Patent application number | Description | Published |
20090250251 | Circuit Device and Method for Manufacturing the Circuit Device - In a circuit device where a wiring layer, an insulating resin and a circuit element are stacked together in such a manner as to embed a bump structure into the insulating resin, the connection reliability between the bump structure and the circuit element is enhanced. | 10-08-2009 |
20100264552 | CIRCUIT DEVICE, METHOD OF MANUFACTURING THE CIRCUIT DEVICE, DEVICE MOUNTING BOARD AND SEMICONDUCTOR MODULE - A circuit device includes an insulating base provided with a resin layer mixed with a fibrous filler, bumps provided in the insulating base and functioning as electrodes for connection, a semiconductor device that is flip-chip mounted, and an underfill filling a gap between the semiconductor device and the insulating base. By allowing the fibrous filler projecting through the top surface of the resin layer to be in contact with the underfill, strength of adhesion between the underfill and the insulating base is improved. | 10-21-2010 |
20100288550 | ELEMENT MOUNTING SUBSTRATE AND METHOD OF FABRICATING THE SAME, CIRCUIT DEVICE AND METHOD OF FABRICATING THE SAME, AND MOBILE APPLIANCE ( as amended - There has been such a problem that conventional element mounting substrates and circuit devices using such substrates are not easily thinned, as there is a wiring layer formed on each of the substrates and that a part of the wiring layer is protruded and used as a bump electrode. In an element mounting substrate of this invention and a circuit device using such substrate, a through hole is arranged on an insulating base material, and a wiring layer is protruded from the surface of the insulating base material through the through hole. The protruding section of the wiring layer is used as a bump electrode, and a semiconductor element is mounted on the insulating base material. With such structure, the element mounting substrate is thinned, and the circuit device using such substrate is also thinned. | 11-18-2010 |
20100323498 | Circuit Device and Method of Manufacturing Thereof - A circuit device of preferred embodiments of the present invention includes: a circuit element with electrodes formed in a peripheral part thereof; connecting portions connected to surfaces of the electrodes; and redistribution lines which are continuous to the respective connecting portions and extended in parallel to the main surface of the circuit element. In preferred embodiments of the present invention, the connecting portions and the redistribution lines are integrally formed of one piece of metal. Accordingly, there is no place where different materials are connected in a portion between the connecting portions and the redistribution lines, thus improving a joint reliability of the entire device against a thermal stress or the like. | 12-23-2010 |
20110074025 | SEMICONDUCTOR MODULE, METHOD OF MANUFACTURING SEMICONDUCTOR MODULE, AND MOBILE DEVICE - An electrode for a semiconductor device is formed on the mounting surface (particularly, the outer periphery thereof) of a semiconductor substrate in a semiconductor module. In order to secure a large gap between the electrodes, an insulating layer is formed on the electrode. Also formed are a plurality of bumps penetrating the insulating layer and connected to the electrode, and a rewiring pattern integrally formed with the bumps. The rewiring pattern includes a bump area and a wiring area extending contiguously with the bump area. The insulating layer is formed to have a concave upper surface in an interval between the bumps, and the wiring area of the rewiring pattern is formed to fit that upper surface. The wiring area of the rewiring pattern is formed to be depressed toward the semiconductor substrate in relation to the bump area of the rewiring pattern. | 03-31-2011 |
20110180933 | SEMICONDUCTOR MODULE AND SEMICONDUCTOR MODULE MANUFACTURING METHOD - A wiring layer is formed on a substrate, and a semiconductor device is mounted on the substrate. The wiring layer and the semiconductor device are sealed by a sealing resin. A conductive member is used to fill a through hole formed in the sealing resin in a predetermined position of the wiring layer and is provided so as to cover over the sealing resin. The metal foil is provided on the upper surface of the conductive member, and the metal foil and the wiring layer are electrically connected via the conductive member. | 07-28-2011 |
20120098137 | ELEMENT MOUNTING SUBSTRATE AND SEMICONDUCTOR MODULE - Conventional printed circuit boards had a problem of being inferior in heat-radiation characteristic, and metal-core printed circuit boards adopted to improve the heat-radiation characteristic had problems in having low rigidity and a tendency to bend. The ductility of the metal can be obstructed, and the metal protected; by covering substantially the whole area of the front and back sides of the metal core, consisting of metal as the main material, with a first ceramic film and a second ceramic film that obstruct the ductility of the aforementioned metal-core; and covering each of the ceramic films with insulated resin films, to cover the fragility of these ceramics. | 04-26-2012 |
Patent application number | Description | Published |
20100112760 | SEMICONDUCTOR MODULE INCLUDING CIRCUIT COMPONENT AND DIELECTRIC FILM, MANUFACTURING METHOD THEREOF, AND APPLICATION THEREOF - Multiple semiconductor device components and passive device components fixed to a substrate are embedded within an electroconductive-film/insulating-resin-film structure, and are thermally bonded to an insulating resin film. | 05-06-2010 |
20100139088 | METHOD OF MANUFACTURING THE CIRCUIT APPARATUS, METHOD OF MANUFACTURING THE CIRCUIT BOARD, AND METHOD OF MANUFACTURING THE CIRCUIT DEVICE - A circuit board and a circuit apparatus using the same which can prevent displacement and film exfoliation ascribable to thermal expansion, and suppress a drop in reliability at increasing temperatures. The circuit board of the circuit apparatus includes a metal substrate having pierced holes as a core member. Protrusions are formed on the top ends of the pierced holes, and depressions are formed in the bottom ends of the pierced holes. Wiring pattern layers are formed on both sides of this metal substrate via respective insulating layers. In order to establish electrical connection between the wiring pattern layers, a conductor layer which connects the wiring pattern layers is formed through the metal substrate via the pierced holes. The conductor layer thereby establishes electrical conduction between the wiring pattern layers. Furthermore, a semiconductor chip is directly connected to the surface side of the circuit board via solder balls. | 06-10-2010 |
20110011829 | Device Mounting Board - A device mounting board on which a device is mounted is provided with a substrate and an insulating film provided on one surface of the substrate. The substrate and the insulating film include glass fiber impregnated with epoxy resin. The epoxy resin impregnation ratio of the glass fiber included in the insulating resin film is higher than that of the glass fiber included in the substrate. | 01-20-2011 |
Patent application number | Description | Published |
20090321119 | DEVICE MOUNTING BOARD, SEMICONDUCTOR MODULE, MOBILE DEVICE, AND MANUFACTURING METHOD OF DEVICE MOUNTING BOARD - A device mounting board is provided with: a substrate structural unit including a substrate made of a composition containing amorphous silicon, a first adhesive layer provided on one of the main surfaces of the substrate, and a second adhesive layer provided on the other main surface of the substrate; a first wiring layer provided on the main surface of the first adhesive layer on the opposite side from the substrate; a second wiring layer provided on the main surface of the second adhesive layer on the opposite side from the substrate; and a via conductor, which is provided in a via hole that penetrates the substrate, the first adhesive layer, and the second adhesive layer, which electrically connects the first wiring layer and the second wiring layer. | 12-31-2009 |
20100244171 | SEMICONDUCTOR MODULE AND CAMERA MODULE MOUNTING SAID SEMICONDUCTOR MODULE - A semiconductor module includes a lower wiring substrate having a semiconductor device mounted and an upper wiring substrate having an opening in a position corresponding to the semiconductor device and having a packaging-component mountable region around the opening. The lower wiring substrate and the upper wiring substrate are electrically connected to each other via a plurality of solder balls provided around the semiconductor device. The solder balls are covered with light blocking under-fills. | 09-30-2010 |
20110193222 | SEMICONDUCTOR MODULE, METHOD FOR FABRICATING THE SEMICONDUCTOR MODULE, AND MOBILE APPARATUS - A semiconductor module manufacturing method includes a step of bonding a semiconductor wafer, which has a plurality of semiconductor elements each of which has an element electrode formed thereon, on an expansible first insulating resin layer; a step of dicing the semiconductor wafer; a step of expanding the first insulating resin layer to widen a gap between semiconductor elements; a pressure-bonding step of pressure-bonding a metal plate whereupon an electrode is arranged and the semiconductor elements with the widened gaps in between, by having a second insulating resin layer in between, and electrically connecting the electrode and the element electrodes; a step of forming a wiring layer which corresponds to each semiconductor element by selectively removing the metal plate and forming a plurality of semiconductor modules connected by the first insulating resin layer and the second insulating resin layer; and a step of separating the semiconductor modules by cutting the first insulating resin layer and the second insulating resin layer. | 08-11-2011 |
Patent application number | Description | Published |
20080197482 | SEMICONDUCTOR MODULE, PORTABLE DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR MODULE - A semiconductor module is provided, which is capable of suppressing the deterioration of reliability and improving heat radiation. The semiconductor module includes: a semiconductor substrate in which electrodes of a circuit element are formed on its surface; a re-wiring pattern connected to the electrodes to ensure large pitch of the electrodes; an electrode integrally formed with the re-wiring pattern; an insulating layer formed on a rear surface of the semiconductor substrate; a radiator formed on the insulating layer; and projections integrally formed with the radiator and penetrating the insulating layer to connect to the rear surface of the semiconductor substrate. | 08-21-2008 |
20080217769 | SEMICONDUCTOR MODULE, METHOD OF MANUFACTURING SEMICONDUCTOR MODULE, AND MOBILE DEVICE - An electrode for a semiconductor device is formed on the mounting surface (particularly, the outer periphery thereof) of a semiconductor substrate in a semiconductor module. In order to secure a large gap between the electrodes, an insulating layer is formed on the electrode. Also formed are a plurality of bumps penetrating the insulating layer and connected to the electrode, and a rewiring pattern integrally formed with the bumps. The rewiring pattern includes a bump area and a wiring area extending contiguously with the bump area. | 09-11-2008 |
20090057903 | Semiconductor module, method for manufacturing semiconductor modules, semiconductor apparatus, method for manufacturing semiconductor apparatuses, and portable device - Cost is suppressed and a semiconductor module is made thinner. The semiconductor is of a structure where a semiconductor element is embedded in a recess formed in a wiring substrate. A substrate electrode provided around the recess and an element electrode are electrically connected through a wiring formed integrally with bumps. | 03-05-2009 |
20090183906 | SUBSTRATE FOR MOUNTING DEVICE AND METHOD FOR PRODUCING THE SAME, SEMICONDUCTOR MODULE AND METHOD FOR PRODUCING THE SAME, AND PORTABLE APPARATUS PROVIDED WITH THE SAME - A substrate for mounting a device includes: an insulating resin layer made of an insulating resin; a wiring layer provided on one major surface of the insulating resin layer; and a projected portion that projects toward the direction opposite to the insulating resin layer from the wiring layer, and that is used for supporting a low-melting metal ball, while being connected to the wiring layer electrically. The wiring layer and the projected portion are formed into one body. | 07-23-2009 |
20110158273 | SEMICONDUCTOR LASER DEVICE, OPTICAL PICKUP DEVICE AND SEMICONDUCTOR DEVICE - A semiconductor laser device includes a Si(100) substrate in which a recess having an opening and a bottom face surrounded by inner wall surfaces is formed, a semiconductor laser element placed on the bottom face, and a translucent sealing glass, mounted on top of the Si(100) substrate, which seals the opening. The laser light emitted from the semiconductor laser element is reflected by a metallic reflective film formed on the inner wall surface and then transmits through the sealing glass so as to be emitted externally. | 06-30-2011 |
20130206821 | METAL BONDING METHOD - After a first coating portion formed on a bonding face of a first bonding portion and a second coating portion formed on a bonding face of a second bonding portion are removed by reverse sputtering, copper sputtering is performed to form first and second copper films. The gap between the oxide film on the outermost face of the first copper film and the oxide film on the outermost face of the second copper film is filled with a solution into which copper oxide can be eluted, thereby eluting copper oxide contained in the oxide film in the solution. By applying pressure and heat, the components contained in the solution are removed except for copper, thereby bonding the outermost face of the first copper film and the outermost face of the second copper film to each other by means of copper solid-phase diffusion. | 08-15-2013 |