Abstract: A power semiconductor device includes a substrate, a first epi layer of a first conductivity type disposed on the substrate, a second epi layer of a first conductivity type disposed on the first epi layer, a first well of a second conductivity type partially disposed in the first epi layer, a second well of a second conductivity type disposed on the second epi layer, an ion implantation region and a source region of the second conductivity type disposed in the second well, a source electrode in the source region, a gate insulating layer in a trench region where a portion of the ion implantation region and the second epi layer is removed, a trench gate disposed on the gate insulating layer, an interlayer insulating layer disposed on the trench gate and a gate electrode electrically connected to the trench gate.

Abstract: Present embodiment relates to a method for manufacturing a circuit board, and more specifically, to a technique for solving problems that may arise due to etching by injecting epoxy or silicon or inserting a metal block into a gap formed between two or more ceramic substrates.

Abstract: Disclosed is a synaptic transistor, including a substrate, an expansion gate electrode disposed to extend in one direction on the substrate, a gate insulating layer including ions, covering the expansion gate electrode, and disposed on the substrate, a channel layer disposed on the gate insulating layer to correspond to one end of the expansion gate electrode, source and drain electrodes spaced apart from each other, covering both ends of the channel layer, and disposed on the gate insulating layer, and a pad electrode disposed on the gate insulating layer to correspond to the other end of the expansion gate electrode.

Abstract: A semiconductor package includes a semiconductor chip including a chip pad, a first insulating layer provided on the semiconductor chip and including a first via hole, a first wiring pattern provided on the first insulating layer and connected to the chip pad through the first via hole of the first insulating layer, a second insulating layer provided on the first insulating layer and the first wiring pattern and including a second via hole, and a second wiring pattern provided on the second insulating layer and connected to the first wiring pattern through the second via hole of the second insulating layer, wherein the first insulating layer includes a first upper surface in contact with the second insulating layer and a first lower surface opposite to the first upper surface, and the first upper surface of the first insulating layer has surface roughness greater that the first lower surface of the first insulating layer.

Abstract: A water treatment system and a ballast water treatment method. A ballast water treatment system according to an embodiment of the present invention comprises: a first ballast water supply pipe for receiving a supply of ballast water from a first sea chest positioned in a non-explosion-proof area of a ship; an electrolytic bath for electrolyzing the ballast water supplied from the first ballast water supply pipe; a second ballast water supply pipe for receiving a supply of ballast water from a second sea chest, which is positioned in an explosion-proof area of the ship, and supplying the ballast water to a ballast tank of the ship; a filter provided to the second ballast water supply pipe so as to filter the ballast water passing through the second ballast water supply pipe; and a third ballast water supply pipe connected to the second ballast water supply pipe so as to supply the ballast water, which has been electrolyzed from the electrolytic bath, to the ballast water which has passed through the filter.

Abstract: A water treatment system and a ballast water treatment method. A ballast water treatment system according to an embodiment of the present invention comprises: a first ballast water supply pipe for receiving a supply of ballast water from a first sea chest positioned in a non-explosion-proof area of a ship; an electrolytic bath for electrolyzing the ballast water supplied from the first ballast water supply pipe; a second ballast water supply pipe for receiving a supply of ballast water from a second sea chest, which is positioned in an explosion-proof area of the ship, and supplying the ballast water to a ballast tank of the ship; a filter provided to the second ballast water supply pipe so as to filter the ballast water passing through the second ballast water supply pipe; and a third ballast water supply pipe connected to the second ballast water supply pipe so as to supply the ballast water, which has been electrolyzed from the electrolytic bath, to the ballast water which has passed through the filter.

Abstract: The present invention relates to a ballast water treatment system and a ballast water treatment method.

Abstract: The present invention relates to a ballast water treatment system and a ballast water treatment method.

Abstract: An electronic device includes a memory configured to store an application, a communication interface, and a processor. The processor is configured to receive a request to install or execute the application, verify whether the application is authenticated compare at least part of an icon for executing the application with a security indication associated with security of the application. The electronic device provides a result of comparing the at least part of the icon with the security indication based on whether the application is authenticated.

Abstract: A electronic device and a control method of the electronic device are provided. A control method includes providing a first environment in which at least one application can operate and a second environment having an operation environment at least partially different from the first environment; determining whether a first application among the at least one application is to be executed in the second environment, when an execution command of the first application is acquired; and executing the first application in the second environment, when it is determined that the first application is to be executed in the second environment.

Abstract: An electronic device and method of controlling an electronic device are provided. The electronic device includes a communication module; a processor; and a memory that stores instructions to instruct the processor to install a first application operating only in a first environment, install a second application selectively operating in at least one of the first environment and a second environment, grant access to the first application to first data, the first data being generated while the second application operates in the first environment, deny access to the first application to second data, the second data being generated while the second application operates in the second environment, grant access to the second application to third data, the third data being generated while the first application operates in the first environment, and allocate the second application to at least the second environment without a user's input when the second application is installed.

Abstract: A method and a device for determining similarity between sequences are provided. The method includes obtaining a first sequence of frames and a second sequence of frames, determining a descriptor of a first frame of the first sequence based on luma information of blocks in the first frame, the descriptor of the first frame including luma difference information that is determined based on the luma information of the blocks in the first frame, determining a descriptor of a second frame of the second sequence based on luma information of blocks in the second frame, the descriptor of the second frame including luma difference information that is determined based on the luma information of the blocks in the second frame, and determining a similarity between the first sequence and the second sequence based on the descriptor of the first frame and the descriptor of the second frame.

Abstract: An electronic device includes a memory configured to store an application, a communication interface, and a processor. The processor is configured to receive a request to install or execute the application, verify whether the application is authenticated compare at least part of an icon for executing the application with a security indication associated with security of the application. The electronic device provides a result of comparing the at least part of the icon with the security indication based on whether the application is authenticated.

Abstract: A method and a device for determining similarity between sequences are provided. The method includes obtaining a first sequence of frames and a second sequence of frames, determining a descriptor of a first frame of the first sequence based on luma information of blocks in the first frame, the descriptor of the first frame including luma difference information that is determined based on the luma information of the blocks in the first frame, determining a descriptor of a second frame of the second sequence based on luma information of blocks in the second frame, the descriptor of the second frame including luma difference information that is determined based on the luma information of the blocks in the second frame, and determining a similarity between the first sequence and the second sequence based on the descriptor of the first frame and the descriptor of the second frame.

Abstract: An electronic device manages a plurality of microphones comprising a first microphone unit installed in a front side of the electronic device, a second microphone unit installed in a back side of the electronic device and a third microphone unit installed at a position within the electronic device. At least one sensor installed in the electronic device senses a usage condition of the electronic device comprising a physical orientation of the electronic device relative to a plane. A processor selectively operates at least two of the first, second and third microphone units in response to the sensed usage condition of the electronic device.

Abstract: A electronic device and a control method of the electronic device are provided. A control method includes providing a first environment in which at least one application can operate and a second environment having an operation environment at least partially different from the first environment; determining whether a first application among the at least one application is to be executed in the second environment, when an execution command of the first application is acquired; and executing the first application in the second environment, when it is determined that the first application is to be executed in the second environment.

Abstract: An electronic device and method of controlling an electronic device are provided. The electronic device includes a communication module; a processor; and a memory that stores instructions to instruct the processor to install a first application operating only in a first environment, install a second application selectively operating in at least one of the first environment and a second environment, grant access to the first application to first data, the first data being generated while the second application operates in the first environment, deny access to the first application to second data, the second data being generated while the second application operates in the second environment, grant access to the second application to third data, the third data being generated while the first application operates in the first environment, and allocate the second application to at least the second environment without a user's input when the second application is installed.

Abstract: A microphone module for an electronic device is provided. The microphone module includes a window having at least one microphone hole in a part of an edge of the window, a microphone installed in a position corresponding to the microphone hole of the window, and a case frame coupled with the window and forming an appearance of the electronic device. The microphone module receives an external voice through the microphone hole of the window.

Abstract: A device and method for reproducing contents in an electronic device connected through a network are provided. The electronic device includes a communication unit for connecting a network to a second electronic device, an information collection module, which collects information necessary for determining a location of the second electronic device, and at least one processor, which determines the location of the second electronic device, based on the information collected by the information collection module, defines contents to reproduce in the second electronic device, based on the location, and provides the contents to the second electronic device.

Abstract: An audio signal output level control method used in an audio device includes detecting input levels of an audio signal, determining control modes to be applied to the audio signal based on the input levels of the audio signal, controlling the input levels of the audio signal according to the control modes, and determining output levels corresponding to the controlled input levels.