Stray-Field Imaging of Planar Films Using a Novel Surface Coil

✍ Scribed by P.M. Glover; P.J. McDonald; B. Newling

• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 168 KB
• Volume: 126
• Category: Article
• ISSN: 1090-7807
• DOI: 10.1006/jmre.1997.1174

✦ Synopsis

A surface-coil approach to stray-field magnetic resonance imprecise leveling and careful sample preparation. Leveling is aging (STRAFI), which has certain advantages for the profiling difficult but may be achieved either mechanically (4) or, in of planar films and layers, is described. Frequency-swept and Fouprinciple, with electrical shim gradient coils. However, in rier-transform versions of the experiment, which are particularly some instances, it is not possible to arrange for the experisuitable for use with the coil, are reported. As an example applicament to be one dimensional. An example is the drying of tion, a latex coating is analyzed during the evaporative drying layers of colloidal dispersions, such as sols and emulsions.

process, in which a colloidal dispersion is transformed to a continu-

Here the meniscus of the sample leads to a rounded surface ous polymer film. The ultimate achievable resolution is discussed and surface shrinkage leads to wrinkling, both of which and contrasted with conventional MR microscopy. ᭧ 1997 Academic compromise profiling through the whole sample. Another Press example is the study of liquid ingress into solids where ingress into the sides of the sample can be limiting.