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Keywords = hot Wollaston wire

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3 pages, 743 KB  
Abstract
Microfluidic Flowmeter Using a Single Hot Wire
by Rafael Ecker and Bernhard Jakoby
Proceedings 2024, 97(1), 64; https://doi.org/10.3390/proceedings2024097064 - 21 Mar 2024
Cited by 1 | Viewed by 1491
Abstract
The objective of this study is the design and fabrication of a microfluidic thermal flow sensor using polymethylmethacrylate (PMMA) as a substrate. This enables the simple fabrication process of the channel structure and the sensor itself using a laser engraver/cutter machine and a [...] Read more.
The objective of this study is the design and fabrication of a microfluidic thermal flow sensor using polymethylmethacrylate (PMMA) as a substrate. This enables the simple fabrication process of the channel structure and the sensor itself using a laser engraver/cutter machine and a solvent-based bonding process. A thin platinum wire called a Wollaston wire is directly integrated into the fluidic chip and acts as the only sensor element. The combination of this sensor and customized measurement electronics enables a measurement range at flow velocities from 4 mm/s up to 400 mm/s (volume flow rate range from 10 µL/min up to 1 mL/min). Full article
(This article belongs to the Proceedings of XXXV EUROSENSORS Conference)
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