MANUFACTURING PROCESS of a HYPERFREQUENCE DEVICE of YTTRIUM-IRON-GARNET FERRITE, AND HYPERFREQUENCE DEVICE

The invention relates to an yttrium iron garnet ferrite for microwave components, characterized in that its general formula is YaTRbBicFedAleIn1CagCuhZriVjCokSiIO12±?, where: -1 = ? = 1; 3(a+b+c+d+e+f) + 2(g+h+i) + 4(i+l) +5j = 24 ± 2?; 1 = a = 3.5; 0 = b = 1.5; 0.1 = c = 1, preferably 0.65 = c = 1;...

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Bibliographische Detailangaben
Hauptverfasser:	LEBOURGEOIS, RICHARD, CIBIEN, GERARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE 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 ELECTRICITY FREQUENCY-CHANGING INDUCTANCES LIME, MAGNESIA MAGNETS METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSFORMERS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to an yttrium iron garnet ferrite for microwave components, characterized in that its general formula is YaTRbBicFedAleIn1CagCuhZriVjCokSiIO12±?, where: -1 = ? = 1; 3(a+b+c+d+e+f) + 2(g+h+i) + 4(i+l) +5j = 24 ± 2?; 1 = a = 3.5; 0 = b = 1.5; 0.1 = c = 1, preferably 0.65 = c = 1; 4 = d = 5; 0 = e = 1.5; 0 = f = 0.8; 0 = g = 1; 0.01 = h = 0.05; 0 = i = 0.2; 0 = j = 0.8; 0 = k = 0.5 and 0 = I = 0.5 and where TR is a rare earth preferably chosen from Gd, Dy, Ho or a mixture of rare earths. The invention also relates to processes for manufacturing such a ferrite and a microwave component including it, and to a microwave component thus obtained.