摘要:
The present invention relates to a method of manufacturing germanium-containing solution from yellow soil distributed on the earth's surface, with high efficiency and in environmental-friendly and economical manners. The method comprises forming clods by clumping the yellow soil including the earth from a fireplace; drying the clods of the soil at room temperatures for more than 24 hours or by heating them; heating the clods of the soil to red heat at 750 to 930° C. for 30 to 60 minutes; dipping the red-heated clods of the soil in water to extract oxidized germanium; and filtering the aqueous solution including the clods of the soil.
摘要:
Provided is a secure digital memory card for extension of function, including: a flash memory installed in a host device and storing data generated by the host device; a controller controlling an access interface to the flash memory; a radio frequency circuit performing functions of a contactless integrated circuit card and a contactless integrated circuit card reader through a wireless interface control of the controller; an antenna unit connected to the radio frequency circuit to perform a function of a transmission and reception antenna; and a contact integrated circuit card adapter performing the function of the contact integrated circuit card reader through a wire interface control of the controller.
摘要:
Disclosed is a method of electroplating a printed circuit board using a magnetic field having periodic directionality, in which the printed circuit board is electroplated using a magnetic field that is generated substantially perpendicular to a current direction and that has periodic directionality between a forward wave and a reverse wave. According to the method of the present invention, since the magnetic field having the periodic directionality is used, the aging of the plating solution may be prevented and the ionic concentration thereof may be made uniform even without the use of an external liquid flow device, and as well, the substrate may be uniformly plated.
摘要:
Provided are a variable constant voltage generator generating a plurality of constant voltages, and more particularly, to a variable constant voltage generator which varies a reference voltage by changing a resistance value through on/off switching, thereby converting an output voltage into a plurality of constant voltages. The apparatus for generating a variable constant voltage, the apparatus includes: a reference voltage controller controlling on/off switches connected to ends of N resistors according to a digital signal value; a variable reference voltage generator generating a reference voltage corresponding to a resistance value obtained by controlling the on/off switches; and a regulator generating a constant voltage based on the reference voltage and an external input voltage.
摘要:
The present invention relates to novel thiourea derivatives as a modulator for vanilloid receptor (VR) and the pharmaceutical compositions containing the same. As diseases associated with the activity of vanilloid receptor, pain acute pain, chronic pain, neuropathic pain, post-operative pain, migraine, arthralgia, neuropathies, nerve injury, diabetic neuropathy, neurodegeneration, neurotic skin disorder, stroke, urinary bladder hypersensitiveness, irritable bowel syndrome, a respiratory disorder such as asthma or chronic obstructive pulmonary disease, irritation of skin, eye or mucous membrane, fervescence, stomach-duodenal ulcer, inflammatory bowel disease and inflammatory diseases can be enumerated. The present invention provides a pharmaceutical composition for prevention or treatment of these diseases.
摘要:
Disclosed is a method of depositing thin films, in which the thin films are continuously deposited into one chamber and 1-6 wafers are loaded into the chamber. In the method, a process gap between a shower head or a gas injection unit and a substrate is capable of being controlled. The method comprises (a) loading at least one substrate into the chamber, (b) depositing the Ti thin film onto the substrate, adjusted so that a first process gap is maintained, (c) moving a wafer block so that the first process gap is changed into a second process gap in order to control the process gap of the substrate upon which the Ti thin film is deposited, (d) depositing the TiN thin film onto the substrate, moved to set the second process gap, and (e) unloading the substrate upon which the Ti/TiN thin films are deposited. If it is possible to continuously deposit Ti/TiN thin films on 1-6 substrates in one chamber, it is possible to set only one chamber among 4 chambers in a PM period, thereby an operating ratio of a cluster tool can be significantly improved. When Ti/TiN is continuously deposited in one chamber, the time needed to move a substrate from a Ti chamber to a TiN chamber is reduced, thus treatment efficiency of the substrate per unit time is significantly increased.
摘要:
A handler for testing semiconductor devices is disclosed which is capable of simplifying the process carried out in an exchanging station, namely, the process of loading/unloading semiconductor devices in/from test trays, and greatly increasing the number of simultaneously testable semiconductor devices. The handler includes a loading station, an unloading station, test trays, an exchanging station comprising a horizontal moving unit for horizontally moving a selected one of the test trays by a predetermined pitch at a working place, a test station in which at least one test board having a plurality of test sockets to be electrically connected with semiconductor devices is mounted, the test station performing a test while connecting the semiconductor devices in one of the test trays, which is fed from the exchanging station to the test station, to the test sockets, device transfer units for transfer the semiconductor devices between the loading station and the exchanging station and between the exchanging station and the unloading station, respectively, and a tray transfer unit for transfer the test trays between the exchanging station and the test station.
摘要:
Provided is a phase change memory device including: a phase change memory unit comprising a phase change layer pattern; a laser beam focusing unit locally focusing a laser beam on the phase change layer pattern of the phase change memory unit; and a semiconductor laser unit generating and emitting the laser beam towards the laser beam focusing unit. Thus set or reset operations in the phase change memory device uses laser beams locally applied, thereby reducing the consumption power and preventing destruction or change in information stored in neighboring cell during the operations of unit cell.
摘要:
An image sensing device includes a gate dielectric layer formed on a substrate and a transfer gate formed on the gate dielectric layer. A masking layer is formed on the transfer gate, the masking layer having a width smaller than a width of the transfer gate, such that a portion of the transfer gate protrudes laterally from under the masking layer. A photodiode is formed in the substrate to be self-aligned with the masking layer and to extending laterally under the transfer gate, that is, to overlap the transfer gate. Because of the overlap of the photodiode with the transfer gate, offset between the photodiode and the transfer gate is eliminated, such that an image lag phenomenon is eliminated.
摘要:
Provided is a flat type vibrating motor capable of reducing a consumed current of the motor while maintaining torque of the motor, lengthening even more an operating time of an apparatus such as a mobile communication apparatus in which the flat type vibrating motor is mounted, and shortening a charging period. At least one auxiliary coil separated at a predetermined mechanical degree with respect to a center of the primary coil mounted on the substrate, and series-connected to the primary coil is provided, so that a current flowing through the coil is reduced and torque equivalent to or greater than that of a related art motor can be obtained. Accordingly, an amount of a consumed current of the motor is reduced.