Patent application number | Description | Published |
20090141387 | NANOPROBE-BASED HEATING APPARATUS AND HEAT-ASSISTED MAGNETIC RECORDING HEAD USING THE SAME - A nanoprobe-based heating apparatus includes a nanoprobe, a heating unit, a gap control unit, and a support unit. The nanoprobe has a tip forming at an end of the nanoprobe, and the tip applies heat to a magnetic recording bit of a recording medium. The heating unit heats the nanoprobe. The gap control unit controls a gap between the nanoprobe and the recording medium. The support unit supports the nanoprobe, the heating unit, and the gap control unit. The nanoprobe-based heating apparatus is installed at a magnetic recording head of a magnetic hard disk drive to be able to heat an ultra-fine region of a recording medium very rapidly by applying heat together with a magnetic field. | 06-04-2009 |
20090152699 | PACKAGING APPARATUS OF TERAHERTZ DEVICE - There is provided a packaging apparatus of a terahertz device, the apparatus including: a terahertz device having an active region at which terahertz wave is radiated or detected; a device substrate mounting the terahertz device whose active region is positioned at an opening region formed at the center of the device substrate, and electrically connecting the terahertz device and an external terminal to each other; a ball lens block arranged and fixed to an upper part of the terahertz device; and upper and lower cases receiving the device substrate mounted with the terahertz device therein and opening region vertical upper and lower portions of the active region of the terahertz device. | 06-18-2009 |
20100092183 | FREQUENCY TUNABLE TERAHERTZ CONTINUOUS WAVE GENERATOR - A frequency tunable terahertz continuous wave generator controls the number of feedbacks of an optical signal output from an optical intensity modulator by adding a feedback loop between input and output terminals of the optical intensity modulator, thereby simply tuning a frequency of a terahertz continuous wave. | 04-15-2010 |
20100149640 | TUNABLE DIFFRACTION GRATING APPARATUS - Provided is a tunable diffraction grating apparatus including: a diffraction grating portion having a diffraction grating with an linearly variable grating interval, the diffraction grating being formed of an elastic member; a drive portion connected to the diffraction grating portion and applying a force to the diffraction grating portion to vary the grating interval; and a controller for controlling the drive portion to adjust the grating interval depending on a specific wavelength input from the exterior. | 06-17-2010 |
20100155605 | TERAHERTZ WAVE TX/RX MODULE PACKAGE AND METHOD OF MANUFACTURING THE SAME - Provided are a terahertz wave transmission and reception (Tx/Rx) module package and method of manufacturing the same. The complete and separate terahertz wave Tx/Rx module package is implemented by simply aligning a silicon ball lens, a photoconductive antenna and a focusing lens, and thus facilitates generation or measurement of a terahertz wave. The terahertz wave Tx/Rx module package and method can remarkably reduce time and cost required to build a terahertz wave generation and measurement system, and simplify and miniaturize the terahertz wave generation and measurement system. In addition, characteristics of a terahertz wave generated by the photoconductive antenna can be simply measured. Furthermore, the terahertz wave Tx/Rx module package can be stored and transported with a photoconductive antenna, a silicon ball lens and a focusing lens kept aligned as they are, and also it is possible to minimize pollution of terahertz wave devices caused by surroundings. | 06-24-2010 |
20110127431 | PHOTOCONDUCTOR DEVICE HAVING POLYCRYSTALLINE GaAs THIN FILM AND METHOD OF MANUFACTURING THE SAME - A photoconductor device and a method of manufacturing the same are provided. The photoconductor device includes a photoconductor substrate, a photoconductor thin film deposited on the photoconductor substrate, and a photoconductive antenna electrode formed on the photoconductor thin film. The photoconductor thin film includes polycrystalline GaAs. | 06-02-2011 |
20120086096 | CONDENSER LENS-COUPLED PHOTOCONDUCTIVE ANTENNA DEVICE FOR TERAHERTZ WAVE GENERATION AND DETECTION AND FABRICATING METHOD THEREOF - Provided are a condenser lens-coupled photoconductive antenna device for terahertz wave generation and detection and a fabricating method thereof. A condenser lens-coupled photoconductive antenna device for terahertz wave generation and detection includes a condenser lens, a photoconductive thin film deposited on the condenser lens, and a metal electrode formed on the photoconductive thin film for a photoconductive antenna. In the antenna device, the condenser lens and the photoconductive thin film are coupled to each other. | 04-12-2012 |
20120112230 | INTEGRATED ANTENNA DEVICE MODULE FOR GENERATING TERAHERTZ CONTINOUS WAVE AND FABRICATION METHOD THEREOF - The exemplary embodiments of the present invention include forming a photoconductor thin film on a front surface of a substrate; forming a photoconductor thin film pattern by patterning the photoconductor thin film; and forming a metal electrode on the photoconductor thin film pattern. | 05-10-2012 |
20120166144 | DEVICE CHARACTERISTICS MEASUREMENT METHOD USING AN ALL-OPTOELECTRONIC TERAHERTZ PHOTOMIXING SYSTEM AND SPECTRAL CHARACTERISTICS MEASUREMENT METHOD OF TERAHERTZ MEASURING APPARATUS USING THE SAME - A device characteristics measurement method using an all-optoelectronic terahertz photomixing system includes: calculating power of an antenna of a transmitter by adding a matching condition between output impedance of the photomixer and input impedance of the antenna of the transmitter to power of the photomixer of the transmitter; calculating power of an antenna of a receiver based on the power of the antenna of the transmitter; and outputting the power of the antenna of the transmitter and the power of the antenna of the receiver so as to analyze device characteristics of the photomixer and the antenna of the transmitter. | 06-28-2012 |
20130225453 | BIOMATERIAL DETECTING DEVICE - Provided is a biomaterial detecting device for confirming or detecting a biomaterial reaction, and more particularly to a biomaterial detecting device, which is formed in a stick type to thereby be immersed in a tube containing a biomaterial solution to be tested; has an upper portion with a cap structure to thereby induce reaction with a biomaterial, and thus facilitate confirmation and detection of the biomaterial; and is formed in a cap structure to thereby prevent evaporation of a sample and infiltration of an external material at the time of a biomaterial reaction in the tube, and thus improve reliability in analysis. | 08-29-2013 |
20130303390 | SYSTEM FOR INTEGRATED ANALYSIS OF REAL-TIME POLYMERASE CHAIN REACTION AND DNA CHIP AND METHOD FOR INTEGRATED ANALYSIS USING THE SAME - Provided are a system for integrated analysis of a real-time polymerase chain reaction and a DNA chip and a method for integrated analysis using the same, and more particularly to an apparatus for integrated analysis of a real-time polymerase chain reaction and a DNA chip and a method for integrated analysis using the same. According to the method for integrated analysis of a biomaterial of the present invention, gene amplification proceeds and subsequently hybridization proceeds in a single reactor, thereby preventing contamination of the sample due to external factors, which may be caused while the sample is transferred for reaction, and automating a series of procedures such as injection of the sample, reaction of the biomaterial, and detection and analysis of results. | 11-14-2013 |
Patent application number | Description | Published |
20090126023 | APPARATUS AND METHOD FOR FORECASTING SECURITY THREAT LEVEL OF NETWORK - Provided are an apparatus and method for forecasting the security threat level of a network. The apparatus includes: a security data collection unit for collecting traffic data and intrusion detection data transmitted from an external network to a managed network; a malicious code data collection unit for collecting malicious code data transmitted from a security enterprise network; a time series data transformation unit for transforming the data collected by the security data collection unit into time series data; a network traffic analysis unit for analyzing traffic distribution of the managed network using the data collected by the security data collection unit; and a security forecast engine for forecasting security data of the managed network using the time series data obtained by the time data transformation unit, the data analyzed by the network traffic analysis unit, and the data collected by the malicious code data collection unit. | 05-14-2009 |
20090138590 | APPARATUS AND METHOD FOR DETECTING ANOMALOUS TRAFFIC - An apparatus and method for detecting anomalous traffic are provided. More particularly, an apparatus and method for detecting anomalous traffic based on entropy of network traffic are provided. The apparatus of detecting anomalous traffic includes: an entropy extraction module for extracting entropy from network traffic; a visualization module for generating an entropy graph based on the entropy; a graph model experience module for updating a graph model for each network attack based on the entropy graph; and an anomalous traffic detection module for detecting anomalous traffic based on the entropy graph and the graph model for each network attack and outputting the detection results to a user. In the apparatus and method, anomalous traffic is detected based on network entropy rather than simple statistics based on the amount of traffic, so that a false alarm rate of the apparatus for detecting anomalous traffic can be reduced. | 05-28-2009 |
20120096552 | SYSTEM FOR AN ENGINE FOR FORECASTING CYBER THREATS AND METHOD FOR FORECASTING CYBER THREATS USING THE SYSTEM - A system for an engine for forecasting cyber threats and a method enabling the forecast of a low-level cyber threat and the forecast of a high-level cyber threat using the low-level cyber threat in a hierarchical structure of cyber threats are provided. The system includes a forecast information database which stores forecast information including cyber threat forecast items, a forecast schedule related to the items, forecast simulation information, forecast item hierarchical structure information, time series data on cyber threats, and sample data on cyber threats; a forecast engine core subsystem which forecasts the levels of threats for the cyber threat forecast items having a hierarchical structure using the forecast information stored in the forecast information database; and a forecast engine control interface which receives control commands for the forecast engine core subsystem from a user or external system, and delivers the received control commands to the forecast engine core subsystem. | 04-19-2012 |