SELF-CONSTRAINED LOW TEMPERATURE GLASS-CERAMIC UNFIRED TAPE FOR MICROELECTRONICS AND METHODS FOR MAKING AND USING THE SAME

A monolithic self-constrained green body tape for use in low temperature ceramic co-firing is provided. The tape contains at least two layers: one low temperature ceramic layer containing particles of a glass, a ceramic, and an organic binder, and a self-constraining layer containing a refractory ce...

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Bibliographische Detailangaben
Hauptverfasser:	AMAYA, EDMAR, M, LAUTZENHISER, FRANS, P, HOCHHEIMER, THOMAS, J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CEMENTS CERAMICS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GLASS INDUCTANCES JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIME, MAGNESIA MAGNETS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PRINTED CIRCUITS REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SEMICONDUCTOR DEVICES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSFORMERS TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A monolithic self-constrained green body tape for use in low temperature ceramic co-firing is provided. The tape contains at least two layers: one low temperature ceramic layer containing particles of a glass, a ceramic, and an organic binder, and a self-constraining layer containing a refractory ceramic and a wetting agent for the glass in the first layer. When the tape is fired at a sintering temperature of the low temperature ceramic layer, densification occurs in the z (thickness) direction, but essentially no shrinkage (less than about 1%) occurs in the x-y planes. A method for forming a multilayer green body tape using simultaneous wet on wet ceramic slurry deposition is also provided. A dense, monolithic, low temperature, co-fired, self-constrained, multicomponent structure is also provided. The structure at least two multilayer ceramic substrates having electronic circuit components mounted thereon or therein. Each multilayer ceramic substrate contains at least two layers with one being a self-constraining layer. L'invention concerne une bande monolithique crue à auto-contrainte convenant pour le co-frittage céramique basse température. Cette bande contient au moins deux couches : une couche céramique basse température contenant des particules de verre, une céramique et un liant organique, et une couche d'auto-contrainte contenant une céramique réfractaire et un agent mouillant pour le verre de la première couche. La cuisson de la bande à la température de frittage de la couche céramique basse température, entraîne une densification dans le sens z (épaisseur), mais aucun retrait notable (moins de 1%) ne se produit dans les plans x-y. L'invention concerne également un procédé permettant de former une bande crue multicouches par dépôt humide sur humide d'une suspension céramique. L'invention concerne en outre une structure multi-composants à auto-contrainte, co-fritté, basse température, monolithique, dense, sur laquelle ou dans laquelle sont montés des composants de circuits électroniques. Chaque substrat céramique multicouches contient au moins deux couches dont l'une est une couche d'auto-contrainte.