Abstract:
PROBLEM TO BE SOLVED: To provide a fine power supply division pattern with a degree of freedom in designing which can implement division of a power supply layer into a plurality of power supply layers by patterning. SOLUTION: A substrate 20 with a built-in capacitor which accommodates multiple power supply systems has a section for separating a positive electrode and a negative electrode, which consists of a first insulation layer 23, in part of a valve action metal 21 including a porous portion, at least on the surface of which an organic polymer dielectric layer 22 is formed. The substrate has a solid-state electrolytic layer 25 formed of a conductive polymer on the dielectric layer defined by the shape of the section for separating a positive electrode and a negative electrode, and also has a collector layer 26 on the solid-state electrolytic layer. In the substrate, a metal interconnection pattern to be connected to the collector layer is formed. The metal interconnection pattern is electrically divided into a plurality of power supply layers by patterning. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To enhance the functions of equipment using a high-speed IC or LSI, and to downsize the equipment by increasing larger capacity of a solid electrolytic capacitor and the flexibility of the wirings. SOLUTION: Disclosed is the solid electrolytic capacitor which has through wirings formed at at least one or more third insulating layer portions in floating-island shapes by providing at least one or more third insulating layers in floating-island shapes formed at portions of a dielectric film, a solid electrolytic layer formed on the dielectric film at outside parts of the third insulating layers, and a current collector layer as a cathode formed on the top surface of the solid electrolytic layer, forming a second through hole penetrating the third insulating layers, the dielectric film below them, and valve metal foil 1 as an anode in some third insulating layer portion where the first insulating layer is not formed, forming a third through hole penetrating the first insulating layer in a first through hole where the first insulating layer is formed, and providing a through hole electrode in the second and third through holes. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a composite wiring board which is capable of easily forming a multilayer on an arbitrary position of a substrate, flexibly corresponding to a design change or the like, and having a cavity structure capable of three-dimensionally arranging a circuit component.SOLUTION: The composite wiring board includes: a first wiring board having a first electrical insulation base material and a wiring pattern formed on the first electrical insulation base material; a second wiring board having a second electrical insulation base material and a wiring pattern formed on the second electrical insulation wiring board and forming a cavity on at least a part of the wiring pattern; and a third electrical insulation base material including a conductive part composed of a conductive composition, obtained by mixing metal particles for adhering the first wiring board to the second wiring board in a thickness direction and electrically connecting between the wiring pattern of the first wiring board and the wiring pattern of the second wiring board, and thermosetting resin, and forming a cavity on at least a part of the conductive part.
Abstract:
PROBLEM TO BE SOLVED: To provide an electronic component built-in substrate which is kept symmetrical even in a state wherein a passive component is built in, and is free of warpage, and can achieve stable connection reliability by connecting a passive component with a material accompanied by alloy formation. SOLUTION: The electronic component built-in substrate has the passive component built in a resin substrate having a plurality of layers of wiring, wherein the passive component is arranged in an insulating layer at a center part of the plurality of layers of the electronic component built-in substrate, and connected to the wiring layer using the material making electric and mechanical connections by forming an alloy of two or more kinds of metal materials. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a miniaturized and thin electronic component package structure in which a function element is sealed in a hollow state and which can be produced also by a transfer molding method of resin sealing. SOLUTION: An electronic component package is composed of a substrate where an element having a function area and electrodes is formed on its surface, resin layers arranged over the function areas of the substrate via space, a metallic layer covering the space, and insulating resin layers formed on positions of the metallic layer which respectively correspond to the resin layers, and its structure has a feature that the elastic modulus of the resin layer is larger than that of the insulating resin layer. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an Sn-based Pb-free solder material which is usable for primary mounting of a printed circuit board (especially, a component incorporated substrate) to be mounted in a multi-stage manner, and attains compatibility between self-alignment and solder remelting suppression effect during reheating in the secondary mounting.SOLUTION: When a primary mounting chip component 108 and a primary mounting semiconductor component 111 are primarily mounted on the printed circuit board 101 through a primary mounting joint part 110, the primary mounting joint part 110 is composed of a solder part 126 made of Sn-based solder, Cu powder 120 and a Cu-Sn alloy layer 125, and further the primary mounting joint part 110 is provided with a Cu low-concentration layer 128 of less than 5 wt.% in Cu content concentration to provide the component mounting substrate 115 which attains compatibility between the self-alignment and the solder remelting suppression effect during the secondary mounting of the component mounting substrate 115 on a motherboard substrate 116 etc.
Abstract:
PROBLEM TO BE SOLVED: To provide a wiring board having a built-in electronic component, capable of improving an effect of removing a high-frequency noise flowing between anode connection terminal portions while corresponding to high capacity of a capacitor, and thinning the board. SOLUTION: In the wiring board having a built-in electronic component, connection terminal portions each include: an anode connection terminal portion electrically connected to a valve metal sheet body of a solid-state electrolytic capacitor at not less than two points via a wiring pattern and an inductor and/or a via electrode and/or a through electrode; and a cathode connection terminal portion electrically connected to a current collecting layer of the solid-state electrolytic capacitor via the wiring pattern and/or the inductor and/or the via electrode and/or the through electrode, wherein the inductor is formed in a conductor pattern shape. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To improve the effect of removing high-frequency noise flowing between anode connection terminals while meeting the need of larger capacity of a capacitor, and to make a board thin. SOLUTION: A connection terminal portion comprises: anode connection terminal portions electrically connected to a valve metal sheet body of a solid-state electrolytic capacitor at least at two or more places through a wiring pattern and inductors and/or a via electrode and/or a through electrode; a cathode connection terminal portion electrically connected to a current collector layer of the solid-state electrolytic capacitor through the wiring pattern and/or inductors and/or via electrode and/or through electrode, the inductor being formed in a conductor pattern shape. COPYRIGHT: (C)2010,JPO&INPIT