Samsung Electronics Co., Ltd.

Seung Soo Hong

Jeong Yun Lee

Geum Jung Seong

Seung Ju Park

Young Mook Oh

Sang Hyun Lee

Seung Hun Lee

Namkyu Cho

Jin Won Lee

Hyun Ho Jung

Bo Ra Lim

Kyung Seok Min

A semiconductor device capable of improving operation performance and reliability, may include a gate insulating support to isolate gate electrodes that are adjacent in a length direction. The semiconductor device includes a first gate structure on a substrate, the first gate structure extending lengthwise in a first direction to have two long sides and two short sides, relative to each other, and including a first gate spacer; a second gate structure on the substrate, the second gate structure extending lengthwise in the first direction to have two long sides and two short sides, relative to each other, and including a second gate spacer, wherein a first short side of the second gate structure faces a first short side of the first gate structure; and a gate insulating support disposed between the first short side of the first gate structure and the first short side of the second gate structure and extending lengthwise in a second direction different from the first direction, a length of the gate insulating support in the second direction being greater than a width of each of the first gate structure and the second gate structure in the second direction.

Semiconductor device and method for fabricating the same

A semiconductor device includes fin patterns on a substrate, at least one gate electrode intersecting the fin patterns, source/drain regions on upper surfaces of the fin patterns, and at least one blocking layer on a sidewall of a first fin pattern of the fin patterns, the at least one blocking layer extending above an upper surface of the first fin pattern of the fin patterns, wherein a first source/drain region of the source/drain regions that is on the upper surface of the first fin pattern has an asymmetric shape and is in direct contact with the at least one blocking layer.

Semiconductor devices

A semiconductor device including a plurality of active regions extending in a first direction on a substrate; a device isolation layer between the plurality of active regions such that upper portions of the plurality of active regions protrude from the device isolation layer; a first gate electrode and a second gate electrode extending in a second direction crossing the first direction and intersecting the plurality of active regions, respectively, on the substrate, the first gate electrode being spaced apart from the second gate electrode in the second direction; a first gate separation layer between the first gate electrode and the second gate electrode; and a second gate separation layer under the first gate separation layer and between the first gate electrode and the second gate electrode, the second gate separation layer extending into the device isolation layer in a third direction crossing the first direction and the second direction.

Method of manufacturing a semiconductor device

A semiconductor device includes a fin type pattern extending in a first direction on a substrate, a field insulating layer on the substrate, the field insulating layer wrapping a side wall of the fin type pattern, a gate electrode on the fin type pattern, the gate electrode extending in a second direction intersecting with the first direction, a first spacer on a side wall of a lower part of the gate electrode, and an etching stop layer extending along a side wall and an upper surface of an upper part of the gate electrode, along a side wall of the first spacer, and along an upper surface of the field insulating layer.

Semiconductor devices as described herein may include a fin-shaped pattern extending in a first direction, first and second side walls facing each other, first and second gate electrodes extending in a second direction and spaced apart from each other, a first gate spacer that is on a side wall of the first gate electrode, a second gate spacer that is on a side wall of the second gate electrode, a first trench in the fin-shaped pattern that is between the first and second gate electrodes and having a first width, and a second trench in the fin-shaped pattern that is below the first trench and has a second width smaller than the first width. The fin-shaped pattern may include first and second inflection points on the side walls of the fin-shaped pattern, and a bottom surface of the second trench may be lower than the inflection points.

Semiconductor devices having fin-shaped patterns with inflection points

A semiconductor device is provided including first and second active fin arrays on a substrate. The semiconductor device further includes a pair of first gate spacers disposed on the first and second active fin arrays, each of the pair of first gate spacers including a first region having a first width, a second region having a second width, and a third region between the first region and the second region and having a third width; and first and second gate electrodes, the first gate electrode disposed between the first regions and the second gate electrode disposed between the second regions. The first regions are on the first active fin array, the second regions are on the second active fin array, and the third regions are between the first active fin array and the second active fin array. Each of the first and second widths is greater than the third width.

Growing community of inventors

Incheon, South Korea

Seung Soo Hong