Samsung Electronics Co., Ltd.

Hans S Cho

Wenxu Xianyu

Takashi Noguchi

Xiaoxin Zhang

Do-Young Kim

Young-soo Park

Jun-Ho Lee

Huaxiang Yin

Hyuck Lim

Young-Soo Park

Hyuk Soo Lim

Kyung-bae Park

Suk-Pil Kim

Jang-yeon Kwon

Ji-sim Jung

Jun-ho Lee

Jang-yeong Kwon

A microlens, an image sensor including the microlens, a method of forming the microlens and a method of manufacturing the image sensor are provided. The microlens includes a polysilicon pattern, having a cylindrical shape, formed on a substrate, and a round-type shell portion enclosing the polysilicon pattern. The microlens may further include a filler material filling an interior of the shell portion, or a second shell portion covering the first shell portion. The method of forming a microlens includes forming a silicon pattern on a semiconductor substrate having a lower structure, forming a capping film on the semiconductor substrate over the silicon pattern, annealing the silicon pattern and the capping film altering the silicon pattern to a polysilicon pattern having a cylindrical shape and the capping film to a shell portion for a round-type microlens, and filling an interior of the shell portion with a lens material through an opening between the semiconductor substrate and an edge of the shell portion. The image sensor includes a microlens formed by a similar method and a photodiode having a cylindrical shape.

Microlens and an image sensor including a microlens

A method of fabricating a single crystal silicon rod may include forming an insulation layer on a substrate, forming a hole in the insulation layer, selectively growing silicon in the hole, forming a silicon layer on the hole and on the insulation layer, forming a rod pattern on the silicon layer in a direction that is non-radial with respect to the hole, and melting the silicon layer and crystallizing the silicon layer by illuminating a laser beam on the silicon layer where the rod pattern is formed to generate a nucleation site at a position corresponding to the hole. According to the method, a single crystal silicon rod having no defects may be formed.

Single crystal silicon rod fabrication methods and a single crystal silicon rod structure

A method of forming a poly-silicon pattern may include forming an amorphous silicon pattern on a lower layer; forming a capping layer on the substrate covering the amorphous silicon pattern; poly-crystallizing the amorphous silicon pattern using an excimer laser annealing process; and removing the capping layer.

Method of forming poly-si pattern, diode having poly-si pattern, multi-layer cross point resistive memory device having poly-si pattern, and method of manufacturing the diode and the memory device

A thin film transistor comprises an Si-based channel having a nonlinear electron-moving path, a source and a drain disposed at both sides of the channel, a gate disposed above the channel, an insulator interposed between the channel and the gate, and a substrate supporting the channel and the source and the drain disposed at either side of the channel respectively.

Poly-Si thin film transistor and organic light-emitting display having the same

A method of manufacturing a nanowire, a method of manufacturing a semiconductor apparatus including a nanowire and a semiconductor apparatus formed from the same are provided. The method of manufacturing a semiconductor apparatus may include forming a material layer pattern on a substrate, forming a first insulating layer on the material layer pattern, a first nanowire forming layer and a top insulating layer on the substrate, wherein a total depth of the first insulating layer and the first nanowire forming layer may be formed to be smaller than a depth of the material layer pattern, sequentially polishing the top insulating layer, the first nanowire forming layer and the first insulating layer so that the material layer pattern is exposed, exposing part of the first nanowire forming layer to form an exposed region and forming a single crystalline nanowire on an exposed region of the first nanowire forming layer.

Method of manufacturing nanowire

Method of forming a microlens and a method for manufacturing an image sensor

A semiconductor device and method thereof. The example method may include forming a semiconductor device, including forming a first layer on a substrate, the first layer including aluminum nitride (AlN), forming a second layer by oxidizing a surface of the first layer and forming a third layer on the second layer, the first, second and third layers each being highly oriented with respect to one of a plurality crystallographic planes. The example semiconductor device may include a substrate including a first layer, the first layer including aluminum nitride (AlN), a second layer formed by oxidizing a surface of the first layer and a third layer formed on the second layer, the first, second and third layers each being highly oriented with respect to one of a plurality crystallographic planes.

Semiconductor device and methods thereof

Example embodiments relate to a crystalline nanowire substrate having a structure in which a crystalline nanowire film having a relatively fine line-width may be formed on a substrate, a method of manufacturing the same, and a method of manufacturing a thin film transistor using the same. The method of manufacturing the crystalline nanowire substrate may include preparing a substrate, forming an insulating film on the substrate, forming a silicon film on the insulating film, patterning the insulating film and the silicon film into a strip shape, reducing the line-width of the insulating film by undercut etching at least one lateral side of the insulating film, and forming a self-aligned silicon nanowire film on an upper surface of the insulating film by melting and crystallizing the silicon film.

Crystalline nanowire substrate, method of manufacturing the same, and method of manufacturing thin film transistor using the same

A thin film transistor (TFT) and a method of manufacturing the same are provided. The TFT includes a transparent substrate, an insulating layer on a region of the transparent substrate, a monocrystalline silicon layer, which includes source, drain, and channel regions, on the insulating layer and a gate insulating film and a gate electrode on the channel region of the monocrystalline silicon layer.

Method of manufacturing thin film transistor

A semiconductor device includes a transistor. The transistor includes a substrate having an inclined surface, a first upper surface extending from a lower portion of the inclined surface, and a second upper surface extending from an upper end of the inclined surface. A gate stack structure is formed on the inclined surface and includes a gate electrode. A first impurity region formed on one of the first and second upper surfaces contacts the gate stack structure. A second impurity region formed on the second upper surface contacts the gate stack structure. A channel between the first and second impurity regions is formed along the inclined surface in a crystalline direction.

Semiconductor device including gate stack formed on inclined surface and method of fabricating the same

A semiconductor device including a substrate, a P-MOS single crystal TFT formed on the substrate, and an N-MOS single crystal TFT formed on the P-MOS single crystal TFT. The source region of the P-MOS single crystal TFT and the source region of the N-MOS single crystal TFT may be connected to each other. The P-MOS single crystal TFT and the N-MOS single crystal TFT may share a common gate. Also, the P-MOS single crystal TFT may include a single crystal silicon layer with a crystal plane of (100) and a crystal direction of &#x3c;100&#x3e;. The N-MOS single crystal TFT may include a single crystal silicon layer having the same crystal direction as the single crystal silicon layer of the P-MOS single crystal TFT and having a tensile stress greater than the single crystal silicon layer of the P-MOS single crystal TFT.

Semiconductor device including single crystal silicon layer

A silicon nanowire substrate having a structure in which a silicon nanowire film having a fine line-width is formed on a substrate, a method of manufacturing the same, and a method of manufacturing a thin film transistor using the same. The method of manufacturing the silicon nanowire substrate includes preparing a substrate, forming an insulating film on the substrate, forming a silicon film on the insulating film, patterning the insulating film and the silicon film into a strip shape, reducing the line-width of the insulating film by undercut etching at least one lateral side of the insulating film, and forming a self-aligned silicon nanowire film on an upper surface of the insulating film by melting and crystallizing the silicon film.

Growing community of inventors

Seoul, South Korea

Hans S Cho