Patent application number | Description | Published |
20100136790 | Method of fabricating semiconductor integrated circuit device - A method of fabricating a semiconductor integrated circuit device, including providing a semiconductor substrate, sequentially forming an etching target layer and a hard mask layer on the semiconductor substrate, forming first etch masks on the hard mask layer, the first etch masks including a plurality of first line patterns spaced apart from one another at a first pitch and extending in a first direction, forming first hard mask patterns by etching the hard mask layer using the first etch masks, forming second etch masks on the first hard mask patterns, the second etch masks including a plurality of second line patterns spaced apart from one another at a second pitch and extending in a second direction different from the first direction, forming second hard mask patterns by etching the first hard mask patterns using the second etch masks, forming spacers on sidewalls of the second hard mask patterns, and patterning the etching target layer using the second hard mask patterns having the spacers. | 06-03-2010 |
20100173497 | Method of fabricating semiconductor integrated circuit device - A method manufacturing a semiconductor integrated circuit device includes providing a substrate; sequentially forming a layer to be etched, a first layer, and a second layer on the substrate; forming on the first and second layers a first etch mask having a plurality of first line patterns separated from each other by a first pitch and extending in a first direction; sequentially performing first etching on the second layer and the first layer using the first etch mask to form an intermediate mask pattern with second and first patterns; forming on the intermediate mask pattern a second etch mask including a plurality of second line patterns separated from each other by a second pitch and extending in a second direction other than the first direction; performing second etching using the second etch mask on a portion of the second pattern so that the remaining portion of the second pattern is left on the first pattern; performing third etching using the second etch mask under different conditions than the second etching on the first pattern and the remaining portion of second pattern of the intermediate mask pattern and forming a final mask pattern; and patterning the layer to be etched using the final mask pattern. | 07-08-2010 |
20100200929 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit memory device includes a gate line that extends in a first direction, an active region adjacent to a first end of the gate line and that extends in a second direction, a silicide layer formed on a top surface of the active region, on a top surface of the gate line, on both sidewalls of the first end of the gate line, and on a transverse endwall of the first end of the gate line. A spacer may be formed on sidewalls of the gate line, excluding the first end of the gate line, and a contact shared by the active region may be formed on the first end of the gate line. | 08-12-2010 |
20100230758 | SEMICONDUCTOR DEVICE WITH IMPROVED STRESSOR SHAPE - A formation method and resulting strained semiconductor device are provided, the formation method including forming transistors on a substrate, each transistor having a gate disposed over a channel region, etching or annealing an elongated trench between adjacent channel regions, where the trench has a lower boundary that is deeper towards its ends than towards its center, and conformably embedding an elongated stress region in the trench between adjacent channel regions; and the resulting strained semiconductor device including transistors, each having a gate disposed over a channel region, and elongated stress regions disposed between adjacent channel regions, wherein each of the elongated stress regions has a lower boundary that is deeper towards its ends than towards its center. | 09-16-2010 |
20140103405 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE - A method is provided for fabricating a semiconductor device that includes: forming a gate pattern on a substrate; forming a source/drain in the vicinity of the gate pattern; forming an etch stop film, which covers the gate pattern and the source/drain, on the substrate; forming an interlayer insulating film on the etch stop film; forming a shared contact hole that exposes the gate pattern and the source/drain by etching the interlayer insulating film, wherein a polymer is generated in the shared contact hole a process of etching the interlayer insulating film; removing the polymer by performing etching using hydrogen gas, nitrogen gas or a mixture of hydrogen and nitrogen before etching the etch stop film; and etching the etch stop film. | 04-17-2014 |
20140120681 | METHODS OF FABRICATING SEMICONDUCTOR DEVICES HAVING GATE STRUCTURE - A method of fabricating a semiconductor device includes forming a gate electrode structure on a substrate, forming a first spacer material layer covering the gate electrode structure, forming a second spacer material layer covering the first spacer material layer, and etching the first and second spacer material layers using an etch-back process to form first and second spacers. | 05-01-2014 |