NDLI: Small business innovations (mass microbalance)

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Small business innovations (mass microbalance)

Content Provider	NASA Technical Reports Server (NTRS)
Copyright Year	1991
Description	Femtometrics of Costa Mesa, CA, developed the Model 200-1 SAW Mass Microbalance under a NASA Small Business Innovation Research (SBIR) contract with Langley Research Center. The product is described as "the next generation of aerosol mass microbalance technology," because a new type of sensor, the Surface Acoustic Wave (SAW) piezoelectric crystal, offers mass resolution two orders of magnitude greater than the Quartz Crystal Microbalance cascade impactor (QCM) (used at Langley since 1979 for collection and measurement of aerosol particles in the upper atmosphere). The Model 200-1 SAW Mass Microbalance, which provides a 400-fold increase in mass sensitivity per unit area over the QCM, can be used for real-time particle monitoring in clean rooms, measuring chemical vapors in very low concentrations, measuring target chemicals in the stratosphere and in industry as a toxic vapor monitor.
File Size	2840923
Page Count	4
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20020086351
Archival Resource Key	ark:/13960/t74v1hm3p
Language	English
Publisher Date	1991-01-01
Access Restriction	Open
Subject Keyword	Sound Waves Toxicity Microbalances Vapors Impactors Aerosols Mass Distribution Upper Atmosphere Quartz Crystals Piezoelectric Crystals Particles Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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