Patent application number | Description | Published |
20090117357 | CONSTRAINING GREEN SHEET AND MANUFACTURING METHOD OF MULTI-LAYER CERAMIC SUBSTRATE - There is provided a hard-to-sinter constraining green sheet and a method of manufacturing a multilayer ceramic substrate using the same. The hard-to-sinter constraining green sheet disposed at least one of top and bottom surfaces of a non-sintered multi-layer ceramic substrate, the hard-to-sinter constraining green sheet including: a first constraining layer having a surface to be positioned on the multi-layer ceramic substrate, the first constraining layer including a first organic binder and a first inorganic binder having a spherical shape or a quasi-spherical shape; and a second constraining layer bonded to a top surface of the first constraining layer and including a second organic binder and a second inorganic powder having a flake shape, the second constraining layer having a powder packing density lower than a powder packing density of the first constraining layer. | 05-07-2009 |
20090133806 | METHOD OF MANUFACTURING DIELECTRIC SHEET AND MULTILAYER CERAMIC SUBSTRATE - There is provided a method of manufacturing a dielectric sheet and a multilayer ceramic substrate. A method of manufacturing a dielectric sheet according to an aspect of the invention may include: forming an embossed pattern formed of a thermoplastic material on a carrier film; forming a dielectric sheet by casting dielectric slurry onto the carrier film to cover the embossed pattern; removing the carrier film and the embossed pattern to leave an intaglio pattern having the shape corresponding to the embossed pattern on the dielectric sheet; and filling the intaglio pattern of the dielectric sheet with a conductive material. | 05-28-2009 |
20090135542 | GLASS COMPOSITION, DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR EMBEDDED LOW TEMPERATURE CO-FIRED CERAMIC SUBSTRATE USING THE SAME - Provided are a glass composition, a dielectric composition and a multi-layer ceramic capacitor embedded low temperature co-fired ceramic substrate using the same. The multi-layer ceramic capacitor embedded low temperature co-fired ceramic substrate is sinterable at a low temperature while showing a high dielectric constant. The glass composition includes a composition component expressed by a composition formula of aBi | 05-28-2009 |
20090142582 | CONSTRAINING GREEN SHEET AND MANUFACTURING METHOD OF MULTI-LAYER CERAMIC SUBSTRATE USING THE SAME - There is provided a constraining green including a first constraining layer having a surface disposed on the one of the top and bottom surfaces of the ceramic laminated body, the first constraining layer containing a first inorganic powder; and a second constraining layer disposed on a top of the first constraining layer and containing a second inorganic powder and a fly ash. The constraining green sheet serves to ensure less shrinkage of the ceramic laminated body and improve debinding characteristics. | 06-04-2009 |
20100101701 | METHOD OF MANUFACTURING NON-SHRINKING MULTILAYER CERAMIC SUBSTRATE - Disclosed is a method of manufacturing a nonshrinking multilayer ceramic substrate. The method includes forming at least one conductive via and an electrode pattern in at least one of a plurality of ceramic green sheets, laminating the ceramic green sheets to form a ceramic laminate, selectively forming a shrinkage inhibiting thin film of sinter-resistant powder on a region including the conductive via and a periphery thereof in at least one of two surfaces of the ceramic laminate using aerosol deposition, disposing a shrinkage inhibiting green sheet for suppressing the shrinkage of the ceramic laminate on at least one of the two surfaces of the ceramic laminate including the shrinkage inhibiting thin film to form a non-sintered multilayer ceramic substrate, and sintering the non-sintered multilayer ceramic substrate. | 04-29-2010 |
Patent application number | Description | Published |
20090110893 | CONSTRAINING GREEN SHEET AND METHOD OF MANUFACTURING MULTI-LAYER CERAMIC SUBSTRATE USING THE SAME - Provided are a constraining green sheet and a method of manufacturing a multi-layer ceramic substrate using the same. The constraining green sheet includes a first constraining layer and a second constraining layer. The first constraining layer has a side to be disposed on a multi-layer ceramic laminated structure and is formed of a first inorganic powder having a first particle diameter. The second constraining layer is disposed on the top of the first constraining layer and is formed of a second inorganic powder having a second particle diameter larger than the first particle diameter. Thus, a shrinkage suppression rate can be increased and a de-binder passage can be secured in a firing process of the ceramic laminated structure by using the constraining green sheet formed of inorganic powders that are different in terms of density and particle diameter. | 04-30-2009 |
20090141427 | DIELECTRIC COMPOSITION AND MULTILAYER CERAMIC CAPACITOR EMBEDDED LOW TEMPERATURE CO-FIRED CERAMIC SUBSTRATE USING THE SAME - Provided are a dielectric composition and a multi-layer ceramic capacitor embedded low temperature co-fired ceramic substrate using the same. The dielectric composition includes a main component, BaTiO | 06-04-2009 |
20090148710 | Laminated ceramic package - Provided is a laminated ceramic package. The laminated ceramic package includes a laminated ceramic substrate having a conductive pattern therein, a first ceramic layer on the laminated ceramic substrate, and a second ceramic layer on the first ceramic layer. The first ceramic layer has a firing area shrinkage rate of about 1% or less. The second ceramic layer has a cavity receiving electronic components and a different firing shrinkage rate from the first ceramic layer. | 06-11-2009 |
20120199270 | METHOD OF MANUFACTURING A MULTI-LAYER CERAMIC SUBSTRATE USING A CONSTRAINING GREEN SHEET - Provided are a method of manufacturing a multi-layer ceramic substrate. The method includes preparing a non-sintered ceramic laminated structure formed of a plurality of ceramic green sheets; preparing one or more constraining green sheets comprising a first constraining layer formed of a first inorganic powder having a first particle diameter and a second constraining layer formed of a second inorganic powder having a second particle diameter larger than the first particle diameter; disposing the constraining green sheets on the top and the bottom of the ceramic laminated structure; and firing the ceramic laminated structure at a predetermined firing temperature. | 08-09-2012 |