Samsung Electronics Co., Ltd.

Kyung-Eun Kim

Yoosang Hwang

Bong-Soo Kim

Young-Seung Cho

Jae-Hyun Kim

Dong-Won Lee

Dae-Ik Kim

Jaehyoung Choi

Ki-Hyung Nam

Semyeong Jang

Hoon Jeong

Yongkwan Kim

Jung-Gu Han

Ji-Hye Hwang

Yoo-Sang Hwang

Seung-Jun Lee

Jiyoung Kim

Dong Jin Lee

Dong-jin Lee

Yong-kwan Kim

Daeik Kim

Taejin Park

Kang-Uk Kim

Eunjung Kim

Jun-Hee Lim

Hyun-Seung Song

Sungho Jang

Se-Myeong Jang

Hyoungsub Kim

Nakjin Son

Jihye Hwang

Jae-Kyun Park

Byung Yoon Kim

So-Hyun Park

Sang-Jo Yun

A semiconductor device includes storage electrodes on a substrate and one or more supporters configured to couple one or more portions of the storage electrodes. The semiconductor device may include multiple non-intersecting supporters extending in parallel to a surface of the substrate. At least one supporter may have an upper surface that is substantially coplanar with upper surfaces of the storage electrodes. The storage electrodes may include a capacitor dielectric layer that conformally covers one or more surfaces of the storage electrodes and one or more supporters. A storage electrode may include upper and lower storage electrodes coupled together. The upper and lower storage electrodes may have different horizontal widths.

Semiconductor device having supporters and method of manufacturing the same

A semiconductor device including a capacitor is provided. The semiconductor device includes lower electrodes, each of which includes a first electrode and a second electrode stacked in a first direction. The second electrode has a pillar shape that has a bar-type cross section having a longitudinal axis when viewed from a cross-sectional view taken along a plane defined by second and third directions perpendicular to the first direction.

Semiconductor device including capacitor

A semiconductor device includes a substrate including a plurality of active areas. A conductive pattern is in contact with an active area. First and second conductive line structures face first and second side walls of the conductive pattern. An air spacer is disposed between the first and second side walls. The first and second conductive line structures include a conductive line and a conductive line mask layer. The conductive line mask layer includes a lower portion having a first width and an upper portion having a second width narrower than the first width. The air spacer includes a first air spacer disposed on a side wall of the lower portion of the conductive line mask layer and a second air spacer disposed on a side wall of the upper portion of the conductive line mask layer. The second air spacer is connected with the first air spacer.

Semiconductor device including air spacer

Provided is a semiconductor device. The semiconductor device includes a capacitor structure including a plurality of lower electrodes, a dielectric layer that covers surfaces of the plurality of lower electrodes, and an upper electrode on the dielectric layer. The semiconductor device further includes a support structure that supports the plurality of lower electrodes. The support structure includes a first support region that covers sidewalls of one of the plurality of lower electrodes, and an opening that envelops the first support region when the semiconductor device is viewed in plan view.

Semiconductor devices

A semiconductor device includes first and second bit line structures on a substrate and spaced apart from each other, a via plug partially filling between the first and second bit line structures, a via pad in contact with an upper surface of the via plug and an upper sidewall of the first bit line structure, the via pad being spaced apart from an upper portion of the second bit line structure, a first cavity filled with air being between the via plug and the first bit line structure and a second cavity filled with air between the via plug and the second bit line structure, A gap capping spacer having a first portion on the upper sidewall of the first bit line structure and a second portion covers the first air spacer. A horizontal width of the first portion is smaller than that of the second portion.

Semiconductor devices having air spacers and methods of manufacturing the same

Semiconductor devices are provided. A semiconductor device includes a bit line structure and a contact plug. The contact plug is adjacent a sidewall of the bit line structure and is on a sloped surface of the bit line structure. Moreover, in some embodiments, a level of the sloped surface of the bit line structure becomes lower as the sloped surface approaches the sidewall of the bit line structure.

Semiconductor devices including a bit line structure and a contact plug

Provided are semiconductor devices and methods of fabricating the same. The semiconductor devices include an interlayer insulating layer on a semiconductor substrate, contact pads on the semiconductor substrate and penetrating the interlayer insulating layer, a stopping insulating layer on the interlayer insulating layer, storage electrodes on the contact pads, upper supporters between upper parts of the storage electrodes, side supporters between the storage electrodes and the upper supporters, a capacitor dielectric layer on the storage electrodes, the side supporters, and the upper supporters, and a plate electrode on the capacitor dielectric layer.

Semiconductor devices having a supporter and methods of fabricating the same

A method of manufacturing a semiconductor device is provided. The method includes sequentially forming a mold layer and a preliminary support layer on a substrate, forming a plurality of lower electrodes through the preliminary support layer and the mold layer, removing a portion of the preliminary support layer between the plurality of lower electrodes to form a preliminary support layer pattern having an open area exposing a top surface of the mold layer, removing the mold layer to form a void between the substrate and the preliminary support layer pattern, filling the open area and the void with a sacrificial layer, and replacing the preliminary support layer pattern with a support pattern.

Semiconductor device including a capacitor and a method of manufacturing the same

Semiconductor devices include a first gate pattern provided on the first active region, a second gate pattern over the first active region, a third gate pattern over the second active region, and a fourth gate pattern over the second active region. The second gate pattern is parallel to the first gate pattern in a first direction. The third gate pattern has an asymmetric shape to the first gate pattern with respect to the first direction, and the fourth gate pattern is parallel to the third gate pattern in the first direction, and has an asymmetric shape to the second gate pattern with respect to the first direction. MOS transistors having good properties may be provided in a narrow horizontal area. The MOS transistors may be used in highly stacked semiconductor devices.

A semiconductor device may include a substrate having a first region and a second region on a surface thereof, and a first semiconductor fin on the first region of the substrate with the first semiconductor fin including a first trench therethrough. A first gate electrode may be provided in the first trench, and first and second source/drain regions may be provided in the first semiconductor fin, with the first gate electrode between the first and second source/drain regions. A second semiconductor fin may be provided on the second region of the substrate with the second semiconductor fin including a second trench therethrough, a second gate electrode may be provided in the second trench, and third and fourth source/drain regions may be provided in the second semiconductor fin with the second gate electrode being between the third and fourth source/drain regions.

Semiconductor device and method of fabricating the same

A method of forming a DRAM can include forming a plurality of transistors arranged in a first direction on a substrate and forming a bit line structure that extends in the first direction, where the bit line structure being electrically coupled to the plurality of transistors at respective locations in the first direction. A plurality of first landing pads an be formed at alternating ones of the respective locations having a first position in a second direction on the substrate. A plurality of second landing pads can be formed at intervening ones of the respective locations between the alternating ones of the respective locations, where the intervening ones of the respective locations having a second position in the second direction on the substrate wherein second position is shifted in the second direction relative to the first position.

Methods of forming positioned landing pads and semiconductor devices including the same

A semiconductor device and a method of fabricating a semiconductor device, the device including an active region on a substrate, the active region being defined by a field region; gate trenches in the active region of the substrate; gate structures respectively formed in the gate trenches; and at least one carrier barrier layer in the substrate and under the gate trenches.

Growing community of inventors

Seoul, South Korea

Kyung-Eun Kim