Abstract: There is provided a method of manufacturing a non-volatile memory device including: alternatively stacking a plurality of insulating layers and a plurality of conductive layers on a top surface of a substrate; forming an opening that exposes the top surface of the substrate and lateral surfaces of the insulating layers and the conductive layers; forming an anti-oxidation layer on at least the exposed lateral surfaces of the conductive layers; forming a gate dielectric layer on the anti-oxidation layer, the gate dielectric layer including a blocking layer, an electric charge storage layer, and a tunneling layer that are sequentially formed on the anti-oxidation layer; and forming a channel region on the tunneling layer

Abstract: Semiconductor devices are provided. The semiconductor devices may include a substrate, a ground selection gate electrode, and a channel structure. The channel structure may extend the ground selection gate electrode in a first direction perpendicular to a top surface of the substrate, and include a channel layer, a channel contact layer, and a stepped portion. The channel contact layer may contact the substrate and include a first width in a second direction perpendicular to the first direction. The channel layer may contact the channel contact layer, include a bottom surface between a bottom surface of the ground selection gate electrode and the top surface of the substrate in the first direction, and include a second width in the second direction different from the first width.

Abstract: A method of fabricating a semiconductor device includes forming a stacked structure in which 2n (here, n is an integer which is 2 or more) deposited sacrificial layers and 2n deposited insulating layers disposed on the 2n deposited sacrificial layers respectively are alternately deposited in a third direction perpendicular to a first direction and a second direction on a substrate having an upper surface extending in the first and second directions which are perpendicular to each other. Methods include forming a recess group including 2n?1 first recesses penetrating 20 through 2n?1 deposited sacrificial layers and forming a buried insulating layer group including 2n?1 buried insulating layers filling the 2n?1 first recesses respectively. A contact plug group including 2n contact plugs penetrating an uppermost deposited insulating layer of the 2n deposited insulating layers and the 2n?1 buried insulating layers may be formed.

Abstract: A vertical semiconductor device includes a channel structure extending from a substrate in a first direction perpendicular to an upper surface of the substrate, and a ground selection line, word lines, and a string selection line sequentially formed on a side surface of the channel structure in the first direction to be separated from one another. The channel structure includes a protruding region formed in a side wall portion of the channel structure between the ground selection line and the upper surface of the substrate, the protruding region protruding in a horizontal direction perpendicular to the first direction.

Abstract: Methods of fabricating a vertical cell semiconductor device including forming a hole passing through a stacked structure of alternating insulating and sacrificial layers on a substrate, forming an amorphous silicon layer conforming to an inner wall of the hole, forming a silicon region on the amorphous silicon layer, and metal induced crystallizing the amorphous silicon layer via the silicon region to form a single-crystalline channel structure in the hole.

Abstract: A method of fabricating a semiconductor device includes forming a stacked structure in which 2n (here, n is an integer which is 2 or more) deposited sacrificial layers and 2n deposited insulating layers disposed on the 2n deposited sacrificial layers respectively are alternately deposited in a third direction perpendicular to a first direction and a second direction on a substrate having an upper surface extending in the first and second directions which are perpendicular to each other. Methods include forming a recess group including 2n?1 first recesses penetrating 20 through 2n?1 deposited sacrificial layers and forming a buried insulating layer group including 2n?1 buried insulating layers filling the 2n?1 first recesses respectively. A contact plug group including 2n contact plugs penetrating an uppermost deposited insulating layer of the 2n deposited insulating layers and the 2n?1 buried insulating layers may be formed.

Abstract: A nonvolatile memory device having a vertical structure and a method of manufacturing the same, the nonvolatile memory device including a channel region that vertically extends from a substrate; gate electrodes on the substrate, the gate electrodes being disposed along an outer side wall of the channel region and spaced apart from one another; and a channel pad that extends from one side of the channel region to an outside of the channel region, the channel pad covering a top surface of the channel region.

Abstract: A non-volatile memory device may include a semiconductor substrate including an active region at a surface thereof, a ground select line crossing the active region, and a string select line crossing the active region and spaced apart from the ground select line. A plurality of memory cell word lines may cross the active region between the ground select line and the string select line with about a same first spacing provided between adjacent ones of the plurality of word lines and between a last of the plurality of memory cell word lines and the string select line. A second spacing may be provided between the ground select line and a first of the plurality of memory cell word lines.

Abstract: A nonvolatile memory device having a vertical structure and a method of manufacturing the same, the nonvolatile memory device including a channel region that vertically extends from a substrate; gate electrodes on the substrate, the gate electrodes being disposed along an outer side wall of the channel region and spaced apart from one another; and a channel pad that extends from one side of the channel region to an outside of the channel region, the channel pad covering a top surface of the channel region.

Abstract: A method of fabricating a semiconductor device includes forming a stacked structure in which 2n (here, n is an integer which is 2 or more) deposited sacrificial layers and 2n deposited insulating layers disposed on the 2n deposited sacrificial layers respectively are alternately deposited in a third direction perpendicular to a first direction and a second direction on a substrate having an upper surface extending in the first and second directions which are perpendicular to each other. Methods include forming a recess group including 2n?1 first recesses penetrating 20 through 2n?1 deposited sacrificial layers and forming a buried insulating layer group including 2n?1 buried insulating layers filling the 2n?1 first recesses respectively. A contact plug group including 2n contact plugs penetrating an uppermost deposited insulating layer of the 2n deposited insulating layers and the 2n?1 buried insulating layers may be formed.

Abstract: A nonvolatile memory device having a vertical structure and a method of manufacturing the same, the nonvolatile memory device including a channel region that vertically extends from a substrate; gate electrodes on the substrate, the gate electrodes being disposed along an outer side wall of the channel region and spaced apart from one another; and a channel pad that extends from one side of the channel region to an outside of the channel region, the channel pad covering a top surface of the channel region.

Abstract: A non-volatile memory device may include a semiconductor substrate including an active region at a surface thereof, a ground select line crossing the active region, and a string select line crossing the active region and spaced apart from the ground select line. A plurality of memory cell word lines may cross the active region between the ground select line and the string select line with about a same first spacing provided between adjacent ones of the plurality of word lines and between a last of the plurality of memory cell word lines and the string select line. A second spacing may be provided between the ground select line and a first of the plurality of memory cell word lines.

Abstract: A non-volatile memory device may include a semiconductor substrate including an active region at a surface thereof, a first memory cell string on the active region, and a second memory cell string on the active region. The first memory cell string may include a first plurality of word lines crossing the active region between a first ground select line and a first string select line, and about a same first spacing may be provided between adjacent ones of the first plurality of word lines. The second memory cell string may include a second plurality of word lines crossing the active region between a second ground select line and a second string select line, and about the same first spacing may be provided between adjacent ones of the second plurality of word lines. Related methods are also discussed.

Abstract: A non-volatile memory device includes a semiconductor layer including a cell region and a peripheral region, a cell region gate structure disposed in the cell region of the semiconductor layer, and wherein the cell region gate structure includes a tunneling insulating layer and a first blocking insulating layer, a second blocking insulating layer, and a third blocking insulating layer. The no-volatile memory device further includes a peripheral region gate structure formed in the peripheral region of the semiconductor layer. The peripheral region gate structure includes a first peripheral region insulating layer including a same material as a material included in the tunneling insulating layer and a second peripheral region insulating layer including a same material as a material included in the third blocking insulating layer.

Abstract: A non-volatile memory device may include a semiconductor substrate including an active region at a surface thereof, a first memory cell string on the active region, and a second memory cell string on the active region. The first memory cell string may include a first plurality of word lines crossing the active region between a first ground select line and a first string select line, and about a same first spacing may be provided between adjacent ones of the first plurality of word lines. The second memory cell string may include a second plurality of word lines crossing the active region between a second ground select line and a second string select line, and about the same first spacing may be provided between adjacent ones of the second plurality of word lines. Related methods are also discussed.

Abstract: Provided are nonvolatile memory devices and methods of forming nonvolatile memory devices. Nonvolatile memory devices include a device isolation layer that defines an active region in a substrate. Nonvolatile memory devices further include a first insulating layer, a nonconductive charge storage pattern, a second insulating layer and a control gate line that are sequentially disposed on the active region. The charge storage pattern includes a horizontal portion and a protrusion disposed on an upper portion of an edge of the horizontal portion.

Abstract: An integrated circuit includes flash memory cells, and peripheral circuitry including low voltage transistors (LVT) and high voltage transistors (HVT). The integrated circuit includes a tunnel barrier layer comprising SiON, SiN or other high-k material. The tunnel barrier layer may comprise a part of the gate dielectric of the HVTs. The tunnel barrier layer may constitute the entire gate dielectric of the HVTs. The corresponding tunnel barrier layer may be formed between or upon shallow trench isolation (STIs). Therefore, the manufacturing efficiency of a driver chip IC may be increased.

Abstract: A non-volatile memory device may include a semiconductor substrate including an active region at a surface thereof, a first memory cell string on the active region, and a second memory cell string on the active region. The first memory cell string may include a first plurality of word lines crossing the active region between a first ground select line and a first string select line, and about a same first spacing may be provided between adjacent ones of the first plurality of word lines. The second memory cell string may include a second plurality of word lines crossing the active region between a second ground select line and a second string select line, and about the same first spacing may be provided between adjacent ones of the second plurality of word lines. Moreover, the first ground select line may be between the second ground select line and the first plurality of word lines, and the second ground select line may be between the first ground select line and the second plurality of word lines.

Abstract: Provided are nonvolatile memory devices and methods of forming nonvolatile memory devices. Nonvolatile memory devices include a device isolation layer that defines an active region in a substrate. Nonvolatile memory devices further include a first insulating layer, a nonconductive charge storage pattern, a second insulating layer and a control gate line that are sequentially disposed on the active region. The charge storage pattern includes a horizontal portion and a protrusion disposed on an upper portion of an edge of the horizontal portion.

Abstract: Provided are nonvolatile memory devices and methods of forming nonvolatile memory devices. Nonvolatile memory devices include a device isolation layer that defines an active region in a substrate. Nonvolatile memory devices further include a first insulating layer, a nonconductive charge storage pattern, a second insulating layer and a control gate line that are sequentially disposed on the active region. The charge storage pattern includes a horizontal portion and a protrusion disposed on an upper portion of an edge of the horizontal portion.