Patent application number | Description | Published |
20090272562 | METHOD OF PRODUCING CIRCUIT BOARD BY ADDITIVE METHOD, AND CIRCUIT BOARD AND MULTILAYER CIRCUIT BOARD OBTAINED BY THE METHOD - An object of an aspect of the present invention is to provide a method of producing a circuit board that allows highly accurate preservation of the circuit profile and gives a circuit having a desired depth in preparation of a fine circuit by additive process. | 11-05-2009 |
20090272564 | METHOD OF PRODUCING CIRCUIT BOARD BY ADDITIVE METHOD, AND CIRCUIT BOARD AND MULTILAYER CIRCUIT BOARD OBTAINED BY THE METHOD - An object of an aspect of the present invention is to provide a method of producing a circuit board that allows highly accurate preservation of the circuit profile and gives a circuit having a desired depth in preparation of a fine circuit by additive process. | 11-05-2009 |
20110247860 | METHOD OF PRODUCING CIRCUIT BOARD, AND CIRCUIT BOARD OBTAINED USING THE MANUFACTURING METHOD - One aspect of the present invention resides in a method of producing a circuit board, including a film-forming step of forming a resin film on a surface of an insulative substrate; a circuit pattern-forming step of forming a circuit pattern portion by forming a recessed portion having a depth equal to or greater than a thickness of the resin film, with an outer surface of the resin film serving as a reference; a catalyst-depositing step of depositing a plating catalyst or a precursor thereof on a surface of the circuit pattern portion and a surface of the resin film; a film-separating step of removing the resin film from the insulative substrate; and a plating step of forming an electroless plating film only in a region where the plating catalyst or the precursor thereof remains after the resin film is separated. | 10-13-2011 |
20110281138 | METHOD OF MOUNTING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE OBTAINED USING THE METHOD,METHOD OF CONNECTING SEMICONDUCTOR CHIPS, THREE-DIMENSIONAL STRUCTURE IN WHICH WIRING IS PROVIDED ON ITS SURFACE, AND METHOD OF PRODUCING THE SAME - One aspect of the present invention is a method of mounting a semiconductor chip having: a step of forming a resin coating on a surface of a path connecting a bonding pad on a surface of a semiconductor chip and an electrode pad formed on a surface of an insulating base material; a step of forming, by laser beam machining, a wiring gutter having a depth that is equal to or greater than a thickness of the resin coating along the path for connecting the bonding pad and the electrode pad; a step of depositing a plating catalyst on a surface of the wiring gutter; a step of removing the resin coating; and a step of forming an electroless plating coating only at a site where the plating catalyst remains. Another aspect of the present invention is a three-dimensional structure in which a wiring is formed on a surface, wherein, on the surface of the three-dimensional structure, a recessed gutter for wiring is formed, extending between mutually intersecting adjacent faces of the three-dimensional structure, and wherein at least a part of a wiring conductor is embedded in the recessed gutter for wiring. | 11-17-2011 |
20120206891 | CIRCUIT BOARD, AND SEMICONDUCTOR DEVICE HAVING COMPONENT MOUNTED ON CIRCUIT BOARD - A circuit board H | 08-16-2012 |
20120285736 | METHOD OF PRODUCING CIRCUIT BOARD BY ADDITIVE METHOD, AND CIRCUIT BOARD AND MULTILAYER CIRCUIT BOARD OBTAINED BY THE METHOD - The present invention relates to a method of producing a multilayer circuit board including: a film-forming step of forming a swellable resin film on the surface of an insulative substrate, a circuit groove-forming step of forming circuit grooves having a depth equal to or greater than the thickness of the swellable resin film on the external surface of the film, a catalyst-depositing step of depositing a plating catalyst or the precursor thereof on the surface of the circuit grooves and the surface of the swellable resin film, a film-separating step of swelling the swellable resin film with a particular liquid and then separating the swollen resin film from the insulative substrate surface, and a plating processing step of forming an electrolessly plated film only in the region where the plating catalyst or the plating catalyst formed from the plating catalyst precursor remains unseparated after separation of the film. | 11-15-2012 |
20120292083 | METHOD OF PRODUCING CIRCUIT BOARD BY ADDITIVE METHOD, AND CIRCUIT BOARD AND MULTILAYER CIRCUIT BOARD OBTAINED BY THE METHOD - The present invention relates to a method of producing a circuit board, comprising: a film-forming step of forming a resin film on the surface of an insulative substrate; a circuit groove-forming step of forming circuit grooves having a depth equal to or greater than the thickness of the resin film on the external surface of the resin film; a catalyst-depositing step of depositing a plating catalyst or the precursor thereof on the surface of the circuit grooves on the insulative substrate and the surface of the resin film; a film-removing step of removing the resin film; and a plating processing step of electroless-plating the insulative substrate after removal of the resin film, wherein a partial reinforcing structure is formed in a region of the circuit groove in the circuit groove-forming step. | 11-22-2012 |
20130056247 | WIRING METHOD, STRUCTURE HAVING WIRING PROVIDED ON SURFACE, SEMICONDUCTOR DEVICE, WIRING BOARD, MEMORY CARD, ELECTRIC DEVICE, MODULE AND MULTILAYER CIRCUIT BOARD - A wiring method is provided in which an insulating layer is formed on a surface of a semiconductor device | 03-07-2013 |
20130200522 | METHOD OF MOUNTING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE OBTAINED USING THE METHOD, METHOD OF CONNECTING SEMICONDUCTOR CHIPS, THREE-DIMENSIONAL STRUCTURE IN WHICH WIRING IS PROVIDED ON ITS SURFACE, AND METHOD OF PRODUCING THE SAME - A method of mounting a semiconductor chip includes: forming a resin coating on a surface of a path connecting a bonding pad on a surface of a semiconductor chip and an electrode pad formed on a surface of an insulating base material; forming, by laser beam machining, a wiring gutter having a depth that is equal to or greater than a thickness of the resin coating along the path for connecting the bonding pad and the electrode pad; depositing a plating catalyst on a surface of the wiring gutter; removing the resin coating; and forming an electroless plating coating only at a site where the plating catalyst remains. | 08-08-2013 |
20130265729 | ELECTRONIC COMPONENTS ASSEMBLY - The present invention relates to electronic components assembly for electrically connecting electronic components to each other, wherein a wiring formed on a surface of a first electronic component and a wiring formed on a surface of a second electronic component face each other, and are bonded to each other with an electric conductor interposed therebetween, so as to electrically connect the first electronic component and the second electronic component. The electric conductor is a resin composition containing solder or conductive filler. | 10-10-2013 |
20130319735 | METAL-CLAD LAMINATE AND PRINTED WIRING BOARD - A metal-clad laminate of the present invention comprises an insulating layer, and a metal layer that is present at least on one surface side of the insulating layer. The insulating layer is a laminate of at least three layers: a center layer, a first resin layer that is present on one surface side of the center layer, and a second resin layer that is present on the other surface side of the center layer. The center layer, the first resin layer and the second resin layer each contain a cured product of a respective resin composition. The elastic modulus of the cured product of the resin composition contained in the center layer is lower than the elastic moduli of both the cured product of the resin composition contained in the first resin layer and the cured product of the resin composition contained in the second resin layer. | 12-05-2013 |
20130337188 | RESIN COMPOSITION AND METHOD FOR PRODUCING CIRCUIT BOARD - The present invention relates to a resin composition which includes a copolymer consisting of a first monomer containing a monomer unit having at least one carboxyl group and a second monomer copolymerizable with the first monomer, and also includes an ultraviolet absorber. The resin composition used is a resin composition for which, when ∈1 represents an absorbance coefficient per unit weight of a resin film | 12-19-2013 |
20140090876 | METHOD OF MOUNTING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE OBTAINED USING THE METHOD, METHOD OF CONNECTING SEMICONDUCTOR CHIPS, THREE-DIMENSIONAL STRUCTURE IN WHICH WIRING IS PROVIDED ON ITS SURFACE, AND METHOD OF PRODUCING THE SAME - A three-dimensional structure in which a wiring and a pad part are provided on a surface is provided. A recessed gutter for wiring and a hole for the pad part having a depth that is greater than a thickness of the recessed gutter for wiring are provided on the surface of the three-dimensional structure. The hole for the pad part is provided in succession with the recessed gutter for wiring. At least a part of a wiring conductor is embedded in the recessed gutter for wiring and in the hole for the pad part. | 04-03-2014 |
20140097004 | METHOD OF MOUNTING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE OBTAINED USING THE METHOD, METHOD OF CONNECTING SEMICONDUCTOR CHIPS, THREE-DIMENSIONAL STRUCTURE IN WHICH WIRING IS PROVIDED ON ITS SURFACE, AND METHOD OF PRODUCING THE SAME - A three-dimensional structure in which a wiring is provided on a surface is provided. At least a part of the surface of the three-dimensional structure includes an insulating layer containing filler. A recessed gutter for wiring is provided on the surface of the three-dimensional structure, and at least a part of a wiring conductor is embedded in the recessed gutter for wiring. | 04-10-2014 |
20140182887 | THREE-DIMENSIONAL STRUCTURE FOR WIRING FORMATION - One aspect of the present invention is a three-dimensional structure that has a concave-convex form including a gutter for wiring having at least partially a width of 20 μm or less, wherein at least a part of a wiring conductor is embedded in the gutter for wiring, and a wiring that extends in such a manner as to creep along the concave-convex form is provided. | 07-03-2014 |
20140183751 | THREE-DIMENSIONAL STRUCTURE IN WHICH WIRING IS PROVIDED ON ITS SURFACE - One aspect of the present invention is a three-dimensional structure in which a wiring is formed on a surface, the three-dimensional structure having an insulating resin layer that contains a filler formed from at least one element selected from typical non-metal elements and typical metal elements, wherein a recessed gutter for wiring is formed on a surface of the insulating resin layer, and at least a part of a wiring conductor is embedded in the recessed gutter for wiring. | 07-03-2014 |
20140191406 | MANUFACTURING METHOD FOR SEMICONDUCTOR PACKAGE, SEMICONDUCTOR PACKAGE, AND SEMICONDUCTOR DEVICE - One aspect of the present invention resides in a manufacturing method for a semiconductor package, including a covering step of forming a covering insulating layer that covers the surface of a semiconductor element, a film-forming step of forming a resin film on the surface of the covering insulating layer, a circuit pattern-forming step of forming a circuit pattern portion including recesses reaching the surfaces of electrodes of the semiconductor element and a circuit groove having a desired shape and a desired depth, a catalyst-depositing step of depositing a plating catalyst or a precursor thereof on the surface of the circuit pattern portion, a film-separating step of separating the resin film from the covering insulating layer, and a plating processing step of forming a circuit electrically connected to the electrodes, by applying electroless plating to the covering insulating layer, from which the resin film is separated. | 07-10-2014 |
20150034366 | CIRCUIT BOARD - One aspect of the present invention relates to a circuit board including an insulating base substrate; and a circuit layer that is formed of a conductor and that is provided on the surface of the insulating base substrate, wherein the insulating base substrate has a smooth surface having a surface roughness Ra of 0.5 μm or less, and the conductor is at least partially embedded in a wiring groove formed in the surface of the insulating base substrate. | 02-05-2015 |
20150035202 | MANUFACTURING METHOD OF MOLDED ARTICLE - The present invention relates to a manufacturing method of a molded article, including: a molded article forming step of forming a molded article by curing a resin composition on a main surface, on the side of a bendable first supporting medium, of a laminated supporting medium obtained by laminating the first supporting medium and a second supporting medium that is harder than the first supporting medium; a second-supporting medium peeling step of peeling the second supporting medium from the first supporting medium after the molded article forming step; and a first-supporting medium peeling step of peeling the first supporting medium from the molded article while bending the first supporting medium after the second-supporting medium peeling step. The shape of the first supporting medium can be maintained at a curing temperature at which the resin composition is cured in the molded article forming step. | 02-05-2015 |
20150037589 | RESIN COMPOSITION, RESIN VARNISH, PREPREG, METAL-CLAD LAMINATED BOARD AND PRINTED WIRING BOARD - The present invention relates to a resin composition that becomes a cured product that exhibits force response behavior such that an area surrounded by a tensile stress-strain curve f1(x), when an amount of strain is increased from 0% to 0.3% by pulling at 999 μm/min while plotting the amount of strain on the x axis and tensile stress on the y axis, and also surrounded by the x axis, is greater than an area surrounded by a stress-strain curve f2(x), when the amount of strain is decreased from 0.3%, and also surrounded by the x axis, and the amount of change in the amount of strain when tensile stress is 0, before and after applying tensile stress, is 0.05% or less. | 02-05-2015 |