摘要:
An air conditioning apparatus is provided. The air conditioning apparatus includes a cover assembly having an indoor air suction hole, a filter assembly cleaning indoor air sucked through the indoor air suction hole, and a grill. The grill includes a discharge grill formed on a side for discharging the indoor air cleaned by the filter assembly to an indoor area, and an exhaust grill for discharging indoor air to an outdoor area. A fan assembly draws indoor or outdoor air toward the grill. A rear panel is coupled to the grill. The rear panel includes a suction hole formed in one side for introducing outdoor air and an exhaust hole formed beside the suction hole for discharging indoor air to the outdoor area.
摘要:
Provided is a device for resizing a JPEG image having a nonstandard size at a predetermined ratio to output the resized image on a display unit without distortion in a mobile communication terminal. A method for processing a JPEG image in a mobile communication terminal comprises extracting image sizes (X, Y) from JPEG data of a JPEG file stored in an image data storing unit, comparing display area sizes (dx, dy) of the display unit with the image sizes (X, Y), and resizing the image sizes (X, Y) while maintaining the ratio of width:length in consideration of the display area sizes (dx, dy) to output the resized image to the display unit.
摘要:
A method of manufacturing a bipolar device including pre-treatment using germane gas and a bipolar device manufactured by the same. The method includes forming a single crystalline silicon layer for a base region on a collector region; and forming a polysilicon layer for an emitter region thereon. Here, before the polysilicon layer is formed, the single crystalline silicon layer is pre-treated using germane gas. Thus, an oxide layer is removed from the single crystalline silicon layer, and a germanium layer is formed on the single crystalline silicon layer, thus preventing Si-rearrangement.
摘要:
In a metal-oxide semiconductor (MOS) transistor with an elevated source/drain structure and in a method of fabricating the MOS transistor with the elevated source/drain structure using a selective epitaxy growth (SEG) process, a source/drain extension junction is formed after an epi-layer is formed, thereby preventing degradation of the source/drain junction region. In addition, the source/drain extension junction is partially overlapped by a lower portion of the gate layer, since two gate spacers are formed and two elevated source/drain layers are formed in accordance with the SEG process. This mitigates the short channel effect and reduces sheet resistance in the source/drain layers and the gate layer.
摘要:
Disclosed are processes and techniques for fabricating semiconductor substrates for the manufacture of semiconductor devices, particularly CMOS devices, that include selectively formed, high quality single crystal or monocrystalline surface regions exhibiting different crystal orientations. At least one of the surface regions will incorporate at least one faceted epitaxial semiconductor structure having surfaces that exhibit a crystal orientation different than the semiconductor region on which the faceted epitaxial semiconductor structure is formed. According, the crystal orientation in the channel regions of the NMOS and/or PMOS devices may be configured to improve the relative performance of at least one of the devices and allow corresponding redesign of the semiconductor devices fabricated using such a process.
摘要:
A method for manufacturing a high-transmittance optical filter for image display devices, which may include the steps of coating a photocatalytic compound on a transparent substrate to form a photocatalytic film, selectively exposing the photocatalytic film to light and growing a metal crystal thereon by plating to form a metal pattern, and selectively etching and removing the photocatalytic compound remaining on the transparent substrate using a buffered oxide etchant (BOE). According to the method, a high-transmittance, high-resolution and low-resistivity optical filter can be manufactured in a simple manner at low costs.
摘要:
A multi-layered structure of a semiconductor device includes a substrate, and a heteroepitaxial layer having a low dislocation defect density on the substrate. The heteroepitaxial layer consists of a main epitaxial layer and at least one intermediate epitaxial layer sandwished in the main epitaxial layer. At their interface, the heteroepitaxial layer, i.e., the bottom portion of the main epitaxial layer, and the substrate have different lattice constants. Also, the intermediate epitaxial layer has a different lattice constant from that of the portions of the main epitaxial layer contiguous to the intermediate epitaxial layer. The intermediate epitaxial layer also has a thickness smaller than the net thickness of the main epitaxial layer such that the intermediate epitaxial layer absorbs the strain in the heteroepitaxial layer. Thus, it is possible to obtain a multi-layered structure comprising an epitaxial layer that is relatively thin and has a low dislocation defect density.
摘要:
In methods of selectively forming an epitaxial semiconductor layer on a single crystalline semiconductor and semiconductor devices fabricated using the same, a single crystalline epitaxial semiconductor layer and a non-single crystalline epitaxial semiconductor layer are formed on a single crystalline semiconductor and a non-single crystalline semiconductor pattern respectively, using a main semiconductor source gas and a main etching gas. The non-single crystalline epitaxial semiconductor layer is removed using a selective etching gas. The main gases and the selective etching gas are alternately and repeatedly supplied at least two times to selectively form an elevated single crystalline epitaxial semiconductor layer having a desired thickness only on the single crystalline semiconductor. The selective etching gas suppresses formation of an epitaxial semiconductor layer on the non-single crystalline semiconductor pattern.
摘要:
A device and method for detecting and suppressing double-talk in a cellular mobile unit employ a cellular transceiver; a receive signal path; a transmit signal path; and a double-talk detector. The double-talk detector determines a receive slope of a receive signal, and determines a transmit slope of a transmit signal. The double-talk detector further determines a difference slope of a difference signal that is determined by evaluating differences between the receive signal and the transmit signal. Finally, the double-talk detector generates a double-talk flag signal in the event the transmit slope indicates an increasing transmit speech power, and the receive slope and the difference slope indicate a prescribed relationship between the changes in the receive speech power and the difference power.