Patent application number | Description | Published |
20090010995 | Patch and patch preparation - The present invention aims to provide a patch and a patch preparation that do not require an acrylic polymer, and are capable of maintaining a large amount of an organic liquid component in an adhesive layer. | 01-08-2009 |
20090011617 | CONNECTION STRUCTURE BETWEEN PRINTED CIRCUIT BOARD AND ELECTRONIC COMPONENT - Each wiring pattern is composed of a conductor layer and a tin plating layer, and includes a tip portion, a connection portion and a signal transmission portion. The width of the tip portion is equal to the width of the signal transmission portion, and the width of the connection portion is smaller than the widths of the tip portion and the signal transmission portion. The connection portions of wiring patterns and bumps of an electronic component are connected to one another, respectively, by heat-sealing when the electronic component is mounted. Respective distances A | 01-08-2009 |
20090096069 | Cof board - A COF board includes an insulating layer, and a terminal portion formed on the insulating layer. The terminal portion includes a first lead extending in a longitudinal direction, and a second lead extending in the longitudinal direction, and having a smaller length in the longitudinal direction than a length of the first lead in the longitudinal direction. The first leads are arranged in spaced-apart relation in a direction perpendicular to the longitudinal direction. The second leads are arranged in the direction perpendicular to the longitudinal direction to be interposed between the mutually adjacent first leads such that, when the mutually adjacent first leads are projected in an adjacent direction thereof, overlap portions where the second leads overlap with the first leads and non-overlap portions where the second leads do not overlap with the first leads are formed. Dummy leads are provided at the non-overlap portions. | 04-16-2009 |
20090194321 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A mounting region is provided at an approximately center of one surface of an insulating layer. A conductive trace is formed so as to outwardly extend from inside of the mounting region. A cover insulating layer is formed in a periphery of the mounting region so as to cover the conductive trace. A terminal of the conductive trace is arranged in the mounting region, and a bump of an electronic component is bonded to the terminal. A metal layer made of copper, for example, is provided on the other surface of the insulating layer. A pair of slits is formed in the metal layer such that a region being opposite to the electronic component is sandwiched therebetween. Each slit is formed so as not to divide the metal layer into a plurality of regions. | 08-06-2009 |
20090195997 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A mounting region is provided at an approximately center of one surface of an insulating layer. A conductive trace is formed so as to outwardly extend from inside of the mounting region. A cover insulating layer is formed in the periphery of the mounting region so as to cover the conductive trace. A terminal of the conductive trace is arranged in the mounting region, and a bump of an electronic component is bonded to the terminal. A metal layer made of copper, for example, is provided on the other surface of the insulating layer. A slit is formed in the metal layer so as to cross a region being opposite to the electronic component and to divide the metal layer. | 08-06-2009 |
20090195998 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A mounting region having a rectangular shape is provided at an approximately center of one surface of an insulating layer. A plurality of conductive traces are formed so as to outwardly extend from the inside of the mounting region. A cover insulating layer is formed so as to cover the plurality of conductive traces in a periphery of the mounting region. An electronic component is mounted on the insulating layer so as to overlap with the mounting region. A metal layer is provided on the other surface of the insulating layer. Openings having a rectangular shape are formed in the metal layer along a pair of longer sides and a pair of shorter sides of the mounting region. The openings are opposite to part of terminals of the plurality of conductive traces, respectively, with the insulating layer sandwiched therebetween. | 08-06-2009 |
20090277667 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A mounting region is provided at a substantially center of one surface of an insulating layer. A metal layer is provided on the other surface of the insulating layer. A slit is formed to cross a region (an opposite region) of the metal layer that coincides with the mounting region and to divide the metal layer. A plurality of regions (large regions) of the metal layer divided by the slit each include a partial region (small region) of the opposite region. The area of each large region is set corresponding to the area of the small region included therein. Specifically, the small region having the area of A [%] with respect to the whole area of the opposite region is included in the large region having the area of (A±δ) [%] with respect to the whole area of the metal layer. Here, δ is an acceptable error range, and the acceptable error range δ is not more than (A×0.3). | 11-12-2009 |
20110281202 | PRINTED CIRCUIT BOARD, FUEL CELL AND METHOD OF MANUFACTURING PRINTED CIRCUIT BOARD - An FPC board, electrode films and a fuel accommodating chamber are accommodated in a casing. In the FPC board, a plurality of collector portions are joined onto a base insulating layer with an adhesive pattern sandwiched therebetween. The base insulating layer is made of porous ePTFE, and is air-permeable. Openings are formed in the collector portions. The adhesive pattern has the same shape as the plurality of collector portions. The FPC board is sandwiched by an upper surface portion and a lower surface portion of the casing while being bent along a bend portion. The electrode films are arranged between the plurality of collector portions of the FPC board. The fuel accommodating chamber is provided between the FPC board and the lower surface portion so as to come in contact with the base insulating layer. A liquid fuel is supplied to the fuel accommodating chamber. | 11-17-2011 |
20120031648 | WIRING CIRCUIT BOARD - A wiring circuit board is provided, in which a circuit wiring is substantially free from a softening phenomenon which may otherwise occur due to heat over time, and is highly durable, less brittle and substantially free from cracking. The wiring circuit board includes a substrate comprising an insulative layer, and a circuit wiring provided on the insulative layer of the substrate. The circuit wiring has a layered structure including at least three copper-based metal layers. A lowermost one and an uppermost one of the copper-based metal layers each have a tensile resistance of 100 to 400 MPa at an ordinary temperature, and an intermediate copper-based metal layer present between the lowermost layer and the uppermost layer has a tensile resistance of 700 to 1500 MPa at the ordinary temperature. | 02-09-2012 |
20120061126 | PASTE COMPOSITION AND PRINTED CIRCUIT BOARD - A conductor layer is formed on one surface of a base insulating layer. The conductor layer is composed of a pair of rectangular collector portions and drawn-out conductor portions extending in long-sized shapes from the collector portions, respectively. Cover layers are formed on the base insulating layer to cover respective given portions of the conductor layer. A paste composition containing a compound represented by the formula (1) is used as a material for the cover layer. | 03-15-2012 |
20120141840 | FUEL SUPPLY AMOUNT ADJUSTMENT FILM, PRINTED CIRCUIT BOARD, AND FUEL CELL - A base insulating layer in an FPC board is used as a fuel supply amount adjustment film for a fuel cell. The base insulating layer in the FPC board has a plurality of anisotropic through pores. The anisotropic through pores respectively has openings on one surface and the other surface of the base insulating layer. The respective openings on the one surface and the other surface of the base insulating layer communicate with each other without diverging by a single communication path. The communication path has a shape that can specify a long axis and a short axis perpendicular to the long axis. The long axis extends in a direction intersecting the one surface and the other surface of the base insulating layer at a predetermined angle. | 06-07-2012 |
20120186865 | PASTE COMPOSITION AND PRINTED CIRCUIT BOARD - A conductor layer is formed on one surface of a base insulating layer. The conductor layer includes a collector portion, and a drawn-out conductor portion extending in an elongated shape from the collector portion. A cover layer is formed on the base insulating layer to cover a predetermined portion of the conductor layer. A material for the cover layer includes a paste composition containing a compound expressed by the formula (1). | 07-26-2012 |
20120189874 | PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING THE SAME, AND FUEL CELL - A conductor layer having a predetermined pattern is formed on a base insulating layer so that its second main surface opposes the base insulating layer. A barrier layer having higher corrosion resistance to acids than that of the conductor layer is formed on its first main surface and a side surface of the conductor layer while the first main surface and the side surface of the conductor layer and the barrier layer are covered with a conductive cover layer. | 07-26-2012 |
20130174886 | CONDUCTIVE ADHESIVE SHEET AND SOLAR CELL MODULE - A conductive adhesive sheet includes a conductive adhesive layer, and a light reflective layer formed on one surface in the thickness direction of the conductive adhesive layer. | 07-11-2013 |
20130258632 | JOINING SHEET, ELECTRONIC COMPONENT, AND PRODUCING METHOD THEREOF - A joining sheet includes a solder layer which contains solder particles, a thermoplastic resin, and an active agent capable of activating the solder particles and a thermosetting resin-containing layer which is laminated on at least one surface in a thickness direction of the solder layer and contains a thermosetting resin. | 10-03-2013 |
20130277092 | JOINING SHEET, ELECTRONIC COMPONENT, AND PRODUCING METHOD THEREOF - A joining sheet contains solder particles, a thermosetting resin, a thermoplastic resin, and a blocked carboxylic acid. | 10-24-2013 |