摘要:
A wiring board for high-frequency signals, which comprises, a substrate, a dielectric layer formed on the substrate and provided on its surface with a U-shaped groove having an arcuate bottom for forming a wiring therein, and a signal wiring formed in the U-shaped groove, which is featured in that an upper end portion of the signal wiring is protruded out of the surface of the dielectric layer. A distance (H) from a protruded top surface of the signal wiring to a bottom of the U-shaped groove and a width (W) of the U-shaped groove preferably meet a relationship of 2
摘要:
Provided is an optical semiconductor device includes: a light-emitting layer having a first main surface, a second main surface opposed to the first main surface, a first electrode and a second electrode which are formed on the second main surface; a fluorescent layer provided on the first main surface; a light-transmissive layer provided on the fluorescent layer and made of a light-transmissive inorganic material; a first metal post provided on the first electrode; a second metal post provided on the second electrode; a sealing layer provided on the second main surface so as to seal in the first and second metal posts with one ends of the respective first and second metal posts exposed; a first metal layer provided on the exposed end of the first metal post; and a second metal layer provided on the exposed end of the second metal post.
摘要:
A semiconductor device capable of elevating a yield rate of products to improve the productivity and also ensuring high reliability in production and a manufacturing method of the semiconductor device are provided. The semiconductor device includes a semiconductor substrate 2, a MEMS part 3 formed on a surface of the semiconductor substrate 2 and a cap part arranged at a distance from the MEMS part 3 and also arranged on the surface of the semiconductor substrate 2 so as to cover the MEMS part 3. In the semiconductor device, the cap part is formed by a sidewall area E surrounding the MEMS part 3 and a top board area F having a hollow layer and also forming a closed space together with the semiconductor substrate 2 and the sidewall area E.
摘要:
According to one embodiment, an optical semiconductor device includes a light emitting layer, a transparent layer, a first metal post, a second metal post and a sealing layer. The light emitting layer includes a first and a second major surface, a first and a second electrode. The second major surface is a surface opposite to the first major surface, and the first electrode and second electrodes are formed on the second major surface. The transparent layer is provided on the first major surface. The first metal post is provided on the first electrode. The second metal post is provided on the second electrode. The sealing layer is provided on the second major surface. The sealing layer covers a side surface of the light emitting layer and seals the first and second metal posts while leaving end portions of the first and second metal posts exposed.
摘要:
An optical semiconductor device includes a light emitting element having a first surface and a second surface, the first surface having a first electrode provided thereon, the second surface being located on the opposite side from the first surface and having a second electrode provided thereon; a first conductive member connected to the first surface; a second conductive member connected to the second surface; a first external electrode connected to the first conductive member; a second external electrode connected to the second conductive member; and an enclosure sealing the light emitting element, the first conductive member, and the second conductive member between the first external electrode and the second external electrode, and being configured to transmit light emitted from the light emitting element.
摘要:
According to one embodiment, a semiconductor light emitting device includes a light emitting unit, first and second conductive members, an insulating layer, a sealing member, and an optical layer. The light emitting unit includes a semiconductor stacked body and first and second electrodes. The semiconductor stacked body includes first and second semiconductor layers and a light emitting layer, and has a major surface on a second semiconductor layer side. The first and second electrodes are connected to the first and second semiconductor layers on the major surface side, respectively. The first conductive member is connected to the first electrode and includes a first columnar portion covering a portion of the second semiconductor. The insulating layer is provided between the first columnar portion and the portion of the second semiconductor. The sealing member covers side surfaces of the conductive members. The optical layer is provided on the other major surface.
摘要:
According to one embodiment, a light-emitting unit which emits light, a wavelength conversion unit which includes a phosphor and which is provided on a main surface of the light-emitting unit, and a transparent resin which is provided on top of the wavelength conversion unit, are prepared. The transparent resin has a greater modulus of elasticity and/or a higher Shore hardness than the wavelength conversion unit.
摘要:
A semiconductor light-emitting device includes a laminated body that is configured to emit light from a main surface thereof, first and second electrodes, each disposed on a surface of the laminated body that is opposite the main surface, a first terminal that is electrically coupled to the first electrode, has a concave edge but not a convex edge, and has at most three exposed sides, and a second terminal that is electrically coupled to the second electrode, has a concave edge but not a convex edge, and has at most three exposed sides.
摘要:
According to an embodiment, a semiconductor light emitting device includes a stacked body, first and second electrodes, first and second interconnections, first and second pillars and a first insulating layer. The stacked body includes first and second semiconductor layers and a light emitting layer. The first and second electrodes are connected to the first and second semiconductor layers respectively. The first and second interconnections are connected to the first and second electrode respectively. The first and second pillars are connected to the first and second interconnections respectively. The first insulating layer is provided on the interconnections and the pillars. The first and second pillars have first and second monitor pads exposed in a surface of the first insulating layer. The first and second interconnections have first and second bonding pads exposed in a side face connected with the surface of the first insulating layer.
摘要:
According to one embodiment, an optical semiconductor device includes a light emitting layer, a transparent layer, a first metal post, a second metal post and a sealing layer. The light emitting layer includes a first and a second major surface, a first and a second electrode. The second major surface is a surface opposite to the first major surface, and the first electrode and second electrodes are formed on the second major surface. The transparent layer is provided on the first major surface. The first metal post is provided on the first electrode. The second metal post is provided on the second electrode. The sealing layer is provided on the second major surface. The sealing layer covers a side surface of the light emitting layer and seals the first and second metal posts while leaving end portions of the first and second metal posts exposed.