Abstract: A ball grid array (BGA) package includes a substrate layer having first and second sides. A semiconductor chip is attached to the first side of the substrate layer by a dielectric adhesive layer. A plurality of solder balls are attached to the second side of the substrate layer. The solder balls may be set out by rows and columns. A plurality of wires electrically connect the semiconductor chip to the solder balls. A layer of encapsulating compound is deposited over the semiconductor chip. A step cavity of a selected depth and shape is formed in the layer of encapsulating compound at or near the edge or periphery of the layer of encapsulating compound. The step cavity is separated from the solder balls by the substrate layer but spans over a plurality of selected solder balls.

Abstract: Provided is an integrated telematics service system that may operate as an essential network interoperating gateway in a smart vehicle appropriate for a ubiquitous environment, and that includes: a network interface unit that receives a user input to process the user input based on an ontology modeling for the integrated telematics service, and interoperates with an external network of the smart vehicle; a knowledge based management unit that interoperates with the network interface unit to manage a policy and a schedule for a telematics service, an event occurring in the smart vehicle, and a schedule of a user; and a service unit that converts information associated with a navigation service or a multimedia service to a form suitable for an internal device of the smart vehicle, to perform a one-source-multi-use function.

Abstract: Provided is a user oriented information system that may retrieve user oriented information or may provide the user oriented information to a mobile device, and a method of controlling the user oriented information system. The user oriented information system may detect the mobile device, detect an information request of the mobile device, and provide a content corresponding to the information request to the mobile device based on a profile of the mobile device.

Abstract: A microwave filter for use with a microwave brazing system having a brazing chamber, a vacuum line, and a pressure gauge located proximate the vacuum line. The microwave filter comprises a baffle plate configured to be mounted in an opening between the brazing chamber and the pressure gauge, and a plurality of hollow pipes configured to substantially prevent the transmission of microwaves from the brazing chamber to the pressure gauge, and further configured to allow gas to flow between the brazing chamber and the vacuum line.

Abstract: A ball training apparatus comprising: a ball; a ball-holding net to wrap around the ball; a tether cord that is connected to the net; a cord handle and cord length adjuster that is connected to one end of the cord; a spinning connector structure which is installed on the ball-holding net to connect the ball-holding net to the cord and allows the ball to spin relative to the cord. Thus the ball inside the net can rotate freely without intertwining with the tether. The handle of this ball training apparatus can either be attached to the user's waist belt or be held in hand and therefore the user can achieve various training outcomes.

Abstract: A connector, such as an edge card connector, is provided with positive locking ejection latches. The positive locking of the ejection latches ensure that an associated card inserted into the connector will not accidentally be ejected under shock and vibration conditions. To use the ejection latches, a locking member provided in association with the ejections latches must be disabled.

Abstract: A thermally enhanced ball grid array package is disclosed. The package includes a base layer element and a flip chip die mounted on the base layer element. The die has a first surface electrically coupled to the base layer element, a second surface opposite to the first surface, and lateral sides. A molding compound encapsulates the base layer element and the lateral sides of the die. A surface is formed of the second surface of the die and an upper surface of the molding compound. A material is disposed on the surface, and a heat spreader is mounted on the material.

Abstract: An ultra-thin Quad Flat No-Lead (QFN) semiconductor chip package having a leadframe with lead terminals formed by recesses from both the top and bottom surfaces and substantially aligned contact areas formed on either the top or bottom surfaces. A die is electrically connected to the plurality of lead terminals and a molding compound encapsulates the leadframe and die together so as to form the ultra-thin QFN package. Accordingly, the substantially aligned contact areas are exposed on both the top and bottom surfaces of the package. The present disclosure also provides an ultra-thin Optical Quad Flat No-Lead (OQFN) semiconductor chip package, a stacked semiconductor module comprising at least two QFN semiconductor chip packages, and a method for manufacturing an ultra-thin Quad Flat No-Lead (QFN) semiconductor packages.

Abstract: There are provided a method of forming a fine metal pattern and a method of forming a metal line using the same. In the method of forming a fine metal pattern, a substrate is prepared where a first interlayer insulating layer is formed. A via plug is formed on the first interlayer insulating layer. A plurality of sidewall buffer patterns are formed on the first interlayer insulating layer having the via plug, wherein the plurality of the sidewall buffer patterns are spaced apart from each other by a predetermined distance. The sidewall layer is deposited on the first interlayer insulating layer and the sidewall buffer patterns. The sidewall layer is etched such that sidewall patterns remains on sidewalls of the sidewall buffer patterns.

Abstract: The invention relates to a heat exchanger having a manifold plate structure. The heat exchanger comprises a first and a second manifold plate. The first and second manifold plates allow a refrigerant communication between an outside of the heat exchanger and another plate. The manifold plates together form a closed flat tube and each of the manifold plates has a pair of cup portions. The first manifold plate has a first slot and the second manifold plate has a second slot. The edge of the first slot has a projected burr portion. The first slot is configured for insertion into a slot of a first adjacent plate that is configured to be connected to the first manifold plate. The length and width of the first slot are less than the length and width of the second slot.

Abstract: An echo cancellation circuit includes delay units at its input unit and output unit in order to adjust the delay caused by a FIFO. The delay times of the delay units are trained using a training signal, such the REVERB signal, that is a system initializing signal. In addition, an upstream pilot tone is used to tune the delay time. The performance of the echo cancellation circuit is optimized according to the device and the method described.

Abstract: A shooting game machine having a gun for projecting bullets using compressed air and targets arranged in a predetermined distance in front of the gun includes a housing which is provided with at least one opening formed on a front wall thereof, a gun supporter mounted inside of the opening on the front wall of the housing for supporting the gun, and a target holding mechanism installed in front of the gun in a predetermined distance for holding at least one target.

Abstract: The invention relates to a heat exchanger having a manifold plate structure. The heat exchanger comprises a first and a second manifold plate. The first and second manifold plates allow a refrigerant communication between an outside of the heat exchanger and another plate. The manifold plates together form a closed flat tube and each of the manifold plates has a pair of cup portions. The first manifold plate has a first slot and the second manifold plate has a second slot. The edge of the first slot has a projected burr portion. The first slot is configured for insertion into a slot of a first adjacent plate that is configured to be connected to the first manifold plate. The length and width of the first slot are less than the length and width of the second slot.

Abstract: A phosphor emits blue color with high luminance and high color purity. The phosphor is fabricated by growing the host material of MX including a II group element (M=Ca, Sr, Zn, Ba or Mg) and a VI group element (X=S or Se) by reacting an M-precursor with a compound including the VI group element, and adding Pb2+ ions into the host material as light-emitting center ions by forming a PbX thin film through a surface saturation reaction between a Pb-precursor and H2X at a reaction temperature higher than a decomposition temperature of the Pb-precursor, wherein the Pb-precursor is a metalorganic compound in which Pb is covalent-bonded with an organic functional group.

Abstract: A device for displaying the rotating condition of a tape or disk in audio or video systems is disclosed. The display device has a rotary means, which is installed inside a housing of an audio or video system and is rotated synchronously with a tape feeding or disk rotating motion of the system. A transparent window is set on the housing at a position suitable for observing the rotary means from outside the housing. A guide tube extends from the window toward the rotary means and allows a user to observe a rotating motion of the rotary means through the transparent window and thereby to check the tape feeding or disk rotating motion of the system. The rotary means may be one of the rotating members of a power transmission mechanism of the system. Alternatively, the rotary means may be a rotating wheel operating in conjunction with the rotating members of a power transmission mechanism of the system.

Abstract: A hermetic enclosure 100 comprising a socket 155, an inlet 110 coupled to a compressor 105 via a pressure valve 115, and an outlet 130 coupled to a vacuum generator 140 via a vacuum valve 135, for over pressure testing a pressure sensitive device 10. Locating the pressure sensitive device in the socket 155 in the hermetic chamber 100, applying a predetermined pressure generated by the compressor 105 to the pressure sensitive device in the enclosure 100. Subsequently relieving the predetermined pressure and applying a predetermined vacuum generated by the vacuum generator 140 to the pressure sensitive device 10 to remove fragments of the pressure sensitive device 10, when the pressure sensitive device 10 fails the over pressure test and disintegrates.

Abstract: A method of making a hollow golf club head that includes forming a core that has a thin wall about a cavity; filling liquid into the core cavity; forming the club head body about the core by injection molding; and removing liquid from the core cavity.

Abstract: There is disclosed an image processing circuit for displaying a plurality of sub-pictures which have different image signal sources on a common screen. The inventive subject digitalizes an original image analog signal by use of a corresponding sampled signal upon a multiple picture processing, saves the digitalized data almost simultaneously, and uses a dual-port memory for reading the data, whereby the circuit simplifies the generating process of a control timing signal and renders the PIP process easy to carry out, when controlling the dual-port memory by read-write operation. The apparatus for carrying out the invention includes a keyboard or remocon for data input/output, a microcomputer for controlling the entire process, a controller for controlling display processes, an analog switching device, an A/D converter for converting the analog signal to a digital signal, a dual-port memory for dealing with various image signals, and three D/A converters for converting digital data to analog data.

Abstract: A hydraulic clamping apparatus including a base, a first support means for supporting a first mold and retained by the base and a second support means for supporting a second mold and retained by the base means, the second support means being movable relative to the base means along a path so as to move the second mold into engagement with the first mold. A first hydraulic actuator comprises a first cylinder, a first piston retained thereby, and a rod coupled between the first piston and the second support means. The first actuator is operable to produce reciprocating first strokes of the rod along the path. A second hydraulic actuator comprises a second cylinder and a ram piston shaped and arranged so as to permit with respect thereto relative movement along the path of the second support means. The ram piston has a diameter substantially greater than the first piston and is movable along the path in reciprocating second strokes substantially shorter than the first strokes.