摘要:
According to one embodiment, a semiconductor device includes a first resistance element including a first conductive material, an inter-gate insulation film formed on both ends of the first conductive material in a first direction, and a second conductive material formed above the first conductive material and configured to connect with the first conductive material via a first connection region from which the inter-gate insulation film is removed, and a second resistance element including a third conductive material, the inter-gate insulation film formed on both ends of the third conductive material in the first direction, and a fourth conductive material formed above the third conductive material and configured to connect with the third conductive material via a second connection region from which the inter-gate insulation film is removed, wherein a length of the second connection region is greater than a length of the first connection region in the first direction.
摘要:
A method of manufacturing a semiconductor device involves process for forming gate insulating films of different thickness on a semiconductor substrate, depositing films that constitute a gate electrode, removing the gate insulating films having different thickness formed on an impurity diffusion region surface of a transistor including the gate electrode, and doping impurities into a portion where the gate insulating film is removed.
摘要:
A semiconductor memory device includes a first transistor. The first transistor includes a gate electrode, a channel region, a source region, a source region, an overlapping region, a contact region, and an impurity diffusion region. The channel region has a first impurity concentration. The source and drain regions have a second impurity concentration. The overlapping region is formed in the semiconductor layer where the channel region overlaps the source region and the drain region, and has a third impurity concentration. The contact region has a fourth impurity concentration. The impurity diffusion region has a fifth impurity concentration higher than the second impurity concentration and lower than the fourth impurity concentration. The impurity diffusion region is in contact with the contact region and away from the overlapping region and positioned at least in a region between the contact region and the overlapping region.
摘要:
A semiconductor memory device includes a plurality of memory cell arrays each includes a plurality of memory cells, the plurality of memory cell arrays being stacked on a semiconductor substrate to form a three-dimensional structure, a first well formed in the semiconductor substrate and having a first conductivity type, an element isolation insulating film including a bottom surface shallower than a bottom surface of the first well in the first well, and buried in the semiconductor substrate, a second well including a bottom surface shallower than the bottom surface of the first well in the first well, formed along a bottom surface of at least a portion of the element isolation insulating film, and made of an impurity having a second conductivity type, and a contact line electrically connected to the first well.
摘要:
A semiconductor memory device having a first wiring layer which is provided on a first insulator, and which extends in a first direction, and a non-volatile memory cell which is provided in a pillar shape on the first wiring layer, and which includes a non-ohmic element and variable resistance element connected in series. The resistance value of the variable resistance element changes in accordance with a voltage or current applied thereto. A barrier layer is provided on the memory cell and is configured in an in-plane direction. A conductive layer is provided on the barrier layer and is configured in an in-plane direction. A second insulator is provided on the first insulator and covers side surfaces of the memory cell, the barrier layer, and the conductive layer. A second wiring layer is provided on the conductive layer and extends in a second direction.
摘要:
A semiconductor memory device includes a first active region, a second active region, a first element isolating region and a second element isolating region. The first active region is formed in a semiconductor substrate. The second active region is formed in the semiconductor substrate. The first element isolating region electrically separates the first active regions adjacent to each other. The second element isolating region electrically separates the second active regions adjacent to each other. An impurity concentration in a part of the second active region in contact with a side face of the second element isolating region is higher than that in the central part of the second active region, and a impurity concentration in a part of the first active region in contact with a side face of the first element isolating region is equal to that in the first active region.
摘要:
A memory cell array includes memory strings arranged in a first direction. Word-lines and select gate lines extend in a second direction perpendicular to the first direction. The select gate line also extends in the second direction. The word-lines have a first line width in the first direction and arranged with a first distance therebetween. The select gate line includes a first interconnection in the first direction, the first interconnection having a second line width larger than the first line width, and a second interconnection extending from an end portion of the first interconnection, the second interconnection having a third line width the same as the first line width. A first word-line adjacent to the select gate line is arranged having a second distance to the second interconnection, the second distance being (4N+1) times the first distance (N being an integer of 1 or more).
摘要:
A peripheral circuit includes at least a first transistor. The first transistor comprises a gate electrode formed on a surface of a semiconductor layer via a gate insulating film. A channel region of a first conductivity type having a first impurity concentration is formed on a surface of the semiconductor layer directly below and in the vicinity of the gate electrode. A source-drain diffusion region of the first conductivity type is formed on the surface of the semiconductor layer to sandwich the gate electrode and has a second impurity concentration greater than the first impurity concentration. An overlapping region of the first conductivity type is formed on the surface of the semiconductor layer directly below the gate electrode where the channel region and the source-drain diffusion region overlap. The overlapping region has a third impurity concentration greater than the second impurity concentration.
摘要:
According to one embodiment, a semiconductor device includes a first resistance element including a first conductive material, an inter-gate insulation film formed on both ends of the first conductive material in a first direction, and a second conductive material formed above the first conductive material and configured to connect with the first conductive material via a first connection region from which the inter-gate insulation film is removed, and a second resistance element including a third conductive material, the inter-gate insulation film formed on both ends of the third conductive material in the first direction, and a fourth conductive material formed above the third conductive material and configured to connect with the third conductive material via a second connection region from which the inter-gate insulation film is removed, wherein a length of the second connection region is greater than a length of the first connection region in the first direction.
摘要:
A semiconductor device comprising a resistance element with a high resistance and high resistance accuracy and a non-volatile semiconductor storage element is rationally realized by comprising the non-volatile semiconductor storage element comprising a first isolation formed to isolate a first semiconductor area, a first insulator, and a first electrode in a self-aligned manner, and a second electrode, and the resistance element comprising a second isolation formed to isolate a second semiconductor area, a third insulator and a conductor layer in a self-aligned manner, and third and fourth electrodes formed on each end of the conductor layer via a fourth insulator, and connected with the conductor layer. The conductor layer or the third and fourth electrodes include the same material with the first or second electrode, respectively.