摘要:
A semiconductor memory device and a method for forming the same. The method includes forming an insulating layer on a semiconductor substrate having a conductive region, forming a contact hole that exposes the conductive region by etching the insulating layer, forming a barrier metal layer that covers a sidewall and a bottom of the contact hole, and forming a contact plug in the contact hole by interposing the barrier metal layer therebetween. An etching process may be preformed that recesses the barrier metal layer and the contact plug in such a manner that a top surface of the contact plug protrudes upward beyond a top surface of the barrier metal layer. A capping plug may be formed covering the recessed barrier metal layer and the recessed contact plug. A capacitor may be formed on the capping plug.
摘要:
In a communication system, a terminal receives user information while an initial network entry operation is performed. The terminal transfers the received user information to an authentication server and receives an authentication information mapped to the user information required for the authentication from the authentication server. The terminal performs authentication with the authentication server using the received authentication information. Therefore, the terminal and the authentication server can securely share the authentication information, and the authentication server can easily change and manage the authentication information.
摘要:
A plug comprises a first insulating interlayer, a tungsten pattern and a tungsten oxide pattern. The first insulating interlayer has a contact hole formed therethrough on a substrate. The tungsten pattern is formed in the contact hole. The tungsten pattern has a top surface lower than an upper face of the first insulating interlayer. The tungsten oxide pattern is formed in the contact hole and on the tungsten pattern. The tungsten oxide pattern has a level face.
摘要:
An apparatus and method for supporting an Assisted Global Positioning System (AGPS) during emergency service in a communication system are provided. The system includes a client, an integration location server, and a dual mode Mobile Station (MS). The client requests MS location information for emergency service. The integration location server receives MS access information and sends a location information request. The dual mode MS receives the location request, activates a second communication modem, and performs an AGPS operation with the integration location server.
摘要:
An apparatus and method is provided for transmitting a signal in a communication system. Upon transition to a power saving mode, a lower layer unit sends a notification indicating the transition to the power saving mode to an upper layer unit. Upon receipt of the notification indicating the transition, the upper layer unit activates a traffic filter having a filtering condition. If upper layer traffic is generated after activating the traffic filter, the upper layer unit filters the upper layer traffic using the traffic filter, and processes the upper layer traffic according to the filtering result.
摘要:
A semiconductor device is fabricated by forming a lower conductor in a first interlayer dielectric film. A second interlayer dielectric film is formed on the lower conductor and the first interlayer dielectric film. A first hard mask pattern is formed on the second interlayer dielectric film. The first mask pattern has a first opening extending in a first direction. A planarization layer is formed on the first hard mask pattern. A mask pattern is formed on the planarization layer. The mask pattern has a second opening extending in a second direction perpendicular to the first direction. The lower conductor is positioned under an region where the first opening and the second opening overlap. A via hole and a trench connected to the via hole is formed using the first hard mask pattern and the mask pattern. The via hole exposes an upper surface of the lower conductor.
摘要:
A power saving mode is provided. A method for entering a power saving mode of a terminal includes a first operation for starting a first timer after transmitting an idle mode request message; a second operation for, when an idle mode approval message is not received until the first timer expires, checking whether a number of retransmissions of the idle mode request message exceeds a number of allowed retransmissions of the idle mode request message; a third operation for, when the number of the retransmissions of the idle mode request message exceeds the number of the allowed retransmissions of the idle mode request message, increasing a number of idle mode entry failures; and a fourth operation for, when the increased number of the idle mode entry failures is greater than N times, entering a power saving mode which powers off a modem.
摘要:
An apparatus and method for supporting an Assisted Global Positioning System (AGPS) during emergency service in a communication system are provided. The system includes a client, an integration location server, and a dual mode Mobile Station (MS). The client requests MS location information for emergency service. The integration location server receives MS access information and sends a location information request. The dual mode MS receives the location request, activates a second communication modem, and performs an AGPS operation with the integration location server.
摘要:
A plug comprises a first insulating interlayer, a tungsten pattern and a tungsten oxide pattern. The first insulating interlayer has a contact hole formed therethrough on a substrate. The tungsten pattern is formed in the contact hole. The tungsten pattern has a top surface lower than an upper face of the first insulating interlayer. The tungsten oxide pattern is formed in the contact hole and on the tungsten pattern. The tungsten oxide pattern has a level face.
摘要:
A power saving mode is provided. A method for entering a power saving mode of a terminal includes a first operation for starting a first timer after transmitting an idle mode request message; a second operation for, when an idle mode approval message is not received until the first timer expires, checking whether a number of retransmissions of the idle mode request message exceeds a number of allowed retransmissions of the idle mode request message; a third operation for, when the number of the retransmissions of the idle mode request message exceeds the number of the allowed retransmissions of the idle mode request message, increasing a number of idle mode entry failures; and a fourth operation for, when the increased number of the idle mode entry failures is greater than N times, entering a power saving mode which powers off a modem.