Helmholtz Coils with Integrated Channels for NMR Spectroscopy[EPFL]

mt7344

ABSTRACT
A new technology for the microfabrication of Helmholtz
: }; q( S# j' Z" r& P! G# ^microcoils with integrated SU-8 channels for NMR
spectroscopy is presented.
. j: W4 L+ \$ y/ U% Y$ `) p4 }& BThese Helmholtz microcoils demonstrate superior NMR
9 ]4 i5 a$ c9 M7 U, k& _, cperformance regarding spin excitation uniformity compared
to planar microcoils. The improved spin excitation
uniformity opens the way to advanced chemical analysis
using complex RF-pulse sequences.
2 d, \; G' E0 C) Y7 f( @' KThe fabricated Helmholtz coils have Q-factor greater than
2 ?. F# G  G, V' Y6 _20 due to electroplated coil turns and vias, which connect the
2 l# \& p8 ~2 t0 Z9 a: a% N$ fupper and lower turns. The laminated SU-8 microchannel
technology allows the implementation of further fluidic
- k# Y3 Q0 ^9 x9 t4 E6 Z. e5 h; lfunctions. Analyzing living cells, mechanical filters can be
4 Z* t( w' Q: o5 i- y" rintegrated for sample concentration and enhanced detection.
: N. k4 D; V0 ~& X% a7 [8 C! m6 f
1 ]  b" f. Q/ Z8 ~, \1 M
7 n+ o' r( _7 r& }網路上抓的 paper, 希望對大家有幫助!!
! J2 r, h) q- [0 }: _% m# V$ u權限10 & RDB=3
* v/ A$ `. h6 U% A- ?; B/ x: S
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  X% f. G9 [% z% K[ 本帖最後由 mt7344 於 2007-6-7 10:15 PM 編輯 ]