Fluke Biomedical 76-903 - Manual (Page 3)

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Table of Contents
Section 1: Introduction................................................................................................ 1-1
1.1 Introduction .................................................................................................. 1-1
1.2
Orientation – Imaging Method...................................................................... 1-1
1.3 Choosing Echo Time.................................................................................... 1-1
1.4 NMR Solution............................................................................................... 1-2
Section 2: Specifications ............................................................................................ 2-1
2.1 Phantom Design .......................................................................................... 2-1
Section 3:
Theory of Operation................................................................................... 3-1
3.1 Omni Directional Application........................................................................ 3-1
3.2 Concentric Conical Rings Section................................................................ 3-1
3.2.1 Slice Thickness Uniformity ........................................................................ 3-1
3.2.2 Aspect Ratio.............................................................................................. 3-1
3.2.3 Magnetic Field Homogeneity..................................................................... 3-2
3.3 Flood Section............................................................................................... 3-2
3.3.1 RF Uniformity ............................................................................................ 3-3
3.3.2 T
1
and T
2
Values ....................................................................................... 3-3
3.4 Insert Section............................................................................................... 3-3
3.4.1 Folded Step Ramps................................................................................ 3-4
3.4.2 Fold Step Ramp Analysis ....................................................................... 3-4
3.4.3 Measurement Method............................................................................. 3-4
3.4.4 Slice Contiguity (Gap)............................................................................. 3-5
3.4.5 Resolution Pattern .................................................................................. 3-5
3.4.6 Star Pattern ............................................................................................ 3-6