MAGNETIC PARTICLE DISPERSION LIQUID AND MAGNETIC PARTICLE DISPERSING ELEMENT

PROBLEM TO BE SOLVED: To provide a magnetic particle dispersion liquid in which the magnetic particles with garnet structure are uniformly dispersed and of which the dispersed state has excellent aging stability and to provide a magnetic particle dispersing element obtained by curing the magnetic pa...

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Bibliographische Detailangaben
Hauptverfasser:	UOZU YOSHIHIRO, KITAMOTO JINKO, KIM TEYOUBU, YAMAZAKI YOTARO, HIRANO TERUMI, KURODA CARLOS SEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a magnetic particle dispersion liquid in which the magnetic particles with garnet structure are uniformly dispersed and of which the dispersed state has excellent aging stability and to provide a magnetic particle dispersing element obtained by curing the magnetic particle dispersion liquid. SOLUTION: The magnetic particle dispersion liquid comprises the magnetic particles with garnet structure and with 5-50 nm particle size uniformly dispersed in a dispersion medium containing ethyl methacrylate and polymethyl methacrylate. Also the magnetic particle dispersing element is obtained by polymerizing and solidifying ethyl methacrylate contained in the magnetic particle dispersion liquid and comprises the magnetic particles with garnet structure uniformly dispersed in a polymethyl methacrylate resin. COPYRIGHT: (C)2003,JPO