摘要:
A reading method of a non-volatile memory device that includes a plurality memory cells that each include one floating gate and two control gates disposed adjacent to the floating gate on two alternate sides of the floating gate, respectively, and two adjacent memory cells share one control gate, the reading method comprising applying a read voltage to control gates of a selected memory cell, applying a second pass voltage to alternate control gates of the memory cells different from the control gates of the selected memory cells starting from the control gates next to the selected memory cell, and applying a first pass voltage that is lower than the second pass voltage to alternate the control gates of the memory cells different from the control gates of the selected memory cells starting from the control gates secondly next to the selected memory cell.
摘要:
A non-volatile memory device includes a substrate including a resistor layer having a resistance lower than that of a source line, channel structures including a plurality of inter-layer dielectric layers that are alternately staked with a plurality of channel layers over the substrate, and the source line configured to contact sidewalls of the channel layers, where a lower end of the source line contacts the resistor layer.
摘要:
A non-volatile memory device having a three-dimensional (3D) structure includes a plurality of line-type horizontal electrode structures configured to include a plurality of interlayer dielectric layers and a plurality of horizontal electrodes that are alternately stacked over a substrate, a plurality of pillar-type vertical electrodes configured to protrude from the substrate while contacting sidewalls of the plurality of the horizontal electrode structures, and a memory layer interposed between the plurality of the horizontal electrode structures and the plurality of the vertical electrodes, and configured to have a resistance value that varies based on a bias applied to the plurality of the horizontal electrodes and the plurality of the vertical electrodes.
摘要:
A nonvolatile memory device includes a channel vertically extending from a substrate and comprising a first region that is doped with first impurities and a second region that is disposed under the first region, a plurality of memory cells and a selection transistor stacked over the substrate along the channel, and a diffusion barrier interposed between the first region and the second region, wherein a density of the first impurities is higher than a density of impurities of the second region.
摘要:
A 3D non-volatile memory device includes a plate-type lower select line formed over a substrate, a lower select transistor formed in the lower select line, a plurality of memory cells stacked over the lower select transistor, an upper select transistor formed over the memory cells, and a line-type common source line formed over the substrate and spaced from the lower select line.
摘要:
A nonvolatile memory device includes a channel vertically extending from a substrate and comprising a first region that is doped with first impurities and a second region that is disposed under the first region, a plurality of memory cells and a selection transistor stacked over the substrate along the channel, and a diffusion barrier interposed between the first region and the second region, wherein a density of the first impurities is higher than a density of impurities of the second region.
摘要:
A non-volatile memory device in accordance with one embodiment of the present invention includes a substrate including a P-type impurity-doped region, a channel structure comprising a plurality of interlayer insulating layers that are alternately stacked with a plurality of channel layers on the substrate, a P-type semiconductor pattern that contacts sidewalls of the plurality of channel layers, wherein a lower end of the P-type semiconductor pattern contacts the P-type impurity-doped region, and source lines that are disposed at both sides of the P-type semiconductor pattern and contact the sidewalls of the plurality of channel layers.
摘要:
A 3D non-volatile memory device includes a plate-type lower select line formed over a substrate, a lower select transistor formed in the lower select line, a plurality of memory cells stacked over the lower select transistor, an upper select transistor formed over the memory cells, and a line-type common source line formed over the substrate and spaced from the lower select line.
摘要:
The inventive ferroelectric memory device includes: a semiconductor substrate providing elements of a transistor; a first inter-layer insulating layer formed on the semiconductor substrate; a storage node contact connected to elements of the transistor by passing through the first inter-layer insulating layer; a barrier layer contacting simultaneously to the storage node contact and the first inter-layer insulating layer; a lower electrode having a space for isolating the first inter-layer insulating layer and being formed on the barrier layer; a glue layer being formed on the first inter-layer insulating layer and encompassing lateral sides of the lower electrode as filling the space; a second inter-layer insulating layer exposing a surface of the lower electrode and encompassing the glue layer; a ferroelectric layer formed on the glue layer including the second inter-layer insulating layer; and an upper electrode formed on the ferroelectric layer.