Patent application number | Description | Published |
20080224267 | SEMICONDUCTOR DEVICES INCLUDING HYDROGEN IMPLANTATION LAYERS AND METHODS OF FORMING THE SAME - Provided are semiconductor devices and methods of forming the same. The semiconductor devices include a substrate further including a hydrogen implantation layer and a gate structure formed on the hydrogen implantation layer to include a first insulating layer, a charge storage layer, a second insulating layer and a conductive layer. | 09-18-2008 |
20080272434 | NON-VOLATILE MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME - A non-volatile memory device and a method of manufacturing the same are disclosed. In the non-volatile memory device, first gate structures and first impurity diffusion regions are formed on a substrate. A first insulating interlayer is formed on the substrate. A semiconductor layer including second gate structures and second impurity diffusion regions is formed on the first insulating interlayer. A second insulating interlayer is formed on the semiconductor layer. A contact plug connecting the first impurity diffusion regions to the second impurity diffusion regions is formed. A common source line connected to the contact plug is formed on the second insulating interlayer. The common source line connected to the first and second impurity diffusion regions is formed over a top semiconductor layer. | 11-06-2008 |
20090185407 | Semiconductor Memory Device Having Transistors of Stacked Structure - Provided is a semiconductor device having transistors of stacked structure. The semiconductor memory device having transistors includes a memory cell array block which includes a plurality of word lines and a plurality of memory cells which each includes at least one first transistor connected between the plurality of word lines, and a word line decoder which includes a plurality of drivers which drive the plurality of word lines, respectively, wherein a plurality of word lines are disposed on a first layer, and a plurality of drivers are disposed on at least two second layers. | 07-23-2009 |
20090233405 | METHODS OF FORMING NAND-TYPE NONVOLATILE MEMORY DEVICES - Methods of forming a NAND-type nonvolatile memory device include: forming first common drains and first common sources alternatively in an active region which is defined in a semiconductor substrate and extends one direction, forming a first insulating layer covering an entire surface of the semiconductor substrate, patterning the first insulating layer to form seed contact holes which are arranged at regular distance and expose the active region, forming a seed contact structure filling each of the seed contact holes and a semiconductor layer disposed on the first insulating layer and contacting the seed contact structures, patterning the semiconductor layer to form a semiconductor pattern which extends in the one direction and is disposed over the active region, forming second common drains and second common sources disposed alternatively in the semiconductor pattern in the one direction, forming a second insulating layer covering an entire surface of the semiconductor substrate, forming a source line pattern continuously penetrating the second insulating layer, the semiconductor pattern and the first insulating layer, the source line pattern being connected with the first and second common sources, wherein a grain boundary of the semiconductor layer is positioned at a center between the one pair of seed contact structures adjacent to each other, and is positioned over the first common drain or the first common source. | 09-17-2009 |
20090253257 | METHODS OF FABRICATING MULTI-LAYER NONVOLATILE MEMORY DEVICES - A nonvolatile memory device includes a semiconductor substrate having a first well region of a first conductivity type, and at least one semiconductor layer formed on the semiconductor substrate. A first cell array is formed on the semiconductor substrate, and a second cell array formed on the semiconductor layer. The semiconductor layer includes a second well region of the first conductivity type having a doping concentration greater than a doping concentration of the first well region of the first conductivity type. As the doping concentration of the second well region is increased, a resistance difference may be reduced between the first and second well regions. | 10-08-2009 |
20090294821 | SEMICONDUCTOR DEVICE HAVING DRIVING TRANSISTORS - One embodiment exemplarily described herein can be generally characterized as a semiconductor device that includes a lower level device layer located over a semiconductor substrate, an interlayer insulating film located over the lower level device layer and an upper level device layer located over the interlayer insulating film. The lower level device layer may include a plurality of devices formed in the substrate. The upper level device layer may include a plurality of semiconductor patterns and at least one device formed in each of the plurality of semiconductor patterns. The plurality of semiconductor patterns may be electrically isolated from each other. Each of the plurality of semiconductor patterns may include at least one active portion and at least one body contact portion electrically connected to the at least one active portion. | 12-03-2009 |
20090294863 | Semiconductor Memory Device Having Three Dimensional Structure - A semiconductor device and method for arranging and manufacturing the same are disclosed. The semiconductor device includes a plurality of inverters including at least one first pull-up transistor and first pull-down transistor and inverting and outputting an input signal, respectively; and a plurality of NAND gates including at least two second pull-up transistor and second pull-down transistor and generating an output signal having a high level if at least one of at least two input signals has a low level, respectively, wherein the at least one first pull-up transistor and first pull-down transistor and the at least two second pull-up transistor and second pull-down transistor are stacked and arranged on at least two layers. | 12-03-2009 |
20100032762 | Stack-Type Semiconductor Device - A stack-type semiconductor device and a method of manufacturing the same are provided. The stack-type semiconductor device includes an insulation layer on a single-crystalline substrate, a contact plug penetrating the insulation layer to contact the single-crystalline substrate, an upper semiconductor pattern including an impurity region and a gate structure positioned between the impurity regions on the upper semiconductor pattern. An upper surface of the contact plug contacts a lower surface of the semiconductor pattern. An operation failure of the stack-type semiconductor device is reduced since the upper semiconductor pattern is electrically connected to the single-crystalline semiconductor substrate. | 02-11-2010 |
20100240209 | SEMICONDUCTOR DEVICES INCLUDING HYDROGEN IMPLANTATION LAYERS AND METHODS OF FORMING THE SAME - Provided are semiconductor devices and methods of forming the same. The semiconductor devices include a substrate further including a hydrogen implantation layer and a gate structure formed on the hydrogen implantation layer to include a first insulating layer, a charge storage layer, a second insulating layer and a conductive layer. | 09-23-2010 |
20100330752 | Methods of Forming One Transistor DRAM Devices - A one transistor DRAM device includes: a substrate with an insulating layer, a first semiconductor layer provided on the insulating layer and including a first source region and a first region which are in contact with the insulating layer and a first floating body between the first source region and the first drain region, a first gate pattern to cover the first floating body, a first interlayer dielectric to cover the first gate pattern, a second semiconductor layer provided on the first interlayer dielectric and including a second source region and a second drain region which are in contact with the first interlayer dielectric and a second floating body between the second source region and the second drain region, and a second gate pattern to cover the second floating body. | 12-30-2010 |
20110163411 | MULTI-LAYER MEMORY DEVICES - A nonvolatile memory device includes a semiconductor substrate having a first well region of a first conductivity type, and at least one semiconductor layer formed on the semiconductor substrate. A first cell array is formed on the semiconductor substrate, and a second cell array formed on the semiconductor layer. The semiconductor layer includes a second well region of the first conductivity type having a doping concentration greater than a doping concentration of the first well region of the first conductivity type. As the doping concentration of the second well region is increased, a resistance difference may be reduced between the first and second well regions. | 07-07-2011 |
20110266623 | Semiconductor Memory Device Having Three Dimensional Structure - A semiconductor device and method for arranging and manufacturing the same are disclosed. The semiconductor device includes a plurality of inverters including at least one first pull-up transistor and first pull-down transistor and inverting and outputting an input signal, respectively; and a plurality of NAND gates including at least two second pull-up transistor and second pull-down transistor and generating an output signal having a high level if at least one of at least two input signals has a low level, respectively, wherein the at least one first pull-up transistor and first pull-down transistor and the at least two second pull-up transistor and second pull-down transistor are stacked and arranged on at least two layers. | 11-03-2011 |