full use of microfabrication technology.
Building on silicon microfabrication technology, which has developed through semiconductor manufacturing, the lab aims to create micromachines that control chemical reactions and biological organisms.
The lab works on advancing the copper plating used for wiring in integrated circuits, and on prototyping ultra-thin fuel cells on silicon substrates.
On the lab's website, it is introduced under the name "Hayase Group."
Key terms
- Copper plating superfilling
- Copper plating in which deposition proceeds preferentially from the inside of fine trenches. It is used to form the wiring inside integrated circuits.
- Integrated circuit
- An electronic circuit also called an IC. Components of tens of nanometers are packed densely inside.
- Fuel cell
- A cell that extracts electricity from the chemical reaction of a fuel. This lab prototypes ultra-thin ones on silicon substrates.
ResearchResearch themes
The Hayase Lab makes full use of microfabrication technology to study fuel cells and copper plating. Its work ranges from the copper plating used to form wiring in integrated circuits to compact power sources and micro devices that control chemical reactions.
*Illustrative imageCopper plating superfilling
The wiring inside integrated circuits is formed by copper plating superfilling, in which plating proceeds preferentially from the inside of fine trenches. The lab is working to advance this method.
*Illustrative imageUltra-thin fuel cells
The lab has prototyped an ultra-thin fuel cell by forming fine fuel channels and a catalyst layer together on a silicon substrate. It aims to improve the output and develop a compact, high-performance power source that surpasses lithium-ion batteries.
*Illustrative imageMicro devices that control chemical reactions
Going beyond fuel cells, the lab is developing micro devices that control a variety of chemical reactions.
MembersFaculty
The members of the Hayase Lab consist of faculty, master's students, and undergraduate students.As of 2026
- ProfessorMasanori Hayase
- Assistant ProfessorKeita Nagai
VoicesStudent voices
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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: “PCB copper layer electroplating machine” Swoolverton / CC BY-SA 3.0 (cropped)
- Copper plating superfilling: “Haring Cell” / CC BY-SA 4.0 (cropped)
- Ultra-thin fuel cells: “Mercedes-Benz eCitaro Fuel Cell, Busworld Europe 2023, Brussels (P1140116)” MB-one / CC BY-SA 4.0 (cropped)
- Micro devices that control chemical reactions: “Schematic illustration showing the assembly, spatial organization and dual functionality of multicellular droplet-based living micro-reactors” Authors of the study: Zhijun Xu, Shengliang Wang, Chunyu Zhao, Shangsong Li, Xiaoman Liu, Lei Wang, Mei Li, Xin Huang & Stephen Mann / CC BY 4.0 (cropped)
- Related lab (上野研究室): “Bubbles inside boiling water” Snehit Jamere / CC BY-SA 4.0 (cropped)
- Related lab (小笠原研究室): “Hypersonic Research Engine in the Hypersonic Tunnel Facility (grc-1973-c-02625-2)” NASA / Public domain (cropped)
- Related lab (田口研究室): “X43a2 nasa scramjet” NASA / Public domain (cropped)
- Related lab (塚原研究室): “Heat-transmittance-means2” Kmecfiunit, cmglee / CC BY-SA 4.0 (cropped)
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