摘要:
A method of forming an isolation film in a semiconductor device is disclosed. The disclosed method includes performing a patterning process on a predetermined region of a semiconductor substrate in which a patterned pad film is formed, forming a trench defining an inactive region and an active region, forming a liner film on the entire surface including the trench, forming an insulating film for trench burial only within the trench, stripping the remaining liner film formed except for the inside of the trench and the patterned pad film formed below the liner film, forming a sacrificial film on the entire surface, and performing a polishing process on the entire surface in which the sacrificial film is formed until the semiconductor substrate of the active region is exposed, thereby forming the isolation film having no topology difference with the semiconductor substrate of the active region.
摘要:
A method and an apparatus for constructing and operating a cyber-conference in cyberspace are disclosed. The method comprises the steps of: accessing a cyber-conference operating web site provided on cyberspace; applying for registration to a cyber-conference operation server; approving the registration based on data stored on a database; and creating a cyber-conference in the cyberspace. The apparatus, which is connected to a user client and a conference client through a communication network, comprises a storage unit for storing a program, embodied on a computer-readable medium, capable of constructing and operating the cyber-conference; a database storing data related to the cyber-conference; and a server connected to the storage unit and the database.
摘要:
Disclosed is an image module having a function of an automatic focus adjustment based on a COB system for miniaturization and unification. The image module includes an image packaging unit, which comprises a sensor for sensing a picture image, a substrate including the sensor, a sensor cover for covering the sensor and the substrate at the outside and a sensor filter for blocking an outer environment and passing light between the sensor cover and the sensor only; and a lens blade unit, which comprises a lens blade having a lens to transmit the light at a center and a driving coil on a surface thereof, an elastic means for supplying a current to the driving coil of the lens blade and supporting the lens blade, and a magnet for forming a magnetic field to enable the lens blade to shift up and down due an electromagnetic force, and thereby lowering power consumption and production cost and improving reliability on a product thereof.
摘要:
Disclosed are compositions and methods for producing a cathode for a secondary battery, where lithium manganese fluorophosphate such as Li2MnPO4F can be used as an electrode material. Li2MnPO4F is prepared by chemical intercalation of lithium, and can be used as an electrode material, and a non-lithium containing material can then be used as an anode material for manufacturing of a full cell. Furthermore, it is possible to provide a carbon coating for a cathode material for a lithium battery, which has improved electrical conductivity.
摘要:
The present invention relates to a lithium ion capacitor having excellent capacitance characteristics and high energy density. More particularly, the present invention relates to a cathode active material for a lithium ion capacitor, which utilizes a lithium composite metal oxide having a large initial irreversible capacitance as a specific cathode additive in addition to a carbon-based material applied as a cathode active material, and a production method thereof, and a lithium ion capacitor including the same.According to the present invention, lithium can be electrochemically doped on an anode without using metal lithium, and the capacitance characteristics of a lithium ion capacitor and the safety of a lithium-doping process can be significantly improved.
摘要:
The disclosure relates to an anode active material, a non-aqueous lithium secondary battery, and a manufacturing method thereof. The anode active material of this disclosure comprises a carbon-based material, and a coating film formed on the surface of the carbon-based material by performing heat treatment using an ammonia-based compound. The coating film may be formed on the surface of the carbon-based material through a thermal decomposition method using 10% or less by weight of the ammonia-based compound with respect to the carbon-based material. Since the surface of the carbon-based material is thermally treated using the ammonia-based compound, side reaction of the carbon-based material with an electrolyte at the surface thereof can be suppressed and structural stability can be enhanced, thereby improving battery lifespan and high-rate capability of a non-aqueous lithium secondary battery.
摘要:
Embodiments for providing a method of controlling timing of a downlink backhaul sub-frame and a relay system for the same are disclosed. According to the present invention, a control signal is transmitted to user equipment during a control symbol period of a sub-frame and a data starting point of the sub-frame is set after a time (SG1) for switching from a transmission mode to a reception mode to receive backhaul data of a base station during a backhaul symbol period. Timing of a transmission sub-frame and a reception sub-frame is delayed by the SG1. A sum of a length of the SG1 and a time (SG2) for switching from the reception mode to the transmission mode is shorter than a length of a symbol having a normal CP. At this time, the lengths of the SG1 and the SG2 are identical to each other or the length of the SG2 is shorter than the length of the SG1. In such a case, the backhaul data are received up to a last symbol period of backhaul symbols of the reception sub-frame.
摘要:
In one embodiment, after determining downlink backhaul sub-frames based on a constitution period of backhaul sub-frames and determining uplink backhaul sub-frames based on the determined downlink backhaul sub-frames by a relay, all or portions of uplink signals in the determined uplink backhaul sub-frames are transmitted within a backhaul sub-frame allocation period, or after assigning numbers to all of the determined uplink backhaul sub-frames, all or portions of uplink signals are transmitted according to the assigned uplink backhaul sub-frame numbers within a backhaul sub-frame allocation period.
摘要:
An electronic relay for single phase induction motor, the electronic relay including a triac located between a start winding and a start capacitor of the single phase induction motor to control current flow of the start winding and an induced voltage detection circuit to detect an induced voltage of the start winding proportional to an angular velocity of the motor. The electronic relay is adapted to detect a zero-point voltage of a motor line voltage before start of the motor and to calculate an acceleration torque during start of the motor. The electronic relay is programmed to turn on the triac when the zero-point voltage of the motor line is detected and to turn off the triac when the acceleration torque begins decreasing.
摘要:
The present invention relates to a method for reducing a resource element group (REG) size, which is used at a control channel element (CCE) for a relay physical downlink control channel (R-PDCCH), for the purpose of easy interleaving by a physical resource block (PRB) unit for the R-PDCCH, and a mobile telecommunication system for the same. The mobile telecommunication system of the present invention includes reducing the CCE size to 8 REGs or less of the R-PDCCH to be included in a single PRB.