摘要:
In one embodiment, a semiconductor device is provided with a semiconductor layer made of a nitride semiconductor, a first gate electrode, a first structure body between the first gate electrode and the semiconductor layer, and a first insulating layer between the semiconductor layer and the first structure body. The first structure body has a first intermediate layer made of a conductor to suppress generation of charges at respective interfaces with adjacent layers, a first layer having dielectric property between the first gate electrode and the first intermediate layer, and a second layer having dielectric property between the first gate electrode and the first layer, and has dipoles at an interface between the first layer and the second layer.
摘要:
Vertical memory devices, and methods of manufacturing the same, include providing a substrate including a cell array region and a peripheral circuit region, forming a mold structure in the cell array region, forming an opening for a common source line passing through the mold structure and extending in a first direction perpendicular to a top surface of the substrate, forming a first contact plug having an inner sidewall delimiting a recessed region in the opening for the common source line, and forming a common source bit line contact electrically connected to the inner sidewall of the first contact plug.
摘要:
A semiconductor device structure includes a hybrid substrate having a semiconductor-on-insulator (SOI) region that includes an active semiconductor layer, a substrate material and a buried insulating material interposed between the active semiconductor layer and the substrate material, and a bulk semiconductor region that includes the substrate material. An insulating structure is positioned in the hybrid substrate, wherein the insulating structure separates the bulk region from the SOI region, and a gate electrode is positioned above the substrate material in the bulk region, wherein the insulating structure is in contact with two opposing sidewalls of the gate electrode.
摘要:
A semiconductor device includes a substrate having a cell region and a peripheral region, a buried gate formed over the substrate of the cell region, a peripheral gate formed over the substrate of the peripheral region and comprising a conductive layer, an inter-layer dielectric layer that covers the substrate, and a peripheral bit line formed inside the inter-layer dielectric layer and contacting the conductive layer.
摘要:
The invention provides a non-volatile memory and a fabricating method thereof. The non-volatile memory includes a substrate, an embedded-type charge storage transistor, and a selection transistor. The substrate has an opening. The embedded-type charge storage transistor is disposed in the substrate. The embedded-type charge storage transistor includes a charge storage structure and a conductive layer. The charge storage structure is disposed on the substrate in the opening. The conductive layer is disposed on the charge storage structure and fills the opening. The selection transistor is disposed on the substrate at one side of the embedded-type charge storage transistor, wherein the selection transistor includes a metal gate structure. The non-volatile memory has excellent charge storage capacity.
摘要:
A method of manufacturing a semiconductor device includes forming on a lower structure, a first stack structure in which first material layers and second material layers are alternately stacked, forming, on the first stack structure, a second stack structure in which third material layers and fourth material layers are alternately stacked, forming preliminary holes penetrating the second stack structure, forming a fifth material layer covering the preliminary holes on the second stack structure to define a first air-gap inside the preliminary holes, and forming through holes connected to the preliminary holes by penetrating from the fifth material layer overlapping the preliminary holes to the first stack structure.
摘要:
A method of manufacturing a semiconductor device includes forming on a lower structure, a first stack structure in which first material layers and second material layers are alternately stacked, forming, on the first stack structure, a second stack structure in which third material layers and fourth material layers are alternately stacked, forming preliminary holes penetrating the second stack structure, forming a fifth material layer covering the preliminary holes on the second stack structure to define a first air-gap inside the preliminary holes, and forming through holes connected to the preliminary holes by penetrating from the fifth material layer overlapping the preliminary holes to the first stack structure.
摘要:
A monolithic three dimensional NAND string includes a plurality of control gate electrodes extending substantially parallel to a major surface of a substrate in at least one active region, a plurality of semiconductor channels having at least one end portion of each of the plurality of semiconductor channels extending substantially perpendicular to the major surface of the substrate, at least one memory film located between each of the plurality of control gate electrodes and each respective semiconductor channel of the plurality of semiconductor channels, and at least one first slit trench extending substantially perpendicular to the major surface of the substrate. Each of the plurality of control gate electrodes has a nonlinear side wall adjacent to the at least one first slit trench in the at least one active region.
摘要:
A split gate memory cell is fabricated with a word gate extending below an upper surface of a substrate having the channel region. An embodiment includes providing a band engineered channel with the word gate extending there through. Another embodiment includes forming a buried channel with the word gate extending below the buried channel.
摘要:
A semiconductor device includes an isolation layer defining an active region formed in a semiconductor substrate. A first recessing process is performed on the isolation layer to expose edge portions of the active region. A first rounding process is performed to round the edge portions of the active region. A second recessing process is performed on the isolation layer. A second rounding process is performed to round the edge portions of the active region.