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ABSTRACT
* @8 K# J: E: W5 D, S5 T# CA new technology for the microfabrication of Helmholtz
3 H6 J0 \7 m5 ^$ x* {microcoils with integrated SU-8 channels for NMR& J, T/ B8 \' K! n; a" _9 U
spectroscopy is presented.# `) _: U. T* P7 C4 l! o" _
These Helmholtz microcoils demonstrate superior NMR
4 P2 l. n8 T+ g$ h, f' }; Qperformance regarding spin excitation uniformity compared2 z2 d( x# Z- I- H! }# S
to planar microcoils. The improved spin excitation
3 J% K3 h6 Q6 _& i1 puniformity opens the way to advanced chemical analysis
+ F2 d) Y1 ^+ Z7 T2 V( L4 fusing complex RF-pulse sequences., P$ @/ H0 L7 W; A5 r/ h- V
The fabricated Helmholtz coils have Q-factor greater than
: j- \8 d1 a' H& c20 due to electroplated coil turns and vias, which connect the1 p$ ^9 ^0 X4 M0 w9 U5 i
upper and lower turns. The laminated SU-8 microchannel
9 w8 t% [3 t; A1 H2 _% Btechnology allows the implementation of further fluidic6 p' v# E9 @# e" F4 X
functions. Analyzing living cells, mechanical filters can be
3 u1 \" ]/ }5 z& v" x1 T% N' ointegrated for sample concentration and enhanced detection.7 I! c+ f; |8 H1 S- ]. H, V
, o8 R ~( e' P7 {- [ r* s6 h9 t% y# X& ?' t$ P6 A! ]$ I
網路上抓的 paper, 希望對大家有幫助!!
) o6 Z8 L5 M3 K7 }: M/ b# k權限10 & RDB=33 {( s. i) h, a3 M1 J$ p9 a: U9 B
0 m) T" h( t" P1 @$ H
& A) [$ W9 b0 H- E9 j( [' @+ D! P' T) h
/ W& W8 T. F% W! K' }9 N* G8 a[ 本帖最後由 mt7344 於 2007-6-7 10:15 PM 編輯 ] |
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