PURPOSE: A method for molding both sides of a PCB module having a wafer level package and a mold used for the same are provided to enhance the productivity by molding simultaneously the top surface and the bottom of a PCB. CONSTITUTION: A wafer level package including a semiconductor chip having a bumper is prepared. A PCB module is formed by mounting wafer level packages having bumpers on the top...

A closing device (10, 110, 210) for an opening part of a piece of furniture comprises a magnetic detent (13, 113, 213) for retention of the part in a closed position in combination with a thrust "pull-push" mechanism (14, 114, 15, 115, 214, 215) for detachment from the magnetic detent upon command, so as to cause opening of the opening part of the piece of furniture.

A boom for a telescopic loader, is described. It is proposed that the boom be configured with a carrier arrangement having one end fastened to a frame of the loader vehicle, free to pivot, and having a second free end defined by an attaching flange. A front piece includes a mating flange configured complementary to the attaching flange and releasably secured to it. The front piece is used to engag...

A side-hole optical cane for measuring pressure and/or temperature is disclosed. The side-hole cane has a light guiding core containing a sensor a nd a cladding containing symmetrical side-holes extending substantially parallel to the core. The side-holes cause an asymmetric stress across the core of the senso r creating a birefringent sensor. The sensor, preferably a Bragg grating, reflects a fir...

PURPOSE: A loose tube optical cable is provided to minimize stresses being applied to the optical cable by controlling geometric parameters of aramid yarn and loose tube optical cable unit. CONSTITUTION: A loose tube optical cable(A) comprises an aramid yarn(80) extended in a lengthwise direction, and which has a central axis escaped from the center of the optical cable; a loose tube optical fiber...

The present invention provides chemical processes for the preparation o f disaccharide and trisaccharide C6 to C12 fatty acid esters having a high alp ha content. Yet still further, the invention provides materials prepared by the processe s disclosed herein.

PURPOSE: An objective lens for an optical pickup device, an optical pickup device and an optical information recording/reproducing device are provided to compatibly record and/or reproduce two kinds of optical information recording media having a big wavelength difference, while thickness of protective layers is different from each other. CONSTITUTION: An objective lens includes the first diffract...

PURPOSE: A wavelength stabilization unit for stabilizing wavelengths of laser beams and a wavelength stabilization module for stabilizing wavelengths of optical signals are provided to stabilize an optical output and a wavelength current characteristic by using a first linear part and a second linear part parallel to the first linear part. CONSTITUTION: A first light receiving unit(18) receives pa...

PURPOSE: A calibrating method for a print alignment error is provided to automatically measure and correct vertical and horizontal alignment errors by using an optical sensor in an ink jet printer having at least two ink cartridges. CONSTITUTION: A predetermined test pattern is printed on a paper by using a print head according to a correction signal(102). The printed test pattern is scanned(103)....

PURPOSE: A washing method of a drum washing machine is provided to wash the large amount of the laundry in the small drum by forcibly agitating the drum and by efficiently transmitting mechanical force to the laundry. CONSTITUTION: The amount of the laundry is detected in a drum of a drum washing machine, and washing is performed by agitating the drum if the laundry amount is more than the referen...

PURPOSE: A scheduling device in a CDMA mobile communication system is provided to perform an EUDCH(Enhanced Uplink Dedicated transport Channel) service under an optimal wireless environment even though scheduling commands are received from plural active base stations, by locating a mobile station in a soft handover area, thereby improving data receiving performance. CONSTITUTION: A mobile station ...

PURPOSE: An ATM-based LSR(Label Switching Router) having an inner channel sharing function and an inner channel sharing method using the label switching router are provided to preset an inner channel in an ATM-based MPLS(Multi Protocol Label Switching) network, and to share the inner channel when setting an outer channel, thereby using resources of the MPLS network to the maximum. CONSTITUTION: An...

PURPOSE: A button-type zinc-air battery with high capacity is provided to improve the service life, reduce electric resistance and prevent leak that is caused by contact between an anode can and zinc gel, by using anticorrosive resin to the inside of the anode can as well as modifying the inner structure of the button-type zinc-air battery. The battery is environmentally friendly and economic by e...

PURPOSE: A zinc fuel cell which is rechargeable with a zinc gel, a recharging device and method for the zinc fuel cell are provided to improve the battery output while reducing the weight of the fuel cell and to make possible easy and rapid removal and recharge of the zinc gel. Since the rechargeable zinc fuel cell does not employ a cycling system for electrolytes, pump or filter, the energy effic...

The multi-hop communication system according to the present invention is configured by a radio control station 1 connected to a core network, and radio stations 21, 22, 31-33. The radio control station 1 has a control signal TX/RX unit 12 which transmits/receives the control signal, an information signal TX/RX unit 13 which transmits/receives the information signal , and a communication channel co...

PURPOSE: A bonding wire for a semiconductor device is provided to enhance a fracture load characteristic, an apparent stiffness characteristic, and an electric conductivity characteristic by improving the structure of the bonding wire. CONSTITUTION: A matrix part is formed with copper having purity of 99.999 percent. A coating part is formed with one selected from a group including Pd, Pd-Ni alloy...

PURPOSE: A PDP having ultraviolet rays-visible rays converter is provided to improve the efficiency of the PDP and contrast by adding a light converter. CONSTITUTION: A PDP having ultraviolet rays-visible rays converter comprises a front panel(FP), a back panel(BP), and a filter set arranged in front of the front panel. A light converter(70) is mounted between the front panel and the filter set an...

PURPOSE: A packet forwarding system having an effective packet memory management device and an operating method thereof are provided to transmit a header only of entire IP packets to a header processor, and to process the transmitted header, thereby quickly forwarding the packets as improving performance. CONSTITUTION: An input portion(200) inputs data in data transmission unit. A packet memory ma...

A side-hole optical cane for measuring pressure and/or temperature is disclosed. The side-hole cane has a light guiding core containing a sensor and a cladding containing symmetrical side-holes extending substantially parallel to the core. The side-holes cause an asymmetric stress across the core of the sensor creating a birefringent sensor. The sensor, preferably a Bragg grating, reflects a first...

PURPOSE: An adjusting knob of a heater control panel for a vehicle and a method for manufacturing the same are provided to prevent the damage of an indicator, and to improve heat-resistance. CONSTITUTION: An adjusting knob of a heater control panel is composed of an outer resin part having an indicator(21a), a film(F) attached to the surface of the indicator, and a skin part(25) enclosing the oute...