摘要:
Provided are three-dimensional semiconductor memory devices and methods of fabricating the same. The device may include an electrode structure extending in a first direction and including electrodes and insulating patterns which are alternately and repeatedly stacked on a substrate, and vertical active patterns penetrating the electrode structure. At least an uppermost electrode of the electrodes is divided into a plurality of physically isolated segments arranged in the first direction. The segments of the uppermost electrode are electrically connected to each other.
摘要:
Provided are three-dimensional semiconductor memory devices and methods of fabricating the same. The device may include an electrode structure extending in a first direction and including electrodes and insulating patterns which are alternately and repeatedly stacked on a substrate, and vertical active patterns penetrating the electrode structure. At least an uppermost electrode of the electrodes is divided into a plurality of physically isolated segments arranged in the first direction. The segments of the uppermost electrode are electrically connected to each other.
摘要:
A gate structure of a non-volatile memory device and a method of forming the same including a tunnel oxide layer pattern, a charge trap layer pattern, a blocking dielectric layer pattern having the uppermost layer including a material having a first dielectric constant greater than that of a material included in the tunnel oxide layer pattern, and first and second conductive layer patterns. The gate structure includes a first spacer to cover at least the sidewall of the second conductive layer pattern. The gate structure includes a second spacer covering the sidewall of the first spacer and the sidewall of the first conductive layer pattern and including a material having a second dielectric constant equal to or greater than the first dielectric constant. In the non-volatile memory device including the gate structure, erase saturation caused by back tunneling is reduced.
摘要:
One example embodiment of a semiconductor device includes a memory cell array formed on a substrate. The memory cell array includes a gate stack including alternating conductive and insulating layers. A first lower conductive layer in the gate stack has a portion disposed below a first upper conductive layer in the gate stack, and a first contact area of the first lower conductive layer is disposed higher than a second contact area of the first upper conductive layer. The semiconductor device further includes first and second contact plugs extending into the gate stack to contact the first and second contact areas, respectively.
摘要:
One example embodiment of a semiconductor device includes a memory cell array formed on a substrate. The memory cell array includes a gate stack including alternating conductive and insulating layers. A first lower conductive layer in the gate stack has a portion disposed below a first upper conductive layer in the gate stack, and a first contact area of the first lower conductive layer is disposed higher than a second contact area of the first upper conductive layer. The semiconductor device further includes first and second contact plugs extending into the gate stack to contact the first and second contact areas, respectively.
摘要:
Semiconductor devices and methods of manufacturing the semiconductor devices are provided. The semiconductor devices may include a semiconductor pattern including an opening on a semiconductor substrate. A peripheral transistor and a peripheral interconnection structure may be disposed between the semiconductor substrate and the semiconductor pattern. The peripheral interconnection structure may be electrically connected to the peripheral transistor. Cell gate conductive patterns may be disposed on the semiconductor pattern. The cell vertical structures may extend through the cell gate conductive patterns and may be connected to the semiconductor pattern. Cell bit line contact plugs may be disposed on the cell vertical structures. A bit line may be disposed on the cell bit line contact plugs. A peripheral bit line contact structure may be disposed between the bit line and the peripheral interconnection structure. The peripheral bit line contact structure may extend through the opening of the semiconductor.
摘要:
A semiconductor device includes a plurality of insulation patterns and a plurality of gates alternately and repeatedly stacked on a substrate, a channel pattern extending through the gates in a first direction substantially perpendicular to a top surface of the substrate, a semiconductor pattern between the channel pattern and the substrate, and a conductive pattern between the channel pattern and the semiconductor pattern. The conductive pattern electrically connects the channel pattern to the semiconductor pattern. The conductive pattern contacts a bottom edge of the channel pattern and an upper surface of the semiconductor pattern.
摘要:
A semiconductor device may include a cell gate conductive pattern in a cell array area that extends to a step area, a cell vertical structure in the cell array area that extends through the cell gate conductive pattern, a cell gate contact structure on the cell gate conductive pattern in the step area, a cell gate contact region in the cell gate conductive pattern and aligned with the cell gate contact structure, a first peripheral contact structure spaced apart from the cell gate conductive pattern, a second peripheral contact structure spaced apart from the first peripheral contact structure, a first peripheral contact region under the first peripheral contact structure, and a second peripheral contact region under the second peripheral contact structure. The cell gate contact region may include a first element and a remainder of the cell gate conductive pattern may not substantially include the first element.
摘要:
Semiconductor devices are provided. A semiconductor device may include a substrate and a plurality of lines on the substrate. The semiconductor device may include a dielectric layer on the substrate and adjacent the plurality of lines. The semiconductor device may include a connection element in the dielectric layer. In some embodiments, the semiconductor device may include a plurality of contacts on the connection element, and a conductive interconnection on one of the plurality of contacts that are on the connection element and on a contact that is spaced apart from the connection element.
摘要:
Provided are a semiconductor device and a method of fabricating the same. The device may include a substrate including a cell array region and a peripheral circuit region, stacks on the cell array region of the substrate, the stacks having a first height and extending along a direction, a common source structure disposed between adjacent ones of the stacks, a peripheral logic structure disposed on the peripheral circuit region of the substrate and having a second height smaller than the first height, a plurality of upper interconnection lines disposed on the peripheral logic structure and extending parallel to each other, and a interconnection structure disposed between the peripheral logic structure and the upper interconnection lines, when viewed in vertical section, and electrically connected to at least two of the upper interconnection lines.