Process for producing a high-density printed wiring board, comprising: providing an ultrathin-copper-foil-clad board having a hole and outermost copper foil thickness of 5 mum or less, plating the surface by electroless copper plating to form a layer of 0.1 to 1 mum thickness, forming an electrolytic copper plating layer of 0.5 to 3 mum thickness using the electroless copper plating layer as elect...

The battery protection system in accordance with the invention comprises a case; switching means mounted in the case and having a first terminal for electrical connection to a charge source for a battery, and a second terminal for electrical connection to the battery; signal input means attached to the case to receive one or more signals from control means; a control board mounted in the case and ...

A fluorescent lamp device having a sliding type power connection member is provided to release one fluorescent lamp from other connected fluorescent lamps by sliding a power connection cord, thereby facilitating maintenance or repair of the fluorescent lamp. A fluorescent lamp device having a sliding type power connection member includes a main body(10), a first power connection unit(100) and a se...

An assembly for fixing a plate base and bolts in a door checker are provided to reduce the deformation of a stopper by combining a small bolt with a plate base with low pressure. In an assembly for fixing a plate base and bolts in a door checker, more than one binding holes(110a) is formed on a plate base. A bolt(120) comprises a stopper(122) formed at a lower part of a head unit(121) and a head u...

A device for maintaining a growing condition for oriental orchids using a temperature measurement sensor is provided to lower the ambient temperature of roots of the oriental orchids in order to maintain the proper temperature for the rearing of the oriental orchids. A device for maintaining a growing condition for oriental orchids comprises: a main body(10) having a communicating hole(11), a cool...

An ultrasound system comprises: a probe having a transducer array of n transducer elements for transmitting ultrasound signals, said n transducer elements being associated with respective scan lines; a steering angle calculating unit for calculating steering angles of the scan lines by using series determined by a relation between the steering angles of at least two scan lines; and a control unit ...

A drink and a preparation method thereof are provided to inhibit the generation of active oxygen and to supplement minerals by using Poria cocos extract and alkaline ionized water. A drink contains 100 parts of alkaline ionized water and 0.1-20 parts of Poria cocos extract. The drink additionally contains one or more materials selected from the group consisting of citric acid, glucose, grapefruit ...

The present invention provides an ultrasound system, which comprises: a signal acquiring unit to transmit an ultrasound signal to an object and acquire an echo signal reflected from the object; a signal processing unit to control TGC (Time Gain Compensation) and LGC (Lateral Gain Compensation) of the echo signal; a TGC/LGC setup unit adapted to set TGC and LGC values based on TGC and LGC curves in...

A pipe supporting gear is provided to easily connect the pipe to a supporting unit and to support the pipe even if the pipe is expanded by the temperature changing of the fluid passing through the pipe inside. A pipe supporting gear comprises: a top pipe supporting unit(100) supporting a pipe, in which the lower part is fixed at the top end part of a penetration sleeve; a bottom pipe supporting un...

A standing in line and supplying apparatus of a burlap bag is provided to easily manufacture the burlap bag by controlling supply and discharge speed according to a kind of the burlap bag and a speed of a sewing machine. A standing in line and supplying apparatus of a burlap bag includes a supply unit(100) and first and second transfer units(200,300). The supply unit has a conveyer(120) divided by...

A circular tunnel support supported by segments with a drainage structure and a method for constructing a shield tunnel are provided to prevent water from leaking into the tunnel support by forming drain paths on four edges of the segment and attaching coffering levees to two sides of the segment. In a circular tunnel support supported by segments with a drainage structure, the segment includes a ...

A method for acquiring an X-ray image is provided to acquire the X-ray images displaying hard and soft tissues of a patient head through once X-ray irradiation. A method for acquiring an X-ray image includes the steps of: irradiating an X-ray to a patient's head(110); sensing the X-ray irradiated to the patient's head by a sensor and generating a signal(120); setting at least two gains to process ...

A driving method of an X rays image sensor which obtains the image of high quality by reducing the variation between images according to the offset level is provided to stabilize the offset level of X-ray image sensor in a short time. An electric charge is charged in a saturation state by irradiating EL light by the EL(Electro Luminescence) sheet to the pixels of TFT panel in an IDLE EL section. T...

A manufacturing method of a large area x-rays detector is provided to prevent the bubble between a TFT panel and a scintillator panel by attaching a scintillator panel on the one side of the TFT panel using a roller. A manufacturing method of a large area x-rays detector comprises followings. The one side of a sensor panel(210) faces to the down direction A first roller(330) is sunk under a bath(3...

An offset stabilization method of an X rays image sensor solving a problem which is weak due to a low offset level in the external noise is provided to photograph X-ray image stably without influence of external noise by determining offset level of the X ray image sensor. A discharge is charged in a saturation state by irradiating light to a pixel without electric discharge about the pixels in an ...

A plate assembly for heat exchange and a heat exchange system employing the same are provided to ensure excellent heat exchange efficiency with small volume by implementing waste-heat collector in the form of heat exchanger plate. A plate assembly for heat exchange comprises a first plate(P1), a first gasket, a second plate(P2), and a second gasket. The first plate comprises first through holes on...