Abstract:
A light-emitting device includes a substrate, a reflecting layer formed on the substrate, a light-emitting element placed on the reflecting layer, and a sealing resin layer that covers the reflecting layer and the light-emitting element. The oxygen permeability of the sealing resin layer is equal to or lower than 1200 cm3/(m2·day·atm), and the ratio of the area of the reflecting layer covered by the sealing resin layer to the entire area on the resin substrate covered by the sealing resin layer is between 30% and 75% inclusive.
Abstract:
Provide are an electrode sensor and a method of fabricating the same. the method may include providing a substrate with a first electrode, forming a resist layer on the substrate to cover the first electrode, patterning the resist layer to expose a portion of the first electrode, forming an insulating layer on the substrate, removing the insulating layer on the resist layer and the resist layer to form a well in the insulating layer, and forming a second electrode in the well to be electrically connected to the first electrode. According to the method, it is possible to prevent the first electrode from being damaged. In addition, the second electrode may be configured have an increased surface area, and thus, the electrode can have low impedance.
Abstract:
A packaging substrate includes an insulating layer, a wiring layer and a solder mask. The insulating layer and the solder mask being arranged on two opposite sides of the wiring layer. The insulating layer defines a via hole. The wiring layer covers the via hole. The wiring layer includes a pad area. Two sides of the pad area are respectively exposed outside from the solder mask and in the via hole.
Abstract:
The invention relates to a printed circuit board (10), with conductor tracks (11, 11a), which are arranged at least on a surface of the printed circuit board (10) and serve for the electrical contacting of components, and with at least one testing zone (12), which is formed by a portion of the conductor track (11) and serves for the electrical contacting of a testing element (20), in particular a testing head, wherein the surface of the printed circuit board (10) is provided with a protective layer (14), which is formed in the testing zone (12) such that it is interrupted in the region of a contact zone (15), and wherein the contact zone (15) is provided with a layer (18), which establishes an electrical contacting of the testing element (20) with the layer (18). According to the invention, it is provided that the contact zone (15) is arranged at least partially at a lateral distance from the edges of the conductor track (11) in the region of the testing zone (12).
Abstract:
The present invention provides a solder-mounted board which realizes reliable mounting of a component thereon; a method for producing the board; and a semiconductor device. The solder-mounted board includes a substrate; a wiring layer; a solder pad for mounting a component by the mediation of the solder; and an insulating layer which covers the wiring layer such that at least the solder pad is exposed, the wiring layer, the solder pad, and the insulating layer being provided on at least one surface of the substrate, wherein the insulating layer is formed of a first insulating layer provided on the substrate and the wiring layer, and a second insulating layer provided on at least a portion of the first insulating layer.
Abstract:
A flexible printed wiring member includes a flexible insulating base layer; a patterned copper layer disposed on the insulating base layer, the patterned copper layer including: a first portion including unplated copper leads; and a second portion including a plated metal layer disposed on the patterned copper layer; a first insulating cover layer disposed over the unplated copper leads in the first portion, the first insulating cover layer terminating at a first edge located proximate a boundary between the first portion and the second portion of the patterned copper layer; and a second insulating cover layer disposed over the first insulating cover layer, the second insulating cover layer terminating at a second edge located within the second portion of the patterned copper layer.
Abstract:
Disclosed herein are a printed circuit board and a method of manufacturing the same. The printed circuit board includes a base substrate; a circuit layer including a connection pad having a vertically etched upper portion and formed on the upper portion of the base substrate; a solder resist layer formed on the upper portion of the base substrate and including an opening part exposing the connection pad; and a surface treatment layer formed on the upper portion of the connection pad exposed by the opening part.
Abstract:
A light-emitting element mounting package includes a light-emitting element mounting portion that includes a plurality of wiring portions arranged interposing a predetermined gap between the wiring portions facing each other, and an insulating layer on which the light-emitting element mounting portion is mounted, wherein an upper surface of the light-emitting element mounting portion is exposed on the insulating layer, wherein cutout portions are formed on lower sides of side edges of the wiring portions and contact the insulating layer.
Abstract:
A substrate has a plurality of pads formed over one surface of a base, and an insulating film which is formed thereon and has a plurality of openings formed therein so as to expose each of the pads, wherein the openings of the insulating film are formed so that, in each pad formed at the corner of the base, among the plurality of pads, a first peripheral portion which composes a portion of the pad more closer to the corner and more distant away from the center of the base is covered by the insulating film, and so that a second peripheral portion which composes a portion of the pad more closer to the center as compared with the first peripheral portion is exposed in the opening.
Abstract:
A multilayered wiring board having a stack structure multilayered by alternately stacking a plurality of conductor layers and a plurality of resin insulation layers, wherein a solder resist is provided on at least one of a first main surface side and a second main surface side of the stack structure, a plurality of openings are formed in an outermost resin insulation layer that contacts with the solder resist, a plurality of the first main surface side connecting terminals or a plurality of the second main surface side connecting terminals being made of a copper layer as a main component and positioned in a plurality of the openings, terminal outer surfaces being positioned inwardly from an outer surface of the outermost resin insulation layer, and the solder resist extends into the plurality of openings and makes contact with an outer circumference portion of each of the terminal outer surfaces.