| Patent application number | Description | Published |
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| 20090268179 | METHOD OF ALIGNING AN EXPOSURE APPARATUS, METHOD OF EXPOSING A PHOTORESIST FILM USING THE SAME AND EXPOSURE APPARATUS FOR PERFORMING THE METHOD OF EXPOSING A PHOTORESIST FILM - An origin of a reference coordinate system is assigned to one of a plurality of center points, and center point coordinates according to the reference coordinate system are assigned to remaining center points, so that reference marks successively correspond to center points of a plurality of microscopes fixed to a base. Beam position detection marks disposed between the reference marks with exposure points of exposure heads fixed to the base are crossed to assign beam coordinates according to the reference coordinate system to the exposure points. Thus, alignment may be easily and accurately performed, and is effective for increasingly larger apparatuses. | 10-29-2009 |
| 20090296062 | METHOD OF MEASURING POSITION ERROR OF BEAM OF EXPOSURE APPARATUS AND EXPOSURE APPARATUS USING THE SAME - A method of measuring a position error of a beam of an exposure apparatus and an exposure apparatus using the same are provided. An exposure apparatus using a digital micromirror device (DMD) element instead of a mask measures a radiation amount of a beam that passes through each pinhole using a mask including a pinhole, and when the radiation amount is less than a reference value, it is determined that an exposure beam has a position error. By using the exposure apparatus and a method of measuring a position error of a beam, a measurement time period is reduced, and a position error of a beam is simply and accurately determined. | 12-03-2009 |
| 20100097591 | Exposure apparatuses and methods - An exposure apparatus may include: a stage configured to move a substrate; an optical unit configured to generate and project a plurality of laser beams; and a control unit configured to measure straightness of the stage by controlling the projection of the laser beams to an exposed surface of the substrate while moving the stage. A method to measure straightness of a stage in an exposure apparatus may include: placing a substrate on the stage; moving the stage and substrate; generating a plurality of laser beams; projecting the laser beams to the substrate on the stage; and measuring the straightness of the stage by projecting the laser beams to an exposed surface of the substrate. | 04-22-2010 |
| 20100208222 | Exposure apparatus and method to measure beam position and assign address using the same - An exposure apparatus and a method to measure a beam position and assigning an address using the same are disclosed. The exposure apparatus includes a Digital Micromirror Device (DMD) having a plurality of micromirrors, each micromirror to modulate light projected from a light source and project a modulated DMD beam onto an exposed surface, a measurement mask to measure positions of the DMD beams projected onto the exposed surface, a sensor to detect light intensities of the DMD beams measured by the measurement mask, and a controller to determine the positions of the DMD beams according to the detected light intensities. | 08-19-2010 |
| 20110090478 | Lens barrel support device and maskless exposure apparatus having the same - Provided is a barrel support device for supporting a lens barrel. The barrel support device may include a guide frame configured to laterally support the lens barrel and tilt with the lens barrel, a rotation guide on a first end of the guide frame, the rotation guide being ring shaped and configured attach the lens barrel to the guide frame, and a ring-shaped tilting frame configured to support a second end of the guide frame and tilt the guide frame, wherein the guide frame, the rotation guide, and the tilting frame are configured to allow the lens barrel to pass therethrough. | 04-21-2011 |
| 20110134409 | Actuator, stage device, and exposure apparatus - An actuator according to example embodiments may be relatively compact and may be driven with 2 degrees of freedom with less spatial constraints. The actuator may include a base member, a ball screw member including a ball screw coupled to the base member and a ball nut screwed onto the ball screw, a driving member coupled to the ball nut so as to move in conjunction with the ball nut, a first directional displacement member configured to move in a first direction in response to a first movement of the driving member, a wedge member coupled to the driving member so as to be moved in a second direction in response to a second movement of the driving member, a second directional displacement member configured to move in a second direction in conjunction with the wedge member, and a binding member configured to bind the first directional displacement member to at least one of the driving member, the wedge member, and the base member. | 06-09-2011 |
| 20110149297 | Maskless exposure apparatus and multi-head alignment method thereof - Example embodiments are directed to a mask-less exposure apparatus configured to expose a pattern on a substrate using a light modulation device and a multi-head alignment method thereof. According to example embodiments, a beam measurement device measures positions and focuses of at least three beams from among a plurality of beams emitted from multiple heads, the measurement enabling alignment of a position and an angle of a lens barrel deviated from a reference position according to an error in position and focus of the measured at least three beams. | 06-23-2011 |
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| 20100033864 | METHODS OF FORMING AND READING SERVO TRACK AND DATA STORAGE APPARATUS - A method of forming a servo track on a recording medium includes; forming a magnetic layer, defining a first servo track region having a plurality of first magnetic segments and a second servo track region having a second plurality of magnetic segments in the magnetic layer, applying a first magnetic field to induce a first magnetization direction in the first and second pluralities of magnetic segments, forming first magnetic patterns, each having a first width, and second magnetic patterns, each having a second width different from the first width, on a first side of a substrate, disposing the substrate on the recording medium, such that the first magnetic patterns are aligned in correspondence with the plurality of first magnetic segments and the second magnetic patterns are aligned in correspondence with the plurality of second magnetic segments, and applying a second magnetic field to the recording medium to selectively induce a second magnetization direction into first selected ones of the first plurality of magnetic segments and second selected ones of the second plurality of magnetic segments. | 02-11-2010 |
| 20100265614 | SERVO PATTERN WRITING METHOD OF HARD DISK DRIVE - A method of writing a servo pattern in a hard disk drive includes manufacturing a master pattern, and writing the reference servo pattern to the disk by using the master pattern and a magnet for magnetizing the disk. The master pattern includes a plurality of ammonite cycles that have substantially the same pattern as the reference servo pattern and are radially formed from the outside toward the inside of the disk. A final servo pattern may be written using the reference servo pattern. | 10-21-2010 |
| 20100296943 | Thermal barrier coated materilas, method of preparation thereof, and method of coating using them - A sintered material for a thermal barrier coating is provided. The sintered material comprises Gd | 11-25-2010 |
| 20100305425 | Medical System For Providing External Trigger Signal - There are disclosed embodiments for a medical system capable of providing an external trigger signal. The medical system comprises at least one of an ECG signal providing unit to provide an ECG signal indicative of an electrical change in a target object, a reference signal providing unit to provide at least one reference signal for triggering an operation of the medical system, and a medical image providing unit to provide a medical image of the target object. The medical system may further comprise a processor to form an external trigger signal using at least one of the ECG signal, reference signal and medical image. The medical system may further comprise a signal interface unit to transmit the external trigger signal to an external device coupled to the medical system. | 12-02-2010 |
| 20110006979 | SYSTEM FOR CONTROLLING BRIGHTNESS FLICKER OF PARALLAX BARRIER LCD THAT HAS WIDE VIEWING ANGLE AND METHOD THEREOF - A system for controlling brightness flicker of a parallax barrier LCD having a wide viewing angle capable of minimizing brightness flicker by adjusting a permittivity curve depending on different times into a predetermined waveform when split barriers are on/off by movement of a viewer's viewing angle, and a method thereof. A method of controlling brightness flicker of a parallax barrier LCD having a wide viewing angle for controlling brightness of a display providing a stereoscopic image by acquiring a real-time image of a viewer, recognizing an image of the viewer and extracting locations and coordinates of eyes of the viewer, and controlling turn-on/off of split barrier electrodes. | 01-13-2011 |
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| 20100319373 | Ice-making unit and refrigerator having the same - Disclosed herein are an ice-making unit, which uses a cooling unit in which a refrigerant pipe is received, and a refrigerator having the same. The cooling unit includes a cooler for conduction of coldness, an inner surface of the cooler coming into direct contact with the refrigerant pipe, realizing a direct cooling type ice making operation. A rotatable tray is provided under the cooling unit, so that an ice-separating member attached to the cooling unit pushes ice upon rotation of the tray, allowing the ice to be discharged in a direction opposite to the rotating direction of the tray. | 12-23-2010 |
| 20100326118 | Ice maker and refrigerator having the same - Disclosed herein are an ice maker and a refrigerator having the same. The ice maker includes an ice making tray including a plurality of ice making cells, a driving unit to rotate the ice making tray, a plurality of blades corresponding to the plurality of ice making cells to block the ice cubes made in the ice making cells and thus twist the ice making tray while removing the ice cubes from the ice making cells when the ice making tray is rotated, and a protrusion formed on the ice making tray to assist the removal of the ice cubes from the ice making cells. The ice maker removes the ice cubes from the ice making tray by a twisting-type deicing process using the plurality of blades and the protrusion. | 12-30-2010 |
| 20110000248 | Icemaker unit and refrigerator having the same - An icemaker unit and a refrigerator having the same. A drainage duct is provided to the icemaker unit, including a longitudinally inclined structure, a laterally inclined structure, and drainage holes to enhance drainage of the water. An upper part of the drainage duct is formed of a high heat-conductivity material and a lower part of the drainage duct of a low heat-conductivity material. | 01-06-2011 |
| 20110162392 | Control method of refrigerator - A control method of a refrigerator to prevent frost from being formed in an ice making chamber. The refrigerator includes an ice making chamber refrigerant pipe to supply a refrigerant to make ice in a direct cooling manner and an ice making chamber circulation fan to create a forced air stream to circulate air in the ice making chamber. The control method includes determining whether temperature of the ice making chamber is lower than a predetermined temperature and driving the ice making chamber circulation fan in a state in which the temperature of the ice making chamber is lower than the predetermined temperature and the refrigerant flows in the ice making chamber refrigerant pipe or when flow of the refrigerant in the ice making chamber refrigerant pipe is interrupted in a state in which the temperature of the ice making chamber is lower than the predetermined temperature. | 07-07-2011 |
| 20110162404 | Refrigerator having ice making compartment - A refrigerator includes an ice making unit. The refrigerator also includes a refrigeration cycle including a refrigerant pipe to supply cooling energy to an ice making compartment, and a fixing member to fix a first portion of the refrigerant pipe, at least a second portion of the refrigerant pipe supported by and inserted into the ice making compartment. | 07-07-2011 |
| 20110162405 | Ice making unit and refrigerator having the same - An ice making unit and a refrigerator having the same are discussed. The refrigerator includes an ice making unit arranged in the ice making compartment, to produce ice, and a refrigeration cycle comprising a refrigerant pipe to supply cooling energy to the ice making compartment. Air present in the ice making compartment is cooled while undergoing direct heat exchange with at least one of the ice making unit and the refrigerant pipe. | 07-07-2011 |
| 20110162406 | Refrigerator having ice making compartment with refrigerant pipe support structure - A refrigerator including a refrigeration cycle including a refrigerant pipe to supply cooling energy to an ice making compartment, an ice making tray, on which at least a portion of the refrigerant pipe is seated, a drainage duct to collect condensed water falling from the ice making tray or from at least a portion of the refrigerant pipe, and to drain the collected water, and at least one fixer to fix at least a portion of the refrigerant pipe to the ice making tray. The fixer is protruded from the drainage duct. | 07-07-2011 |
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| 20090187821 | IMAGE FORMING APPARATUS AND METHOD OF DISPLAYING FILE LIST THEREIN - The image forming apparatus includes a display part on which a first and second list of a file, which are to be printed, is displayed and a controller which controls a display of the first list of a file which corresponds to a predetermined condition simultaneously with a display of the second list of a file which does not correspond to the predetermined condition, the second list displayed on the display part by a different display method than the first list. | 07-23-2009 |
| 20100046020 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND FUNCTION MENU ADJUSTING METHOD IN IMAGE FORMING APPARATUS - An image forming apparatus includes an image forming unit to perform printing, or scanning, or copying or facsimile, or any combination thereof; a user authentication unit to authenticate a user of the image forming apparatus; a display unit to display a function menu to the authenticated user; and a controller to determine whether any function in the function menu displayed to the authenticated user has not been used for more than a reference time, and adjusting the displayed function menu to remove any function in the displayed function menu that has not been used for more than the reference time. | 02-25-2010 |
| 20110047450 | METHOD OF PROVIDING DOCUMENT BOX AS WEB PAGE AND IMAGE FORMING APPARATUS TO PERFORM THE SAME - A method of providing at least one document box as a web page includes creating at least one document box, storing at least one document in the at least one created document box, creating a web page to correspond to the at least one document box, converting the at least one document stored in the at least one document box into image data having an image form to represent the at least one document as the web page, and providing at least one of the created web page and the converted image data in response to a request of a client. | 02-24-2011 |
| 20110075199 | IMAGE FORMING APPARATUS AND MULTI-JOB METHOD THEREOF - A multi job performing method of an image forming apparatus which includes a document feeder which loads and feeds a plurality of documents and an operation panel which is used to set a job option includes loading the documents on the document feeder to separate the documents according to an orientation of the documents, setting multi-job options corresponding to the documents from the operation panel, scanning the loaded documents, separating multiple jobs according to the orientation of the scanned documents, and performing the multiple jobs according to the multi-job options corresponding to the separated multi jobs. The image forming apparatus and the multi-job operation method separately performs multiple jobs by using an orientation of a document loaded to a paper without an additional prior operation. | 03-31-2011 |
