Patent classifications
H10D30/6713
Fabrication Of Vertical Field Effect Transistor Structure With Strained Channels
A method of forming a vertical fin field effect transistor (vertical finFET) with a strained channel, including forming one or more vertical fins on a substrate, forming a sacrificial stressor layer adjacent to the one or more vertical fins, wherein the sacrificial stressor layer imparts a strain in the adjacent vertical fins, forming a fin trench through one or more vertical fins and the sacrificial stressor layer to form a plurality of fin segments and a plurality of sacrificial stressor layer blocks, forming an anchor wall adjacent to and in contact with one or more fin segment endwalls, and removing at least one of the plurality of the sacrificial stressor layer blocks, wherein the anchor wall maintains the strain of the adjacent fin segments after removal of the sacrificial stressor layer blocks adjacent to the fin segment with the adjacent anchor wall.
Fabrication Of Vertical Field Effect Transistor Structure With Strained Channels
A method of forming a vertical fin field effect transistor (vertical finFET) with a strained channel, including forming one or more vertical fins on a substrate, forming a sacrificial stressor layer adjacent to the one or more vertical fins, wherein the sacrificial stressor layer imparts a strain in the adjacent vertical fins, forming a fin trench through one or more vertical fins and the sacrificial stressor layer to form a plurality of fin segments and a plurality of sacrificial stressor layer blocks, forming an anchor wall adjacent to and in contact with one or more fin segment endwalls, and removing at least one of the plurality of the sacrificial stressor layer blocks, wherein the anchor wall maintains the strain of the adjacent fin segments after removal of the sacrificial stressor layer blocks adjacent to the fin segment with the adjacent anchor wall.
Array substrate, manufacturing method thereof, display device, thin-film transistor (TFT) and manufacturing method thereof
An array substrate, a manufacturing method thereof, a display device, a thin-film transistor (TFT) and a manufacturing method thereof are disclosed. The method for manufacturing the TFT comprises: forming a pattern of an active layer and a gate insulating layer provided with a metal film on a base substrate; patterning the metal film by one patterning process, and forming patterns of a gate electrode, a source electrode, a drain electrode, a gate line and a data line; forming a passivation layer on the base substrate; patterning the passivation layer by one patterning process, and forming a source contact hole, a drain contact hole and a bridge structure contact hole; and forming a transparent conductive film on the base substrate, and removing partial transparent conductive film to form a source contact portion, a drain contact portion (214), a pixel electrode and a bridge structure. The manufacturing method can reduce the number of the patterning processes.
Stacked nanowire device width adjustment by gas cluster ion beam (GCIB)
A method of making a nanowire device includes disposing a first nanowire stack over a substrate, the first nanowire stack including alternating layers of a first and second semiconducting material, the first semiconducting material contacting the substrate and the second semiconducting material being an exposed surface; disposing a second nanowire stack over the substrate, the second nanowire stack including alternating layers of the first and second semiconducting materials, the first semiconducting material contacting the substrate and the second semiconducting material being an exposed surface; forming a first gate spacer along a sidewall of a first gate region on the first nanowire stack and a second gate spacer along a sidewall of a second gate region on the second nanowire stack; oxidizing a portion of the first nanowire stack within the first gate spacer; and removing the first semiconducting material from the first nanowire stack and the second nanowire stack.
Vertical semiconductor device in narrow slots within trench
Disclosed herein are related to a device including vertically placed semiconductor devices in a trench, and a method of fabricating the vertically placed semiconductor devices. In one aspect, a device includes a substrate including a trench defined by a first sidewall and a second sidewall facing each other along a first direction, and a floor between one end of the first sidewall and one end of the second sidewall. The device may include two or more vertical slots separated by vertical nano sheets extending upwards from the floor within the trench. In one aspect, the semiconductor devices can be formed in the two or more vertical slots. For example, source/drain structures, gate structures, and additional source/drain structures of vertical transistors can be formed in the two or more vertical slots.
Routing structure of semiconductor device and forming method thereof
A layout method and a semiconductor device are disclosed. The layout method includes: generating a design layout by placing a cell, wherein the cell includes: a first conductive segment overlapping a source/drain region and disposed immediately adjacent to a first power rail, wherein the first conductive segment has a length substantially equal to a cell length; a second conductive segment; and a third conductive segment between the first and second conductive segments. The layout method further includes: providing a fourth conductive segment and a fifth conductive segment to the design layout, wherein the fourth and fifth conductive segments are aligned in a first direction.
Integrated circuit with backside interconnections and method of making same
A method of making an integrated circuit includes steps of etching an opening in an insulating mask to expose a first dummy contact on a backside of the integrated circuit, depositing a conductive material into the opening, the conductive material contacting a sidewall of the first dummy contact, and recessing the conductive material to expose an end of the first dummy contact. The method also includes steps of depositing an insulating material over the conductive material in the opening, removing the first dummy contact from the insulating mask to form a first contact opening, and forming a first conductive contact in the first contact opening, the first conductive contact being electrically connected to the conductive material.
Spacer structure for semiconductor device
The present disclosure describes a semiconductor structure and a method for forming the same. The method can include forming a fin structure over a substrate. The fin structure can include first and second sacrificial layers. The method can further include forming a recess structure in a first portion of the fin structure, selectively etching the first sacrificial layer of a second portion of the fin structure over the second sacrificial layer of the second portion of the fin structure, and forming an inner spacer layer over the etched first sacrificial layer with the second sacrificial layer of the second portion of the fin structure being exposed.
Semiconductor device and method of manufacture
A method includes depositing a multi-layer stack on a semiconductor substrate, the multi-layer stack including a plurality of sacrificial layers that alternate with a plurality of channel layers; forming a dummy gate on the multi-layer stack; forming a first spacer on a sidewall of the dummy gate; performing a first implantation process to form a first doped region, the first implantation process having a first implant energy and a first implant dose; performing a second implantation process to form a second doped region, where the first doped region and the second doped region are in a portion of the channel layers uncovered by the first spacer and the dummy gate, the second implantation process having a second implant energy and a second implant dose, where the second implant energy is greater than the first implant energy, and where the first implant dose is different from the second implant dose.
Semiconductor devices and hybrid transistors
Semiconductor devices are disclosed. A semiconductor device may include a hybrid transistor configured in a vertical orientation. The hybrid transistor may include a gate electrode, a drain material, a source material, and a channel material operatively coupled between the drain material and the source material. The source material and the drain material include a first material and the channel material includes a second, different material.