摘要:
A mask for lithography and a method of manufacturing the same. The mask may include a substrate, a reflection layer formed of a material capable of reflecting electromagnetic rays on the substrate and an absorption pattern formed in a desired pattern such that absorbing regions with respect to electromagnetic rays and windows through which electromagnetic rays pass are formed, wherein the absorption pattern includes at least one side surface that is adjacent to the window and is inclined with respect to the reflection layer. The method may include forming a reflection layer which is formed of a material capable of reflecting electromagnetic rays on a substrate, forming an absorption layer which is formed of a material capable of absorbing electromagnetic rays on the refection layer, and patterning the absorption layer to form an absorption pattern with at least one side surface adjacent to a window that has an inclined side surface with respect to the reflection layer.
摘要:
An apparatus and method for full-diversity, full-rate space-time block coding in a transmitter using two Tx antennas are provided. An input symbol sequence is STBC-encoded in a predetermined method and transmitted through the two Tx antennas.
摘要:
A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance.
摘要:
Disclosed is a semiconductor wafer and method of fabricating the same. The semiconductor wafer is comprised of a semiconductor layer formed on an insulation layer on a base substrate. The semiconductor layer includes a surface region organized in a first crystallographic orientation, and another surface region organized in a second crystallographic orientation. The performance of a semiconductor device with unit elements that use charges, which are activated in high mobility to the crystallographic orientation, as carriers is enhanced. The semiconductor wafer is completed by forming the semiconductor layer with the second crystallographic orientation on the plane of the first crystallographic orientation, growing an epitaxial layer, forming the insulation layer on the epitaxial layer, and then bonding the insulation layer to the base substrate.
摘要:
Provided are a semiconductor device, and a method of forming the same. In one embodiment, the semiconductor device includes a semiconductor layer, first and second semiconductor fins, an insulating layer, and an inter-fin connection member. The first and second semiconductor fins are placed on the semiconductor layer, and have different crystal directions. The first semiconductor fin is connected to the semiconductor layer, and has the equivalent crystal direction as that of the semiconductor layer. The insulating layer is interposed between the second semiconductor fin and the semiconductor layer, and has an opening in which the first semiconductor fin is inserted. The inter-fin connection member connects the first semiconductor fin and the second semiconductor fin together on the insulating layer.
摘要:
A thin film transistor (TFT) and a method of fabricating the TFT may be provided. The TFT may include a substrate; a channel formed on the substrate; source and drain layers formed on both ends of the channel; a gate insulator covering the source and drain layers and the channel; a gate formed on the gate insulator; an ILD (interlayer dielectric) layer covering the gate; and/or source and drain electrodes contacting the source and drain layers through contact holes formed in the ILD layer and the gate insulator.
摘要:
A character entry method and apparatus in a terminal in which characters are grouped into a plurality of character sets and a representative character of each of the character sets is imprinted on a respective key are provided. In the character entry method, when a key imprinted with a representative character is pressed, characters belonging to a character set represented by the representative character are displayed. When a directional key is pressed, the number or duration of key presses of the directional key is counted or measured. A character corresponding to the number or duration of key presses is selected among the displayed characters and entered.
摘要:
Provided are methods of forming a more highly-oriented silicon thin layer having a larger grain size, and a substrate having the same. The methods may include forming an aluminum (Al) layer on a base substrate, forming a more highly-oriented Al layer by recrystallizing the Al layer under vacuum, forming a more highly-oriented γ-Al2O3 layer on the more highly-oriented Al layer and/or epitaxially growing a silicon layer on the more highly-oriented γ-Al2O3 layer. The method may be used to manufacture a semiconductor device having higher carrier mobility.
摘要翻译:提供了形成具有较大晶粒尺寸的更高取向硅薄层的方法以及具有其的基板。 所述方法可以包括在基底基板上形成铝(Al)层,通过在真空下重结晶Al层,形成更高取向的Al层,形成更高取向的γ-Al 2 O 在更高取向的Al层上和/或在更高取向的γ-Al 2 O 3上外延生长硅层3层 >层。 该方法可用于制造具有较高载流子迁移率的半导体器件。
摘要:
A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance.