SUPERCONDUCTING MAGNET FOR MICROCOIL NMR
SUPERCONDUCTING MAGNET FOR MICROCOIL NMR
批准号:
6293936
负责人:
Yukikazu Iwasa
金额:
$14.28万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-06-01 至 2002-09-30
中文摘要
描述(来自申请人摘要的逐字):本申请的具体目的是为了说明本申请的目的。
第一阶段STTR项目,由American Magnetics,Inc.提出。合作
与麻省理工学院弗朗西斯比特磁铁实验室合作,是:1)实验性的
创新设计和操作特性的可行性论证
适用于NMR Nb 3Sn磁体/制冷机系统;以及2)完成
由AMI在第二阶段建造的原型的参考设计,
它的目标是在未来几年内制造和销售一种新的
这种350- 400 MHz(8.2- 9.0T)Nb 3Sn磁体/低温冷却器系统,台式和
“无噪声”,用于微线圈高分辨率NMR光谱学。创新
FBML开发的设计和操作功能包括:1)在
“冷体含有固体氮的磁铁,
冷体的热容量;和2)磁铁的温度变化,从8
当制冷机与冷体解耦并空转以使制冷机的温度降低时,
系统静止(“无噪声”),直到重新激活的制冷机
耦合到冷体,用于从10 K再冷却到8 K。nmr测量
在商业单位中,在每个约8小时的静止期内进行,
例如,对于2D NMR光谱来说是足够的。本定期
测量-再冷却顺序可以无限地继续。
拟定商业应用:
American Magnetics,Inc.目标是在未来几年内,
新型台式核磁共振光谱仪器的不断发展领域
“无噪声”Nb 3 Sn磁体/制冷机系统,可在
350-400 MHz(8.2-9.0 T),用于微线圈高分辨率NMR光谱。
英文摘要
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.
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科研奖励(0)
会议论文
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