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SUPERCONDUCTING MAGNET FOR MICROCOIL NMR
Phone: (617) 253-5548
Email: IWASA@JOKAKU.MIT.EDU
Email: ROGER@AMERICANMAGNETICS.COM
Address:
Type: Nonprofit College or University
DESCRIPTION (Verbatim from the Applicant's Abstract): The specific aims of this
Phase I STTR project, proposed by the American Magnetics, Inc. in partnership
with the MIT Francis Bitter Magnet Laboratory, are: 1) experimental
demonstration of feasibility of innovative design and operation features
applicable to NMR Nb3Sn-magnet/cryocooler systems; and 2) completion of a
reference design for a prototype to be built by AMI in Phase II, based on which
it targets to manufacture and market, in the next few years, a new class of
such 350-400MHz (8.2-9.0 T) Nb3Sn-magnet/cryocooler systems, bench-top and
"noise-free," for micro coil high resolution NMR spectroscopy. The innovative
design and operation features, developed at FBML, include: 1) presence in the
"cold body containing the magnet of solid nitrogen to enhance significantly the
cold body's heat capacity; and 2) variation in the magnet's temperature, from 8
K when the cryocooler is decoupled from the cold body and idled to make the
system quiescent ("noise-free"), until when the re-activated cryocooler is
coupled to the cold body for recooling from 10 K to 8 K. NMR measurement is
performed during each quiescent period, in commercial units, of about 8 hours,
sufficient, for example, for 2D NMR spectra. This periodic
measurement-recooling sequence may be continued ad infinitum.
PROPOSED COMMERCIAL APPLICATION:
The American Magnetics, Inc. Targets to capture, in the next few years, a niche among
the growing field of NMR spectroscopy instrumentation with a new class of bench-top
"noise-free" Nb3 Sn-magnet/cryocooler systems, operatable at a frequency in the range
350-400 MHz (8.2-9.0 T), for microcoil high resolution NMR spectroscopy.
* Information listed above is at the time of submission. *