Maruwa Co., Ltd.
|Maruwa Co., Ltd. Patent applications|
|Patent application number||Title||Published|
|20130224499||CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a cut-out sintered ceramic sheet including forming a ceramic green sheet, sintering the formed ceramic green sheet, adhering a plastic resin film onto which adhesive is applied on at least one surface of the sintered ceramic sheet, and shearing the sintered ceramic sheet.||08-29-2013|
|20130222198||ANTENNA MODULE, MAGNETIC MATERIAL SHEET AND DOUBLE-SIDED ADHESIVE SPACER, AND METHODS FOR THE MANUFACTURE THEREOF - An antenna module and methods for manufacturing an antenna module, the antenna module including a magnetic material sheet for focusing a magnetic flux, an antenna conductor deposited on the magnetic material sheet and formed in a predetermined pattern, and a protection layer deposited on the antenna conductor for protecting the antenna conductor.||08-29-2013|
|20130156996||CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME - A cut-out sintered ceramic sheet including a side surface, the entire surface of which is a fracture surface having reliefs, wherein a plastic resin film is adhered onto upper and lower surfaces of the cut-out sintered ceramic sheet.||06-20-2013|
|20130122250||CUT-OUT SINTERED CERAMIC SHEET AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a cut-out sintered ceramic sheet having a complex shape and a cut-out sintered ceramic sheet made according to the method, the method including forming a ceramic green sheet, sintering the formed ceramic green sheet, adhering a plastic resin film onto which adhesive is applied on at least one surface of the sintered ceramic sheet, and shearing the sintered ceramic sheet.||05-16-2013|
|20120088070||COMPOSITE FERRITE SHEET, METHOD OF FABRICATING THE COMPOSITE FERRITE SHEET, AND ARRAY OF SINTERED FERRITE SEGMENTS USED TO FORM THE COMPOSITE FERRITE SHEET - A method of fabricating a composite ferrite sheet including the steps of: (a) forming a grooved green ferrite sheet having a non-intersecting grid pattern by pressing a groove forming die including a plurality of first protrusions and a plurality of second protrusions having a triangular cross sectional shape, each protrusion of at least one of the plurality of first protrusions and the plurality of second protrusions being discontinuous at each imaginary intersecting portion at which extension lines of the respective first and second protrusions intersect each other, (b) firing the grooved ferrite green sheet to obtain a sintered ferrite sheet, (c) bonding at least one supporting sheet to at least one of opposite major surfaces of the sintered ferrite sheet, and (d) rupturing the sintered ferrite sheet along the grooves into a multiplicity of separate and independent rectangular planar ferrite segments which are bonded to the supporting sheet.||04-12-2012|
Patent applications by Maruwa Co., Ltd.