Patent classifications
H01G4/308
Multi-layer ceramic capacitor and method of producing the same
A multi-layer ceramic capacitor includes a body. The body includes a capacitance forming unit, a cover, and a side margin. The capacitance forming unit includes ceramic layers laminated in a first direction and internal electrodes disposed between the ceramic layers. The cover covers the capacitance forming unit from the first direction. The side margin covers the capacitance forming unit from a second direction orthogonal to the first direction. The capacitance forming unit includes a surface layer portion adjacent to the cover. Ends of the internal electrodes in the second direction in the surface layer portion are curved toward the cover.
Multi-layer ceramic capacitor and method of producing the same
A multi-layer ceramic capacitor includes a multi-layer unit, a side margin, and a bonding unit. The multi-layer unit includes ceramic layers and internal electrodes. The ceramic layers are made of first ceramics and laminated in a first direction, the first ceramics having a first average crystal grain diameter. The internal electrodes are disposed between the ceramic layers. The side margin is made of second ceramics and covers the multi-layer unit from a second direction orthogonal to the first direction, the second ceramics having a second average crystal grain diameter. The bonding unit is made of third ceramics and disposed between the multi-layer unit and the side margin, the third ceramics having a third average crystal grain diameter that is larger than the first average crystal grain diameter and the second average crystal grain diameter.
CAPACITOR COMPONENT AND METHOD OF MANUFACTURING THE SAME
A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
MULTILAYER CERAMIC CAPACITOR AND MANUFACTURING METHOD THEREOF
A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein 1.5?Db/Da?10.0 is satisfied in a side margin region that covers edge portions to which the plurality of internal electrode layers extend toward two side faces other than the first edge face and the second edge face, when Da is an average grain diameter of a main component ceramic within 20 ?m from an edge of the plurality of internal electrode layers in the side margin region and Db is an average grain diameter of a main component ceramic within 20 ?m from a surface layer of the side margin region.
MULTILAYER CERAMIC CAPACITOR
A multilayer ceramic capacitor includes a body including first and second dielectric layers and having first to sixth surfaces; a second internal electrode disposed on the second dielectric layer to face the first internal electrode with the first or second dielectric layer interposed therebetween, exposed to the fourth, fifth, and sixth surfaces, and disposed to be spaced apart from the third surface by a second space; a first dielectric pattern disposed in at least a portion of the first space; a second dielectric pattern disposed in at least a portion of the second space; a side insulating layer disposed on the fifth and sixth surfaces; a first external electrode disposed on the third surface; and a second external electrode disposed on the fourth surface, in which the first and second dielectric patterns have a color different from the first and second dielectric layers.
Ultra compact micro capacitor and method for producing same
The present invention relates to the area of micro- and nanoelectronics and relates to ultra-compact micro capacitors, how they can be used, for example, in electrical and electronic devices. The object of the present invention consists in specifying an ultra-compact micro capacitor with the highest capacity. The problem is solved by an ultra-compact micro capacitor which is made from a rolled-up layer stack of alternatingly arranged layers of dielectric and/or electrically insulating and electrically conductive materials with rolled-up lengths of the layer stack of at least 1 mm, and an absolute electrical storage capacity of at least 10 nF. The problem is additionally solved by a method, in which a layer containing a water-soluble cellulose derivative is applied to a substrate and a layer stack to same, the layer containing the cellulose derivative is removed from the substrate using water, an organic solvent and/or an organic solvent mixture, and the layer stack is rolled up with a rolling speed of more than 0.1 mm/min.
MULTILAYER CERAMIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME
A multilayer ceramic capacitor includes: a capacitance layer including dielectric layers and first and second internal electrodes disposed with respective dielectric layers interposed therebetween; a protection layer disposed on one surface of the capacitance layer; an alpha connection electrode provided in an alpha via penetrating through the protection layer; and a beta connection electrode provided in a beta via penetrating through the capacitance layer and connected to the alpha via. The alpha via has a diameter greater than that of the beta via.
ROLLED ENERGY STORAGE ELEMENTS AND METHOD FOR THE PRODUCTION THEREOF
Rolled-up energy storage elements, each including a rolled layer stack of layers which are arranged within a layer plane in an at least partially covering manner. In the layer stack, at least two layers are present which are at least partially electrically conductive, and at least one layer of a non-liquid electrolyte material is present, or at least one region between at least two layers of the rolled layer stack is present which comprises a liquid electrolyte. Either at least one of the layers that is at least partially electrically conductive includes at least partially a magnetic material, or an additional layer that includes at least partially a magnetic material in the layer stack.
MULTI-LAYER CERAMIC CAPACITOR AND METHOD OF PRODUCING THE SAME
A multi-layer ceramic capacitor includes a multi-layer unit, a side margin, and a bonding unit. The multi-layer unit includes ceramic layers and internal electrodes. The ceramic layers are made of first ceramics and laminated in a first direction, the first ceramics having a first average crystal grain diameter. The internal electrodes are disposed between the ceramic layers. The side margin is made of second ceramics and covers the multi-layer unit from a second direction orthogonal to the first direction, the second ceramics having a second average crystal grain diameter. The bonding unit is made of third ceramics and disposed between the multi-layer unit and the side margin, the third ceramics having a third average crystal grain diameter that is larger than the first average crystal grain diameter and the second average crystal grain diameter.
Method for producing an electric contact connection of a multilayer component
A method for producing an electric contact-connection of a multilayer component is disclosed. In an embodiment, the method includes providing a main body of the multilayer component having internal electrode layers, applying an electrically conductive material and applying a photosensitive material on the electrically conductive material. The method further includes structuring the electrically conductive material via the photosensitive material such that the internal electrode layers alternatingly are covered and uncovered by the electrically conductive material and applying an insulating material after structuring the electrically conductive material such that the internal electrode layers are alternatingly covered by the electrically conductive material and by the insulating material.