Abstract: In a method of forming a groove pattern extending in a first axis in an underlying layer over a semiconductor substrate, a first opening is formed in the underlying layer, and the first opening is extended in the first axis by directional etching to form the groove pattern.

Abstract: A purification device for exercise environment is provided and includes a main body, a purification unit, a gas guider and a gas detection module. The purification unit, the gas guider and the gas detection module are disposed in the main body to guide the gas outside the main body through the purification unit for filtering and purifying the gas, and discharge a purified gas. The gas detection module detects particle concentration of suspended particles contained in the purified gas. The gas guider is controlled to operate and export the gas at an airflow rate within 3 minutes. The particle concentration of the suspended particles contained in the purified gas, which is filtered by the purification unit, is reduced to and less than 0.75 ?g/m3. Consequently, the purified gas is filtered, and an exerciser in an exercise environment can breathe with safety.

Abstract: An electronic package device and a carrier structure thereof are provided. The carrier structure includes a die attach paddle, a ground frame, a pin assembly, and a ground wing portion. The ground frame surrounds the die attach paddle. The pin assembly includes a plurality of pins that are spaced apart from one another. The pins extend radially outward and are arranged to surround the ground frame. The ground wing portion is connected to the ground frame and located in a space under the pin assembly. The ground wing portion includes an extending part and a joint part, the extending part extends away from the die attach paddle, and a top end of the extending part is located at a position above where a bottom surface of the die attach paddle is located.

Abstract: An electronic package device and a carrier structure thereof are provided. The carrier structure includes a die attach paddle, a ground frame, a pin assembly, and a ground wing portion. The ground frame surrounds the die attach paddle. The pin assembly includes a plurality of pins that are spaced apart from one another. The pins extend radially outward and are arranged to surround the ground frame. The ground wing portion is connected to the ground frame and located in a space under the pin assembly. The ground wing portion includes an extending part and a joint part, the extending part extends away from the die attach paddle, and a top end of the extending part is located at a position above where a bottom surface of the die attach paddle is located.

Abstract: In accordance with an embodiment, a method comprises providing a substrate having a conductive material thereon, forming a ground plane, a first trace rail, and a first perpendicular trace from the conductive material, and forming an insulator material over the ground plane, the first trace rail, and the first perpendicular trace. The ground plane is between the first trace rail and an area of the substrate over which will be a die. The first trace rail extends along a first outer edge of the ground plane, and the first perpendicular trace is coupled to the first trace rail and extends perpendicularly from the first trace rail.

Abstract: An air suction screw tightening apparatus to suck and fasten a screw comprises a power driver, a screwdriver fastened to the power driver, a holding assembly connected to the power driver and an air suction member. The screwdriver includes a screw tightening portion which has a contact end in contact with the screw for holding thereof. The holding assembly includes a housing case and a damping portion corresponding to the contact end. The damping portion and screw tightening portion form at least one gap between them to suck the screw. Through providing the damping portion, shaking of the screwdriver during spinning can be reduced. Moreover, with cooperation of the gap and air suction member, the screw can be sucked and held.

Abstract: In accordance with an embodiment, a method comprises providing a substrate having a conductive material thereon, forming a ground plane, a first trace rail, and a first perpendicular trace from the conductive material, and forming an insulator material over the ground plane, the first trace rail, and the first perpendicular trace. The ground plane is between the first trace rail and an area of the substrate over which will be a die. The first trace rail extends along a first outer edge of the ground plane, and the first perpendicular trace is coupled to the first trace rail and extends perpendicularly from the first trace rail.

Abstract: In accordance with an embodiment, a substrate layout comprises a ground plane of a first power loop on a layer of a substrate, a first trace rail on the layer extending along a first periphery of the ground plane, and a first perpendicular trace coupled to the first trace rail. The ground plane is between the first trace rail and a die area, and the first perpendicular trace extends perpendicularly from the first trace rail. The first trace rail and the first perpendicular trace are components of a second power loop.

Abstract: In accordance with an embodiment, a substrate layout comprises a ground plane of a first power loop on a layer of a substrate, a first trace rail on the layer extending along a first periphery of the ground plane, and a first perpendicular trace coupled to the first trace rail. The ground plane is between the first trace rail and a die area, and the first perpendicular trace extends perpendicularly from the first trace rail. The first trace rail and the first perpendicular trace are components of a second power loop.

Abstract: A high-power LED package includes a thermally conductive substrate, a plurality of electric contact pins, and at least one high-power LED. The thermally conductive substrate has a circuit board, a metal plate, and a connecting member connected between the circuit board and the metal plate. The substrate is provided with a plurality of through holes running through the circuit board and the metal plate. The electric contact pins are received in the respective through holes and partially extending out of the through holes. The high-power LED is mounted on the metal plate and electrically connected to the circuit board by means of a plurality of metal wires. Therefore, the metal plate having preferable thermal conductivity can effectively dissipate the heat generated by the high-power LED.

Abstract: An LED lamp assembly includes a reflection cup, a lamp holder and an LED lamp. The reflection cup has a bottom wall with two through holes for insertion of electric wires and at least one locating hole, and a periphery wall defined with the bottom wall a recessed chamber. The lamp holder is mounted on the bottom wall of the reflection cup and located inside the recessed chamber. The lamp holder has a top wall, a peripheral wall extending from the top wall, and at least one mounting leg extending from the periphery wall of the lamp holder and coupled to the at least one locating hole of the reflection cup. The LED lamp is disposed between the top and periphery walls of the lamp holder and provided with two exposed conducting terminals corresponding to the two through holes of the reflection cup for connection with the electric wires.

Abstract: An LED lamp assembly includes a reflection cup, a lamp holder and an LED lamp. The reflection cup has a bottom wall with two through holes for insertion of electric wires and at least one locating hole, and a periphery wall defined with the bottom wall a recessed chamber. The lamp holder is mounted on the bottom wall of the reflection cup and located inside the recessed chamber. The lamp holder has a top wall, a peripheral wall extending from the top wall, and at least one mounting leg extending from the periphery wall of the lamp holder and coupled to the at least one locating hole of the reflection cup. The LED lamp is disposed between the top and periphery walls of the lamp holder and provided with two exposed conducting terminals corresponding to the two through holes of the reflection cup for connection with the electric wires.

Abstract: A liquid dispensing mechanism for synchronously dispensing a common liquid and a specific liquid used in a biochemical analyzer includes a coupler having a first coupling hole, a liquid outlet, a connecting tunnel connected between the first coupling hole and the liquid outlet, a second coupling hole, and a common liquid passage connected between the second coupling hole and the connecting tunnel, a specific liquid dispensing syringe insertable into the first coupling hole of the coupler for out dispensing the contained specific liquid through the liquid outlet, and a common liquid dispensing syringe having a liquid inlet connected with a common liquid source. The common liquid dispensing syringe is insertable into the second coupling hole of the coupler for dispensing the common liquid into the common liquid passage and out of the coupler through the liquid outlet of the coupler together with the specific liquid.

Abstract: A reagent reaction container includes a container body having a plurality of receiving bores through top and bottom sides thereof, a plurality of filter holders mounted in the receiving bores respectively and each having a through hole through top and bottom sides thereof and an engagement portion engaged with a periphery wall of the respective receiving bore, a plurality of drain elements mounted in the through holes of the filter holders respectively, and a plurality of filters respectively mounted in the through holes of the filter holders and supported on the respective drain element. The drain element has a crevice that is closed when the drain element receives no pressure and is opened when the drain element receives a predetermined external force.

Abstract: A liquid dispenser includes a dispenser body having a liquid input passage extending inwardly from the top side of the dispenser body, a liquid distribution passage formed inside the dispenser body in communication with the liquid input passage, two liquid output passages each having a first side respectively connected to the liquid distribution passage and a second side provided with a plurality of outlets, and an air output passage in communication with the liquid output passages. A plurality of needle cannulas are respectively fastened to a bottom side of the dispenser body and respectively connected to the outlets of the liquid output passages. When liquid is filled inside the dispenser body, the air initially contained inside the dispenser body will be forced by the liquid to be discharged out of the dispenser body through the air output passage.

Abstract: A shaking mixer includes a first transmission rod set, a first driving motor for rotating the first transmission rod set; two first synchronous transmission members respectively spacedly coupled to the first transmission rod set for synchronous movement upon rotation of the first transmission rod set, a second transmission rod set, a second driving motor for rotating the second transmission rod set, two second synchronous transmission members respectively spacedly coupled to the second transmission rod set for synchronous movement upon rotation of the second transmission rod set, and a moveable platform having two rods arranged in a crossed manner and respectively connected to the first synchronous transmission members and the second synchronous transmission members for oscillation on a plane freely.

Abstract: A wiring board including a plurality of patterned conductive layers and a plurality of insulating layers is provided. The patterned conductive layers include a first patterned conductive layer and at least one second patterned conductive layer. The first patterned conductive layer has at least one pair of differential signal lines and the second patterned conductive layer has at least one non-wiring area. A projection of the pair of differential signal lines on the second patterned conductive layer at least partially overlaps the non-wiring area. In addition, the insulating layers are disposed between the adjacent patterned conductive layers respectively.

Abstract: A method for assembling a liquid crystal display includes providing a thin-film-transistor substrate and a color-filter substrate having an active area and a non-active area, wherein plural spacers are formed in the in the active area of the color-filter substrate. At least two spacing-pads are individually formed in the surrounding non-active area at different locations adjacent to the edge of the active area, and the top of the spacing-pad is as high as the spacer in the active area. The color-filter substrate and the thin-film-transistor substrate are sealed.

Abstract: An LED lamp includes a base having a receiving groove, a circuit board which is inserted through the receiving groove into the inside of the base and has two through holes, and an LED package having an LED, a shell surrounding the LED and mounted on the base, and two conductive leads electrically connected to the LED, inserted into the base and coupled respectively into the through holes of the circuit board.

Abstract: An LED lamp assembly includes a lamp holder, which has a hollow light-transmittable shade that defines an inside chamber and a bottom opening at the bottom side of the inside chamber and a hollow base connected to the bottom side of the shade, and a light-emitting board, which has a resistor, LEDs and two contact members installed in a circuit board thereof and electrically connected to the circuit pattern of the circuit board and mounted with the circuit board inside the hollow base with the LEDs aimed at the inside chamber of the shade of the lamp holder.