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Miniature Microwave Plasma Torch

Detailed Technology Description: Description of Technology Michigan State University’s invention uses microwave-based plasma torch technology to provide a miniature version of the plasma torch. The miniature plasma torch operates at or near atmospheric pressure to process materials or render spectroscopy applications. The torch can provide a spot sized from a quarter millimeter to several millimeters. The device can also be integrated into a hybrid plasma torch/laser apparatus for materials processing. Key BenefitsOperates near or at atmospheric pressure for use in materials processingProvides a wide range of flow rates so that discharge properties vary from diffusional flow of radicals for gentle surface processing to high velocity, approaching supersonic, torch discharges for cutting and welding applicationsVery small materials processing spot size Applications The microwave plasma torch apparatus is used for a variety of applications where rapid heating of a small amount of materials is needed. Patent Status U.S. patent 7,442,271 Inventors Jes Asmussen, Timothy Grotjohn, Shengxi (Stanley) Zuo, Kadek Hemawan Tech ID TEC2004-0039

*Abstract: None

*Principal Investigator: Name: Jes Asmussen, University Distinguished Professor
Department: Electrical & Computer Engineering

Name: Timothy Grotjohn, Professor
Department: Electrical & Computer Engineering

Name: Shengxi (Stanley) Zuo, Research Scientist
Department:

Name: Kadek Hemawan, Graduate Student
Department: Electrical & Computer Engineering

Country/Region: USA

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