Abstract:
The present invention relates to a method for manufacturing a circuit board including the steps of preparing a substrate containing silicon at least at a surface, applying a paste containing aluminum particles onto the substrate, forming a conductor layer on the substrate by firing the substrate to which the paste has been applied, forming a resist film having a specific pattern on the conductor layer, and removing with an etchant, the conductor layer in a portion where the resist film has not been formed, the etchant containing fluoride ions and metal ions of a metal M of which standard electrode potential is higher in value than a standard electrode potential of aluminum, and to a circuit board which can be manufactured with such a method.
Abstract:
A method of manufacturing Chip-On-Board LED substrate (100) and Surface Mount Device LED substrate (108) is provided, characterized in that, the Chip-On-Board LED substrate (100) and Surface Mount Device LED substrate (108) includes a fine-patterned thick film, the method includes the steps of forming a glass based dielectric layer (103, 111) on a metal plate (101, 109), firing the glass based dielectric layer (103,111), applying a metal based conductor (104, 113) over the dielectric layer (103,111), drying the metal based conductor layer (104,113), firing the glass and metal layers (103, 104, 111,113) producing a thick film and positioning LED die (105) into pockets between circuits for Chip-on-Board application and soldering packaged LED (114) onto the circuit, wherein the method allows for consolidation of thick film and bonding to substrate (100, 108).
Abstract:
A method of fabricating a capacitance touch panel module includes forming a plurality of first conductive patterns on a substrate comprising a touching area and a peripheral area along a first orientation, a plurality of second conductive patterns along a second orientation, and a plurality of connecting portions in the touching area; forming a plurality of insulated protrusions, in which each insulated protrusion covering one connecting portion, and forming an insulated frame on the peripheral area; and forming a bridging member on each insulated protrusion.
Abstract:
A method of fabricating a capacitance touch panel module includes forming a plurality of first conductive patterns on a substrate comprising a touching area and a peripheral area along a first orientation, a plurality of second conductive patterns along a second orientation, and a plurality of connecting portions in the touching area; forming a plurality of insulated protrusions, in which each insulated protrusion covering one connecting portion, and forming an insulated frame on the peripheral area; and forming a bridging member on each insulated protrusion.
Abstract:
A printed circuit board includes a laminate substrate. The laminate substrate includes catalytic material that resists metal plating except where a surface of the catalytic material is ablated. Metal traces are formed within in trace channels within the laminate substrate. The channels extend below the surface of the catalytic material.
Abstract:
To provide a power-module substrate having a multi-layered structure which can meet higher integration by improving a performance of a power-cycle and a performance of a heat cycle: a plurality of circuit-layer metal-plates 4A to 4E, 5A, and 5B made of copper or copper alloy are bonded in a layered state intermediating a first ceramic substrate 2; a metal member 12 connecting both the circuit-layer metal-plates disposed on both surfaces of the first ceramic substrate 2 is inserted into a through hole 11 formed in the first ceramic substrate 2; a second ceramic substrate 3 is bonded on a surface of one side of the circuit-layer metal-plates 4A to 4E, 5A and 5B in the layered state; and a heat-radiation-layer metal-plate 6 made of aluminum or aluminum alloy is bonded on a surface of the second ceramic substrate 3 counter to the circuit-layer metal-plates 4A to 4E, 5A, and 5B.
Abstract:
A wiring substrate includes a substrate main body which is formed of a ceramic laminate and has a rectangular shape in plan view, and which has a front surface and a back surface and has four side surfaces, each being located between the front surface and the back surface, and having a groove surface located on a side toward the front surface and a fracture surface located on a side toward the back surface; and a metalized layer which is formed on the front surface of the substrate main body so as to extend along the four side surfaces, and which has a rectangular frame shape in plan view, wherein a horizontal surface of the ceramic laminate of the substrate main body is exposed between the metalized layer and the groove surface of each side surface of the substrate main body.
Abstract:
A method of fabricating a capacitance touch panel module includes forming a plurality of first conductive patterns on a substrate comprising a touching area and a peripheral area along a first orientation, a plurality of second conductive patterns along a second orientation, and a plurality of connecting portions in the touching area; forming a plurality of insulated protrusions, in which each insulated protrusion covering one connecting portion, and forming an insulated frame on the peripheral area; and forming a bridging member on each insulated protrusion.
Abstract:
An electrical component provides a ceramic element located on or in a dielectric substrate between and in contact with a pair of electrical conductors, wherein the ceramic element includes one or more metal oxides having fluctuations in metal-oxide compositional uniformity less than or equal to 1.5 mol % throughout the ceramic element. A method of fabricating an electrical component, provides or forming a ceramic element between and in contact with a pair of electrical conductors on a substrate including depositing a mixture of metalorganic precursors and causing simultaneous decomposition of the metal oxide precursors to form the ceramic element including one or more metal oxides.
Abstract:
The invention discloses a method of fabricating a capacitance touch panel module. The method includes providing a substrate with a touching area and a peripheral area; forming a plurality of first conductive patterns on the substrate along a first orientation, a plurality of second conductive patterns along a second orientation, and a plurality of connecting portions in the touching area; forming a plurality of insulated protrusions, in which each insulated protrusion covers one connecting portion; forming an insulated frame on the peripheral area; and forming a bridging member on each insulated protrusion.