摘要:
Disclosed herein are a printed circuit board and a fabrication method thereof, which can improve electrical properties, shorten processing time, and reduce the thickness of a chip package by achieving an ultra-thin fine circuit pattern. The printed circuit board includes an insulating material; a via-hole formed in a given location of the insulating material; a copper seed layer formed through ion beam surface treatment and vacuum deposition on the surface of the insulating material having the via-hole formed therein; and a copper pattern plating layer formed on a given region of the insulating material, which has the copper seed layer formed thereon, and in the via-hole.
摘要:
A vertical GaN-based LED is provided. The vertical GaN-based LED includes: an n-electrode; an n-type GaN layer formed under the n-electrode; an active layer formed under the n-type GaN layer; a p-type GaN layer formed under the active layer, the p-type GaN layer having a first uneven structure formed on a surface that does not contact the active layer; a p-type reflective electrode formed under the p-type GaN layer having the first uneven structure; and a support layer formed under the p-type reflective electrode.
摘要:
Included herein is an instrument component for mounting to the body of an instrument having strings, for example a guitar. The instrument component comprises a plurality of attachment devices, an elongated bracket, and a biasing element. The elongated bracket includes a plurality of attachment apertures where each aperture includes a center and is shaped to accept one of the attachment devices. A biasing element is positioned in each attachment aperture wherein each biasing element engages one of the attachment devices. Each biasing element includes a plurality of protrusions wherein each protrusion biases the attachment device toward the center of the attachment aperture.
摘要:
Provided are a hetero-junction bipolar transistor (HBT) that can increase data processing speed and a method of manufacturing the hetero-junction bipolar transistor. The HBT includes a semi-insulating compound substrate, a sub-collector layer formed on the semi-insulating compound substrate, a pair of collector electrodes disposed at a predetermined distance apart from each other on a predetermined portion of the sub-collector layer, a collector layer and a base layer disposed between the collector electrodes, a pair of base electrodes disposed at a predetermined distance apart from each other on a predetermined portion of the base layer, an emitter layer stack disposed between the base electrodes, and an emitter electrode that is formed on the emitter layer stack, and includes a portion having a line width wider than the line width of the emitter layer stack, wherein both sidewalls of the emitter electrode are respectively aligned with inner walls of the pair of base electrodes, and sidewalls of the collector layer and the base layer are located between outer sidewalls of the pair of base electrodes of the pair of base electrodes.
摘要:
A hinge assembly for a door of a laundry device is disclosed. A hinge assembly for a door of a laundry device which has a bracket fixed to a cabinet and a hinge arm having a first end rotatably connected to the bracket and a second end connected to a door, wherein at least two fastening holes fastened to the cabinet by a fastening unit are formed on an upper end portion and a lower end portion of the bracket, and the fastening holes of the lower end portion are formed at the same height. The fastening holes of the upper end portion are formed at the same height. An object of the present invention is to provide a hinge assembly for a door of a laundry device which can prevent damage or deformity thereof by dispersing the load of the door to each fastening portion of a hinge assembly.
摘要:
A method for water supply in a laundry device is disclosed. An object of the present invention is to provide a method for water supply in a laundry device which prevents detergent from remaining/being stuck in/to a dispenser body by discharging detergent/wash water more smoothly. A method for water supply in a laundry device includes (a) step for supplying water; (b) step for temporarily stopping water supply for a predetermined time in the middle of the water supply; and (c) step for re-starting water supply after the predetermined time and finishing water supply to a predetermined water level.
摘要:
Provided is a dielectric waveguide filter. The filter includes: a multi-layered structure of dielectric substrates having first and second ground planes at its top and bottom; first, second, and third waveguide resonators disposed at multiple layers within the multi-layered structure; converters for signal transition between input/output ports and the first and third waveguide resonators; first vias for forming the first, second, and third waveguide resonators; and second vias disposed at a boundary surface of the first waveguide resonator and the third waveguide resonator.
摘要:
The present invention relates to a single body washing machine and dryer device, and more particularly, to a washing machine component and dryer component which are fabricated as a single body to enable the combination washing machine component and the dryer component to perform drying functions using a single heater that is shared between the two components. The single body washing machine and dryer device includes a cabinet for forming an inside space, a tub on one side of the inside space of the cabinet, a washing and drying combination drum rotatably mounted in the tub, a drying drum rotatably mounted on the other side of the inside space of the cabinet, and a heater for supplying hot air to the drying drum or the washing and drying combination drum selectively, or at the same time.
摘要:
A method for controlling a peripheral system (or a plurality of peripheral devices) and a fuel cell system using the same. The method includes: allocating an operation priority to the peripheral devices; storing information of the operation priority; and sequentially operating the peripheral devices by using electric energy stored in a small capacity electricity storage device according to the operation priority. The fuel cell system includes: the plurality of peripheral devices; an electricity storage device electrically connected with the peripheral devices; and a controller for sequentially operating the peripheral devices by using electric energy stored in the electricity storage device according to an operation priority.
摘要:
A nitride-based semiconductor LED includes a substrate; an n-type nitride semiconductor layer formed on the substrate; an active layer and a p-type nitride semiconductor layer that are sequentially formed on a predetermined region of the n-type nitride semiconductor layer; a transparent electrode formed on the p-type nitride semiconductor layer; a p-electrode pad formed on the transparent electrode, the p-electrode pad being spaced from the outer edge line of the p-type nitride semiconductor layer by 50 to 200 μm; and an n-electrode pad formed on the n-type nitride semiconductor layer.