Patent application number | Description | Published |
20090016768 | ARTICLE OF CONSUMPTION AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus having a consumable detachably installed in the main body is disclosed. The image forming apparatus includes a main body having a first opening, a consumable which is detachably installed in the main body, a door mounted on the main body to open and close the first opening, and locking members operable in association with the movement of the door to secure the consumable in place as the door is closed. Possible damages due to the movement of the consumable such as a photosensitive cartridge during shipping and/or transporting of the image forming apparatus can be prevented by the locking members. | 01-15-2009 |
20090175649 | IMAGE FORMING APPARATUS - An image forming apparatus disclosed includes a body, a cover to open and close an opening of the body, a plurality of photosensitive members provided in the body, a light scanning device to irradiate a light beam to the plurality of photosensitive members, the light scanning device including a plurality of passage windows corresponding to the plurality of photosensitive members, and a shutter device to open and close the respective passage windows in accordance with opening and closing movements of the cover. | 07-09-2009 |
20090317128 | IMAGE FORMING APPARATUS - An image forming apparatus in which an exposing unit is mounted on a cover unit for improved space utilization. The image forming apparatus includes a body, a plurality of developing units arranged in the body along vertical direction of the body, a cover unit that opens or closes a side of the body an exposing unit provided at the cover unit so as to move in association with the closing or opening movement of the cover unit. The image forming apparatus may also include an engagement member to limit the movement of the exposing unit and a shutter unit to selectively open an optical path of the exposing unit upon closure of the cover unit. | 12-24-2009 |
20120148289 | IMAGE FORMING APPARATUS WITH DEVELOPING UNIT DRAWER - An image forming apparatus includes installation/separation of a high-voltage connector to apply high-voltage current to a developing unit, a connector to transmit developing information, and a coupling connector to connect or disconnect a coupling to transmit power to rollers of the developing unit is performed as a drawer is pushed into or pulled out of a main body. | 06-14-2012 |
Patent application number | Description | Published |
20090039333 | PHASE CHANGE MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A phase change memory device includes a silicon substrate having a bar-type active region and an N-type impurity region formed in a surface of the active region. A first insulation layer is formed on the silicon substrate, and the first insulation layer includes a plurality of first contact holes and second contact holes. PN diodes are formed in the first contact holes. Heat sinks are formed in the first contact holes on the PN diodes, and contact plugs fill the second contact holes. A second insulation layer having third contact holes is formed on the first insulation layer. Heaters fill the third contact holes. A stack pattern of a phase change layer and a top electrode is formed to contact the heaters. The heat sink quickly cools heat transferred from the heater to the phase change layer. | 02-12-2009 |
20140160839 | SEMICONDUCTOR INTERGRATED CIRCUIT DEVICE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF DRIVING THE SAME - A semiconductor integrated circuit device, a method of manufacturing the same, and a method of driving the same are provided. The device includes a semiconductor substrate, an upper electrode extending from a surface of the semiconductor substrate; a plurality of switching structures extending from both sidewalls of the upper electrode in a direction parallel to the surface of the semiconductor substrate, and a phase-change material layer disposed between the plurality of switching structures and the upper electrode. | 06-12-2014 |
20140162429 | SEMICONDUCTOR INTERGRATED CIRCUIT DEVICE, METHOD OF MANUFACTURING THE SAME, AND METHOD OF DRIVING THE SAME - A semiconductor integrated circuit device, a method of manufacturing the same, and a method of driving the same are provided. The device includes a semiconductor substrate, an upper electrode extending from a surface of the semiconductor substrate; a plurality of switching structures extending from both sidewalls of the upper electrode in a direction parallel to the surface of the semiconductor substrate, and a phase-change material layer disposed between the plurality of switching structures and the upper electrode. | 06-12-2014 |
20140166965 | RESISTIVE MEMORY DEVICE AND FABRICATION METHOD THEREOF - A resistive memory device may include a bottom structure, a memory cell structure disposed on the bottom structure, and a data storage material disposed to surround an outer sidewall of the memory cell structure. | 06-19-2014 |
20140325120 | RESISTIVE MEMORY DEVICE AND OPERATION METHOD THEREOF - A resistive memory device includes a memory cell array including a unit memory cell coupled between a word line and a bit line, wherein the unit memory cell includes a data storage material and a non-silicon-substrate-based type bidirectional access device coupled in series, a path setting circuit coupled between the bit line and the word line, suitable for providing a program pulse toward the bit line or the word line based on a path control signal, a forward write command, and a reverse write command, and a control unit suitable for providing a write path control signal, a forward program command, and a reverse program command based on an external command signal. | 10-30-2014 |
20150069582 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device includes a semiconductor substrate, a plurality of pillars vertically extending from the semiconductor substrate, each pillar including a groove formed in an upper surface thereof, a salicide layer formed to cover the upper surface and a lateral circumference of an upper end of each pillar and a lower electrode formed to cover an upper surface and a lateral surface of the salicide layer. | 03-12-2015 |