Abstract:
An exemplary organic semiconductor copolymer includes a polymeric repeat structure having a polythiophene structure and an electron accepting unit. The electron accepting unit has at least one electron-accepting heteroaromatic structure with at least one electron-withdrawing imine nitrogen in the heteroaromatic structure or a thiophene-arylene comprising a C2-30 heteroaromatic structure. Methods of synthesis and electronic devices incorporating the disclosed organic semiconductors, e.g., as a channel layer, are also disclosed.
Abstract:
A prism sheet of an LCD includes a body part made of a transparent resin material and a plurality of polypyramid-shaped optical unit structures formed in a intaglio type on the body part. The plurality of optical unit structures have intaglio-type polypyramid shapes in an inside of their polygonal structure. A center of the intaglio portion corresponds to a vertex of the polypyramid, thereby forming a point.
Abstract:
The present invention discloses method for manufacturing semiconductor device employing an EXTIGATE structure. In accordance with the method, a predetermined thickness of the device isolation film is etched to form a recess. The recess is then filled with a second nitride film. A stacked structure of a barrier metal film, a metal layer and a third nitride film on the second nitride film and the polysilicon film is formed on the entire surface and the etched via a photoetching process to form a gate electrode. An insulating film spacer is deposited on a sidewall of the gate electrode. The exposed portion of the polysilicon film using the third nitride film pattern and the insulating film spacer as a mask to form a polysilicon film pattern and an oxide film on a sidewall of the polysilicon film pattern.
Abstract:
Disclosed herein is a method for producing a multi-wavelength semiconductor laser device. The method comprises the steps of: forming a nitride epitaxial layer on a substrate for growth of a nitride single crystal; separating the nitride epitaxial layer from the substrate; attaching the separated nitride epitaxial layer to a first conductivity-type substrate; selectively removing the nitride semiconductor epitaxial layer to expose a portion of the first conductivity-type substrate and to form a first semiconductor laser structure; and sequentially forming second and third semiconductor laser structures on the exposed portion of the first conductivity-type substrate.
Abstract:
Disclosed is an air conditioner enabling to perform an air purifying function in an optimum state according to a pollution level of room air, the air conditioner including a cabinet having a first air inlet for drawing in the air, and an air outlet for discharging purified air, a fan provided at the cabinet and forcing the air movement, and a filter unit or a suction grill selectively provided at the first air inlet.
Abstract:
A rotor in an electrical machine, the rotor comprises a magnetic core having at least two poles, a plurality of winding assemblies, one for each pole, and a cylindrical tube enclosing the magnetic core and winding assemblies, the tube including a plurality of rings having different axial widths. Each of the rings is axially spaced apart from an adjacent ring. The respective axial widths of the rings become progressively smaller than the axial width of the ring axially located at or near the center of the tube as the axial distance away from the center of the tube increases. A plurality of winding braces are coupled to at least one of the winding assemblies, the winding braces having different radial heights.
Abstract:
A flash memory device and a method for fabricating the same is disclosed that reduces or prevents mis-operation and improves integration, which includes a semiconductor substrate having a field region and an active region; a device isolation layer on the field region including a conductive (e.g., polysilicon) layer and an insulating layer thereon; a sidewall spacer at sides of the device isolation layer; an ONO layer on the active region; a gate electrode on the ONO layer; source and drain regions at sides of the gate electrode in the active region; a passivation layer on the semiconductor substrate, having a contact hole in the drain region; and a drain electrode in the contact hole, connected with the drain region.
Abstract:
A nonvolatile memory device and a method for fabricating the same is disclosed, in which a corner of a floating gate is rounded to reduce, minimize or prevent discharge of programmed electrons, and an overlap between the floating gate and a control gate increases to improve a coupling ratio and enable nonvolatile memory device operations at a low voltage. The nonvolatile memory device includes a device isolation layer in a field region on a semiconductor substrate, the device isolation having a trench; a tunnel oxide layer; a floating gate comprising a polysilicon pattern in an active region of the semiconductor substrate and a polysilicon spacer at the side of the polysilicon pattern and the inner sidewall of the trench; a gate dielectric layer on the floating gate; and a control gate on the gate dielectric layer overlapping with the floating gate.
Abstract:
Methods of using compounds having Structure I or the salts or tautomers of the compounds in the treatment of disorders relating to cell adhesion and metastatic processes are presented herein.
Abstract:
The present invention relates to a high performance water gas shift catalyst and a method of preparing the same, more particularly to a high performance water gas shift catalyst comprising active components such as copper (Cu), nickel (Ni) and platinum (Pt) and a ceria (CeO2) support, which has better catalytic activity and thermal cycling durability with minimum platinum supporting amount of 1 wt % or less compared with the conventional Pt/CeO2 catalyst and LTS catalyst, and a method of preparing the same.
Abstract translation:本发明涉及一种高性能水煤气变换催化剂及其制备方法,更具体地涉及包含有效成分如铜(Cu),镍(Ni)和铂(Pt)的高性能水煤气变换催化剂和 具有较好的催化活性和热循环耐久性的二氧化铈(CeO 2 2)载体,与常规的Pt / CeO 2 2相比,铂载体的最小铂负载量为1重量%以下。 催化剂和LTS催化剂及其制备方法。