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Jun Ishii, Osaka JP

Jun Ishii, Osaka JP

Patent application numberDescriptionPublished
20080277147Wired circuit board and producing method thereof - A wired circuit board includes a metal supporting board, an insulating layer formed on the metal supporting board, and a conductive pattern formed on the insulating layer. The conductive pattern includes an underlying layer formed on the insulating layer and a conductive layer formed on the underlying layer. The underlying layer is formed with a corroded portion corroded from a side end portion of the conductive layer toward an inner portion thereof. A semiconductive layer is formed on a surface of the insulating layer and on a surface of the conductive pattern. The semiconductive layer is formed so as to come in contact with the metal supporting board and have a cut formed in the corroded portion to interrupt conduction between the semiconductive layer formed on the surface of the insulating layer and the semiconductive layer formed on a surface of the conductive layer.11-13-2008
20080278858Wired circuit board - The wired circuit board includes a metal supporting board, a metal foil formed on the metal supporting board, a first insulating layer formed on the metal supporting board so as to cover the metal foil, and a conductive pattern formed on the first insulating layer and having a plurality of wires. The metal foil is arranged along a lengthwise direction of each of the wires so as not to be opposed to part of the wires in a thickness direction and so as to be opposed to a remainder of the wires in the thickness direction.11-13-2008
20090044969Wired circuit board and connection structure between wired circuit boards - A wired circuit board includes a first wired circuit board and a second wired circuit board disposed to be opposed to the first wired circuit board in the same plane. A first opposed surface of the first wired circuit board facing the second wired circuit board and a second opposed surface of the second wired circuit board facing the first wired circuit board include at least two types of interfitting surfaces extending in different directions so as to mutually interfit the first opposed surface with the second opposed surface.02-19-2009
20090142478Wired circuit board and producing method thereof - A wired circuit board and a producing method thereof are provided which can precisely form an insulating layer and reduce transmission loss with a simple layer structure and also features excellent long-term reliability by preventing the occurrence of an ion migration phenomenon between a ground layer and a positioning mark layer, and the insulating layer to improve the adhesion therebetween and the conductivity of a conductor. A metal supporting board is prepared and a first metal thin film is formed on the metal supporting board. A resist is formed in a pattern and a ground layer and a positioning mark layer are formed on the first metal thin film exposed from the resist at the same time. A second metal thin film is formed over the ground layer and the positioning mark layer, then the resist is removed. An insulating base layer is formed on the first metal thin film including the upper surface of the second metal thin film, thereafter, a conductive pattern is formed on the insulating base layer.06-04-2009
20090183907Wired circuit board - A wired circuit board has a metal supporting board, an insulating layer formed on the metal supporting board, a conductive pattern formed on the insulating layer and having a pair of wires arranged in spaced-apart relation, and a semiconductive layer formed on the insulating layer and electrically connected to the metal supporting board and the conductive pattern. The conductive pattern has a first region in which a distance between the pair of wires is small and a second region in which the distance between the pair of wires is larger than that in the first region. The semiconductive layer is provided in the second region.07-23-2009
20090277868Producing method of wired circuit board - A producing method of a wired circuit board includes a laminating step of preparing a metal supporting board, forming an insulating base layer on the metal supporting board, forming a conductive layer including a terminal portion and a plating lead continued from the terminal portion on the insulating base layer, and forming an insulating cover layer on the insulating base layer so as to cover the conductive layer, a first etching step of etching the metal supporting board, and then etching the insulating base layer to expose the plating lead from the metal supporting board and the insulating base layer, and a second etching step of etching the exposed plating lead.11-12-2009
20090283314Wired circuit board and producing method thereof - A method for producing a wired circuit board includes the steps of integrally forming a conductive pattern, a plating lead electrically connected with the conductive pattern, and a regulation portion provided in the plating lead to regulate penetration of an etchant into the conductive pattern; and etching the plating lead with the etchant while the regulation portion regulates the penetration of the etchant into the conductive pattern.11-19-2009
20090285524Suspension board with circuit - A suspension board with circuit includes a metal supporting board including a board trench portion, an insulating base layer formed on a surface of the metal supporting board, a conductive pattern formed on a surface of the insulating base layer, and an optical waveguide provided to overlap the board trench portion when projected in a thickness direction of the metal supporting board. At least a part of the optical waveguide is positioned closer to the conductive pattern than to a back surface of the metal supporting board.11-19-2009
20090310908Suspension board with circuit - A suspension board with circuit includes a circuit board, and an optical waveguide formed on the circuit board. The circuit board is provided with a pedestal for supporting a slider. The pedestal allows the optical waveguide to be disposed so as to overlap the slider in a thickness direction of the circuit board.12-17-2009
20090310909Suspension board with circuit and producing method thereof - A suspension board with circuit includes a circuit board formed with an opening, and having a mounting portion defined by the opening for mounting thereon a slider on which a magnetic head is mounted, and an optical waveguide disposed on the circuit board so as to traverse the opening. The optical waveguide is slack in the opening.12-17-2009
20100000774Suspension board with circuit and producing method thereof - A suspension board with circuit includes a metal supporting board; an insulating base layer formed on the metal supporting board; a conductive pattern formed on the insulating base layer; an insulating cover layer formed on the insulating base layer so as to cover the conductive pattern; and an optical waveguide. The optical waveguide is provided on the metal supporting board separately from the insulating base layer, the conductive pattern, and the insulating cover layer.01-07-2010
20100002985Suspension board with circuit and producing method thereof - A suspension board with circuit includes a circuit board containing a metal supporting board, an insulating pattern formed on the metal supporting board, and a conductive pattern formed on the insulating pattern; an optical waveguide disposed on the circuit board; and a positioning portion provided on the circuit board in order to position the optical waveguide with respect to the circuit board.01-07-2010
20100002986Suspension board with circuit and producing method thereof - A suspension board with circuit includes a metal supporting board; an insulating base layer formed on the metal supporting board; a conductive pattern formed on the insulating base layer; an insulating cover layer formed on the insulating base layer so as to cover the conductive pattern; and an optical waveguide. The optical waveguide is adhered on the metal supporting board, the insulating base layer, or the insulating cover layer.01-07-2010
20100083492Suspension board with circuit and producing method thereof - A suspension board with circuit includes a circuit board containing a metal supporting board, an insulating pattern formed on the metal supporting board, and a conductive pattern formed on the insulating pattern; an optical waveguide disposed on the circuit board; and a positioning portion provided on the circuit board in order to position the optical waveguide with respect to the circuit board.04-08-2010
20100116537PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - An end of a first line and an end of a second line of a first write wiring pattern are arranged on both sides of a third line of a second write wiring pattern. Circular connection portions are provided at the ends of the first line and the second line. Through holes are formed in portions of a cover insulating layer above the connection portions, respectively. First connecting layers made of copper, for example, are formed to fill the through holes of the cover insulating layer. A substantially rectangular second connecting layer made of copper, for example, is formed to integrally cover upper ends of the connecting layers. This causes the first and second lines to be electrically connected to each other through the first and second connecting layers.05-13-2010
20100116540PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - An end of a first line and an end of a second line of a first write wiring pattern are arranged on both sides of a third line of a second write wiring pattern. Circular connection portions are provided at the ends of the first line and the second line. In addition, through holes are formed in respective portions of a base insulating layer below the connection portions. Each connection portion comes in contact with a connecting region of a suspension body within the through hole.05-13-2010
20100130886CIRCUIT BOARD FOR BODY FLUID COLLECTION - A circuit board for body fluid collection is provided with an insulating layer, a puncture needle supported by the insulating layer and a conductor pattern that integrally has an electrode which is supported by the insulating layer and brings body fluid collected by puncture of the puncture needle into contact with the board, a terminal connected to a device measuring a component of body fluid and wiring for electrically connecting the electrode and the terminal.05-27-2010
20100186227Wired circuit board and production method thereof - A wired circuit board has a metal supporting board, a metal foil formed on the metal supporting board to have a thickness of less than 2.0 μm, a first insulating layer formed on the metal supporting board to cover the metal foil, and a conductive pattern formed on the first insulating layer.07-29-2010
20100292610CIRCUIT BOARD FOR BODY FLUID COLLECTION - A circuit board for body fluid collection includes a circuit board portion including an insulating layer and a conductor pattern which is supported by the insulating layer and in which an electrode, a terminal to be connected to a device for measuring the component of a body fluid, and a wire which electrically connects the electrode and the terminal are integrally provided. The circuit board for body fluid collection comprises a puncture needle for extracting the body fluid by performing puncturing, which is formed integrally with the circuit board portion and which is protruded from the circuit board portion, and a guard portion for guarding the tip of the puncture needle, which is arranged in opposition to the puncture needle in the lower flow side in the puncture direction of the puncture needle.11-18-2010
20110048785Wired circuit board and producing method thereof - A wired circuit board includes a metal supporting layer, an insulating layer formed on the metal supporting layer, and a conductive layer formed on the insulating layer. In the metal supporting layer, a reference hole for positioning is formed, and a stepped portion is formed so as to surround the reference hole.03-03-2011

Patent applications by Jun Ishii, Osaka JP