Gradient coil assemblies

An MRIS gradient coil assembly 2A comprising a first coil layer comprising a first conductive coil portion 3X and a second coil layer comprising a second conductive coil portion 3Y. A first screening layer 6X is disposed between the first 3X and second 3Y coil layers and comprises at least one sheet...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BEGG, MICHAEL COLIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION LOOMS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES METHODS OF WEAVING PHYSICS TESTING TEXTILES WEAVING WOVEN FABRICS
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Beschreibung
Zusammenfassung:	An MRIS gradient coil assembly 2A comprising a first coil layer comprising a first conductive coil portion 3X and a second coil layer comprising a second conductive coil portion 3Y. A first screening layer 6X is disposed between the first 3X and second 3Y coil layers and comprises at least one sheet of screening material. At least one insulating layer 4X comprising insulating material is provided between the first 3X conductive coil portion and the first screening layer 6X. Further the assembly comprises at least one discrete contact means 7 electrically connecting the first conductive coil portion 3X to the sheet of screening material 6X whilst the sheet of screening material 6X is kept from electrically contacting with the first conductive coil portion 3X, except via the at least one discrete contact means, by the at least one layer of insulating material 4X. The screening material might typically comprise a semi-conductive sheet.