Abstract: Provided are a phase-change memory device using a phase-change material having a low melting point and a high crystallization speed, and a method of fabricating the same. The phase-change memory device includes an antimony (Sb)-selenium (Se) chalcogenide SbxSe100-x phase-change material layer contacting a heat-generating electrode layer exposed through a pore and filling the pore. Due to the use of SbxSe100-x in the phase-change material layer, a higher-speed, lower-power consumption phase-change memory device than a GST memory device can be manufactured.

Abstract: Provided are a nonvolatile memory device and a method of fabricating the same, in which a phase-change layer is formed using a solid-state reaction to reduce a programmable volume, thereby lessening power consumption. The device includes a first reactant layer, a second reactant layer formed on the first reactant layer, and a phase-change layer formed between the first and second reactant layers due to a solid-state reaction between a material forming the first reactant layer and a material forming the second reactant layer. The phase-change memory device consumes low power and operates at high speed.

Abstract: A piezoelectric/electrostrictive linear motor is provided. A movable shaft is coupled to a unimorph or bimorph, which is made by attaching a piezoelectric or electrostrictive substrate to an elastic body, so that a movable body provided with respect to the movable shaft is linearly moved along the movable shaft by the vibration or movement of the piezoelectric or electrostrictive substrate.

Abstract: An apparatus for tracking and identifying objects includes an audio likelihood module which determines corresponding audio likelihoods for each of a plurality of sounds received from corresponding different directions, each audio likelihood indicating a likelihood a sound is an object to be tracked; a video likelihood module which receives a video and determines video likelihoods for each of a plurality of images disposed in corresponding different directions in the video, each video likelihood indicating a likelihood that the image is an object to be tracked; and an identification and tracking module which determines correspondences between the audio likelihoods and the video likelihoods, if a correspondence is determined to exist between one of the audio likelihoods and one of the video likelihoods, identifies and tracks a corresponding one of the objects using each determined pair of audio and video likelihoods.

Abstract: Provided is a display panel comprised of a white color organic luminescent element and a color filter for full color implementation, wherein a substrate in which an organic luminescent element is formed and a color filter are assembled and fixed to face each other with an adhesive pattern therebetween, and liquid oil is filled between the color filter and the substrate inside of the adhesive pattern so as to block external moisture or oxygen, so that deterioration of luminous characteristics due to the external moisture or oxygen may be prevented by encapsulating the organic luminescent element and the color filter with the liquid oil, which leads to enhance reliability and stability of the element, and also allows the encapsulation process to be performed with relatively simple steps and low cost.

Abstract: The present invention provides a small piezoelectric/electrostrictive ultrasonic linear motors which are installed in cell phones or PDAs, etc. to drive their camera lenses. In the present invention, a movable shaft (30) is coupled to a unimorph or bimorph, which is made by attaching a piezoelectric or electrostrictive substrate to an elastic body (20) (metal), so that a movable body (40) fitted over the movable shaft (30) is linearly moved along the movable shaft (30) by vibration of the piezoelectric or electrostrictive substrate, thus simplifying a manufacturing process, being easily practicable according to a basic principle, and having superior characteristics.

Abstract: A hybrid tag interface system and an interfacing method therefor are provided. First codes for an object from a wireless recognition tag containing the first codes are received through wireless communication, a second code for the object from an image tag expressing the second code by using a 1- or 2-dimensional image is read through optical contact, and then information on the object is calculated from the first codes and the second code based on their correlation. By doing so, automatic recognition and visibility can be maximized using the hybrid tag combining a wireless recognition tag and an image tag.

Abstract: An electrophotographic includes a main frame, a photosensitive drum unit vertically detachably installed on the main frame and having a photosensitive drum on which an electrostatic latent image is formed, and an intermediate transfer unit vertically detachably installed on the main frame and having a transfer belt to which a toner image is transferred from the photosensitive drum, wherein the intermediate transfer unit is installed above the photosensitive drum unit.

Abstract: Provided are a composition for thermosetting organic polymeric gate insulating layer and an organic thin film transistor using the same. The composition for thermosetting organic polymeric gate insulating layer contains a thermosetting material in polyvinyl phenol as an organic polymeric gate insulating layer material, to improve a chemical resistance and an insulating property, and an organic thin film transistor includes a thermosetting organic polymeric gate insulating layer formed of the composition. The composition for thermosetting organic polymeric gate insulating layer endows an organic polymer with a thermosetting property, thereby being capable of improving the chemical resistance and the insulating property as well as of forming a layer having a device property improved.

Abstract: Provided are a phase-change nonvolatile memory device and a manufacturing method thereof. The device includes: a substrate; and a stack structure disposed on the substrate and including a phase-change material layer. The phase-change material layer is formed of an alloy of antimony (Sb) and zinc (Zn), so that the phase-change memory device can stably operate at high speed and reduce power consumption.

Abstract: A method of a display apparatus managing a plurality of virtual workspaces of including generating a first data structure as a reference of at least a window; generating a second data structure as a reference of windows respectively linked to the virtual workspaces on the basis of the first data structure; generating a third data structure as a reference of a shared window linked to all of the virtual workspaces; selecting one of the plurality of virtual workspaces; and displaying the shared window and/or the window linked to the selected virtual workspace on the basis of the first data structure, the second data structure, and the third data structure.

Abstract: A method of controlling a computer system including a remote controller having a plurality of selection buttons and producing different remote signals according to selection of a user, and a system controller controlling the system in response to the remote signal produced by the remote controller. The method includes setting up a mouse function according to the remote signals corresponding to the selection buttons of the remote controller; receiving the remote signals from the remote controller; determining whether the mode of the remote controller is selected for a mouse mode; and changing the received remote signal into a mouse message for performing the preset mouse function and providing the mouse message to the system controller, when it is determined that the remote controller is employed in the mouse mode.

Abstract: Provided are a phase-change memory device using a phase-change material having a low melting point and a high crystallization speed, and a method of fabricating the same. The phase-change memory device includes an antimony (Sb)-selenium (Se) chalcogenide SbxSe100-x phase-change material layer contacting a heat-generating electrode layer exposed through a pore and filling the pore. Due to the use of SbxSe100-x in the phase-change material layer, a higher-speed, lower-power consumption phase-change memory device than a GST memory device can be manufactured.

Abstract: An image forming apparatus and a power transmission device capable of intermittently transmitting power reliably to a plurality of driven bodies from a driving source with a small number of clutches. The power transmission device includes a cam part which rotates by receiving power of the driving source, a clutch device which intermittently transmits the power to the cam part to determine a stop position of the cam part, a first power transmission unit which transmits the power to any one of the plurality of driven bodies according to the stop position of the cam part, and a second power transmission unit which transmits the power to the other driven bodies of the plurality of driven bodies according to the stop position of the cam part. The cam part includes a rotating disc and a plurality of press members which are provided on one surface of the rotating disc to press the first power transmission unit and the second power transmission unit according to the stop position of the rotating disc.

Abstract: Provided are an apparatus and method for writing data to a phase-change random access memory (PRAM) by using writing power calculation and data inversion functions, and more particularly, an apparatus and method for writing data which can minimize power consumption by calculating the power consumed while input original data or inverted data is written to a PRAM and storing the data consuming less power. A PRAM consumes a significant amount of power in order to store data in a memory cell since a large electric current is required to flow for a long period of time.

Abstract: Data characterizing a read/write head of a hard disk drive is produced in a burn-in process. The method includes measuring the flying height of the head at a first temperature in a burn-in chamber, measuring the flying height of the head at a second temperature in the burn-in chamber, postulating a linear relationship between the flying height and the temperature of ambient air using values of the flying height measured at the first and second temperatures, and estimating the flying height of the head at a third temperature using the linear relationship. The elevation of the read/write head is then controlled based on data representing the values of the flying height as measured at the first and second temperatures and as estimated for the temperature. In particular, the amount of electric power supplied to an FOD heater of the head is controlled based on the data generated during the burn-in process.

Abstract: 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.

Abstract: Provided is a RFID tag with enhanced security. The tag includes a tag memory to store thereto pre-determined password information and tag data, an antenna to receive a tag data transmission request signal from an outer reader, and a tag controller to request the reader to transmit the password if the tag data transmission request signal is received, and then to transmit the tag data if the password received from the reader is identical with the pre-determined password. Accordingly, it can be prevented for a third-party, who does not know the password, to check the tag data.

Abstract: Provided is a method and apparatus for managing the power of a portable computer system, in which a convenient user interface is provided. The method includes calculating a range of a desired time-of-use based on power consumption of the portable computer system and a remaining battery capacity at a minimum power level of the portable computer system, providing the calculated range of the desired time-of-use and a desired time input box that allows a user to input the desired time-of-use, inputting the desired time-of-use through the desired time input box, and resetting the power level of the portable computer system according to the input desired time-of-use.

Abstract: Provided are a phase-change memory device and a method of fabricating the same. The phase-change memory device includes a transistor disposed on a semiconductor substrate and including a gate electrode and first and second impurity regions disposed on both sides of the gate electrode; a bit line electrically connected to the first impurity region; and a phase-change resistor electrically connected to the second impurity region, wherein the phase-change resistor includes: a lower electrode formed of a doped SiGe layer; a phase-change layer contacting the lower electrode; and an upper electrode connected to the phase-change layer. The lower electrode is formed of the doped SiGe layer, which has a high resistivity and a low thermal conductivity, thereby reducing a reset current and the power consumption of the entire phase-change memory device.