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Plasma heating for containerless and microgravity materials processingA method for plasma heating of levitated samples to be used in containerless microgravity processing is disclosed. A sample is levitated by electrostatic, electromagnetic, aerodynamic, or acoustic systems, as is appropriate for the physical properties of the particular sample. The sample is heated by a plasma torch at atmospheric pressure. A ground plate is provided to help direct the plasma towards the sample. In addition, Helmholtz coils are provided to produce a magnetic field that can be used to spiral the plasma around the sample. The plasma heating system is oriented such that it does not interfere with the levitation system.
Document ID
19950011911
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Leung, Emily W. (Jet Propulsion Lab. California Inst. of Tech., Pasadena, CA., United States)
Man, Kin F. (Jet Propulsion Lab. California Inst. of Tech., Pasadena, CA., United States)
Date Acquired
August 16, 2013
Publication Date
December 20, 1994
Subject Category
Materials Processing
Report/Patent Number
Patent Number: US-PATENT-5,374,801
Patent Application Number: US-PATENT-APPL-SN-153933
Patent Number: NASA-CASE-NPO-18819-1-CU
Accession Number
95N18326
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-5,374,801|NASA-CASE-NPO-18819-1-CU
Patent Application
US-PATENT-APPL-SN-153933

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