Abstract:
Integrated circuit devices and methods of forming the same are provided. The methods may include providing a substrate structure including a substrate, a bottom insulator and a semiconductor region between the substrate and the bottom insulator, the semiconductor region extending in a first direction; forming first and second preliminary transistor structures on the bottom insulator, wherein and the bottom insulator may include first and second portions that the first and second preliminary transistor structures respectively overlap, and a third portion between the first and second portions; replacing the third portion of the bottom insulator with a bottom semiconductor layer; forming a source/drain region between the first and second preliminary transistor structures; replacing the substrate and the semiconductor region with a backside insulator; forming a power contact in the backside insulator, wherein the source/drain region may overlap the power contact; and forming a power rail.
Abstract:
A semiconductor device includes a first overlay group and a second overlay group disposed on a semiconductor substrate. The first overlay group includes first lower overlay patterns which extend in a first direction, first upper overlay patterns overlapping the first lower overlay patterns, and first via overlay patterns interposed between the first lower overlay patterns and the first upper overlay patterns. The second overlay group includes second lower overlay patterns which extend in a second direction, second upper overlay patterns overlapping the second lower overlay patterns, and second via overlay patterns interposed between the second lower overlay patterns and the second upper overlay patterns. The second lower overlay patterns include end portions adjacent to and spaced apart from the first overlay group.
Abstract:
Integrated circuit devices and methods of forming the same are provided. The integrated circuit devices may include a transistor including first and second source/drain regions spaced apart from each other in a horizontal direction, a backside power distribution network structure (BSPDNS), a substrate between the first and second source/drain regions and the BSPDNS, a backside contact that is in the substrate and is overlapped by the first source/drain region, a placeholder that is in the substrate and is overlapped by the second source/drain region, and a cavity in the substrate between the backside contact and the placeholder.
Abstract:
In order to achieve higher contact quality for backside power distribution networks, provided is a backside contact to a semiconductor device having a positive slope and a dielectric sidewall liner, and methods for making the same.
Abstract:
Integrated circuit devices are provided. An integrated circuit device includes an insulating layer and a metal via structure that is in the insulating layer. The metal via structure has a lower portion and an upper portion that is narrower than the lower portion. Moreover, the integrated circuit device includes a metal line that is on and electrically connected to the metal via structure. Related methods of forming integrated circuit devices are also provided.
Abstract:
The method may include forming a plurality of fins on a substrate with first and second regions, forming a photoresist pattern to expose the fins of the first region, forming a material layer to cover the fins of first region and the photoresist pattern, chemically reacting the photoresist pattern the material layer to form a supplemental film on a side surface of the photoresist pattern, performing an ion implantation process using the photoresist pattern and the supplemental film as a ion injection mask to form impurity layers in the fins of the first region.
Abstract:
Provided is a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device includes: a 1st source/drain region; a 2nd source/drain region; a channel structure connecting the 1st source/drain region to the 2nd source/drain region; a gate structure surrounding the channel structure; a backside contact structure, below the 1st source/drain region, connected to the 1st source/drain region; and a 1st backside spacer at a lateral side of the backside contact structure.
Abstract:
A semiconductor device includes a first overlay group and a second overlay group disposed on a semiconductor substrate. The first overlay group includes first lower overlay patterns which extend in a first direction, first upper overlay patterns overlapping the first lower overlay patterns, and first via overlay patterns interposed between the first lower overlay patterns and the first upper overlay patterns. The second overlay group includes second lower overlay patterns which extend in a second direction, second upper overlay patterns overlapping the second lower overlay patterns, and second via overlay patterns interposed between the second lower overlay patterns and the second upper overlay patterns. The second lower overlay patterns include end portions adjacent to and spaced apart from the first overlay group.
Abstract:
A method of operating an integrated circuit is provided. The method includes receiving a data block offset from a second storage device, obtaining a target entry address using the data block offset, and reading an entry among a plurality of entries comprised in a buffer descriptor stored in a first storage device based on the target entry address. The method also includes reading data from a data buffer among a plurality of data buffers included in the first storage device using a physical address included in the entry and transmitting the data to the second storage device.