Abstract:
The present invention relates to a mobile case. The mobile case is used as a cover for a mobile device and includes multiple vibration units (120-1 ~ 120-n). Only a part of the multiple vibration units (120-1 ~ 120-n) only vibrates at a time. The mobile case according to an embodiment of the present invention detects a call reception signal via an antenna (411) or a connector (411-1) to vibrate only the pre-set vibration units.
Abstract:
본 발명은 미세 압전 진동자를 이용한 발전 소자 및 그 패드 제조 방법에 관한 것으로, 미세 압전 진동자를 이용한 발전 소자는 하나의 관통 구멍을 구비하는 기판의 일면에 전도성 금속을 증착한 하부 전극이 형성된 하부 패드, 상기 하부 패드의 전극 위에 수직 방향으로 형성된 다수의 미세 압전 진동자, 및 하나의 관통 구멍을 구비하는 또 다른 기판의 일면에 전도성 금속을 증착한 상부 전극이 형성되고, 상기 상부 전극이 상기 미세 압전 진동자와 접촉하며 상기 하부 패드의 하부 전극과 마주하도록 평행하게 위치한 상부 패드를 포함하도록 구성될 수 있다. 상기와 같은 미세 압전 진동자를 이용한 발전 소자와 그 패드 제조 방법에 따르면, 미세 압전 진동자를 연결할 수 있는 패드 설계 기술을 구현함으로써 외부의 진동에 의해 압전 진동자에서 발생하는 전력을 효율적으로 채집할 수 있다. 또한, 발전 소자의 상하부 패드에 미세 압전 진동자와 연결되는 전극을 형성하기 전에 전기가 통하는 관통 구멍을 미리 형성함으로써, 미세 압전 진동자와 전극 사이에서 발생하는 전기 에너지가 관통 구멍을 통해 패드의 외부로 연결되어 별도의 연결 패드가 필요 없이 보다 용이하게 전력을 채집할 수 있다.
Abstract:
PURPOSE: A stacked energy harvesting apparatus using a generating device composed of micro piezoelectric vibrators and a method for manufacturing the generating device are provided to efficiently collect power by performing pad design technology to connect the micro piezoelectric vibrators. CONSTITUTION: A generating device is composed of a bottom pad (110), a plurality of micro piezoelectric vibrators (120), and a top pad (130). The bottom pad includes a bottom electrode. The micro piezoelectric vibrators are vertically formed on the bottom electrode. The top pad includes a top electrode. The top pad is located in parallel to the bottom electrode.
Abstract:
PURPOSE: A manufacturing apparatus of a metal-ceramic fine layered composite material is provided to maintain an insulating state between metals, and to improve the exothermic performance between the metals by directly bonding a metallic base material and a ceramics base material using a high vacuum surface controlled direct bonding method. CONSTITUTION: A manufacturing apparatus of a metal-ceramic fine layered composite material includes a vacuum chamber (100), an ion gun (200), and a bonding unit (300). The vacuum chamber has the plasma-generating gas atmosphere. The ion gun generates plasma using plasma-generating gas. The bonding unit is installed in the vacuum chamber, stores a metallic base material and a ceramics base material, and surface contacts the metallic base material and the ceramics base material if necessary. When the metallic base material and the ceramics base material are surface-activated by the plasma, the surface activated surfaces contact and bond to each other by the bonding unit. The bonding unit includes a first mounting member (310), a second mounting member (320), and a driver (330).
Abstract:
PURPOSE: An anodized aluminum and a manufacturing method thereof which includes an aluminum heat radiation layer are provided to improve adhesive force of a circuit layer which processing an adhesive groove and locating it on an alumina layer. CONSTITUTION: One or more adhesive grooves (15) are formed on the surface of an aluminum heat radiation layer. An alumina layer (20) is corresponded to the shape of the adhesive groove. The alumina layer is formed along the inner side of the adhesive groove. The alumina layer is formed on the surface of the aluminum heat radiation layer. A circuit layer (30) is formed on the outer side of the alumina layer.
Abstract:
PURPOSE: A manufacturing method of a metal nanocomposite particle is provided to simplify process by integrating a chemical method and physical method. CONSTITUTION: A manufacturing method of a metal nanocomposite particle comprises a step of injecting a second metal wire including a second metal into a first metal solution in which a first metal is dissolved; and a step of detonating the second metal wire in the first metal by using an electric wire detonation method. The manufacturing method of a metal nanocomposite particle additionally includes as followings before the injection step: a step of controlling kinds and concentration of the first metal solution; and a step of controlling kinds and diameter of the second metal wire. The manufacturing method of a metal nanocomposite particle additionally includes a step of heat treating the first metal solution with dispersed second metal nanoparticles, after the electric wire detonation. [Reference numerals] (AA) Form metal nanocomposite particles; (S10) Inject a second metal wire into a first metal solution; (S20) Detonate the second metal wire in a first metal; (S25) Thermally treat the first metal solution in which the second metal particle is dissolved; (S5-1) Control the kinds of the first metal and the concentration of the first metal solution; (S5-2) Control the kinds of a second metal and the diameter of the second metal wire
Abstract:
PURPOSE: A light emitting diode package including a lead frame with a heat radiation pattern is provided to increase a heat radiation area by gradually widening the heat radiation pattern near a light emitting diode chip. CONSTITUTION: A lead module(120) includes a circuit pattern(125) to drive a light emitting diode. A light emitting diode chip(130) is mounted on the upper side of the circuit pattern. A molding layer(135) including a phosphor is formed on the upper side of the light emitting diode chip. A lead frame(100) electrically connects the light emitting diode chip to the circuit pattern. A heat radiation pattern made of metal is formed on the lead frame.