Abstract: A method for manufacturing a semiconductor structure is provided. The method includes forming a mask layer over a substrate, forming a material layer over the mask layer, forming a first blocking structure and a second blocking structure in the material layer separated from each other, and forming a first opening and a second opening in the material layer aligned with the first blocking structure. The method further includes forming a first spacer on sidewalls of the first opening and a second spacer on sidewalls of the second opening, forming a third opening and a fourth opening in the material layer aligned with the second blocking structure, etching the mask layer through the first opening, the second opening, the third opening, and the fourth opening.

Abstract: Disclosed are an operational amplifier and a method for reducing an offset voltage of the operational amplifier, which control an auxiliary circuit to generate a first auxiliary current and a second auxiliary current by adjusting the resistance of a resistance regulator, thereby adjusting a first current and a second current outputted from an input-stage circuit and further adjusting the offset voltage of the operational amplifier. Therefore, the operational amplifier and the method for reducing the offset voltage of the operational amplifier use the resistors to adjust the offset voltage so as to reduce the Least Significant Bit (LSB) distribution, thereby enhancing the accuracy of the offset voltage.

Abstract: A current mode voltage converter having fast transient response is provided. The current mode voltage converter is used for converting an input voltage into an output voltage to drive a load. The current mode voltage converter adaptively adjusts the frequency of a clock signal by a first compensation circuit and a second compensation circuit to accordingly adjust an inductive current. Therefore, the output voltage can be adjusted rapidly in response to different load changes to enhance the transient response of the output voltage.

Abstract: An electronic device includes a display unit, an input unit, a memory unit, a sensor unit, a communication unit, and a control unit. The display unit is configured to display a question and answers corresponding to the question. The input unit is configured to allow user selection of one of the answers. The sensor unit is configured to detect movement of the electronic device. The control unit is configured to control the memory unit to record the one of the answers and to determine whether the movement meets a predetermined condition of shaking after the user selection is received by the input unit, and to control the communication unit to transmit the one of the answers when it is determined that the movement meets the predetermined condition.

Abstract: A method for transmitting a virtual object from a first electronic device to a second electronic device includes steps of: controlling the first electronic device to display a virtual object; in response to receipt of a request from the second electronic device, allowing user input of a user command to the first electronic device; and after the user command is detected, transmitting, by the first electronic device, object data associated with the virtual object to the second electronic device, so as to enable the second electronic device to display the virtual object based on the object data.

Abstract: A method for manufacturing a semiconductor structure is provided. The method includes forming a mask layer over a substrate, forming a material layer over the mask layer, forming a first blocking structure and a second blocking structure in the material layer separated from each other, and forming a first opening and a second opening in the material layer aligned with the first blocking structure. The method further includes forming a first spacer on sidewalls of the first opening and a second spacer on sidewalls of the second opening, forming a third opening and a fourth opening in the material layer aligned with the second blocking structure, etching the mask layer through the first opening, the second opening, the third opening, and the fourth opening.

Abstract: An IoT enhanced educational system is to be operated by a user, and includes a learning aid unit, a positioning unit and a processing unit. The learning aid unit includes a plurality of objects that are configured to be moved by the user. The positioning unit is configured to determine a position of each of the objects and to generate position data associated with the positions of the objects. The processing unit is electrically connected to the positioning unit for receiving therefrom the position data, and is configured to generate, according to the positions of the objects contained in the position data, an assessment associated with the user.

Abstract: A substrate wafer composed of a hexagonal single crystal material including a C crystalline plane, an A crystalline plane, and an M-axis direction includes a top surface is a C-axis plane; a first side connecting to the aforementioned top surface and being substantially a curve line viewing from the direction perpendicular to the aforementioned C crystalline plane and including a curvature center; and a second side connecting to the aforementioned first side; and wherein there is a line segment defined by a shortest distance between the aforementioned second side and the aforementioned curvature center, and the aforementioned line segment is not parallel with the aforementioned M-axis direction.

Abstract: A searching system, searching method and P2P devices for a P2P device community are provided. An online server connects to a content management server and a P2P device community, respectively. The content management server includes a search engine and an index database, and each of the P2P devices of the P2P device community is provided with an indexed data and a weighted data. The index database is recorded with the indexed data associated with each of the P2P devices of the P2P device community, and the search engine searches the index database to generate a search result and then generates a weighted and sorted search result based on the weighted data, thereby achieving the object of searching important file data in the P2P device community.

Abstract: A modulation method, for a voltage converting device, includes generating a first modulation signal according to an input voltage and a first output voltage; generating a second modulation signal according to the input voltage and a second output voltage; adjusting the first modulation signal and the second modulation signal according to a clock signal for making a first starting time of the first modulation signal be different from a second starting time of the second modulation signal; and generating the first output voltage and the second output voltage according to the input voltage, the first modulation signal and the second modulation signal.

Abstract: A method is provided for recommending a desired func sequence to a user. The method includes obtaining a user intention list including at least one user intention; separating the user intention into a plurality of tasks; and creating a task flow graph for the plurality of tasks based on user usage data. Each vertex in the task flow graph represents a task and indicating an importance of the task. The method also includes creating a func flow graph based on the user usage data and temporal sequences of the tasks and funcs, and each vertex in the func flow graph represents a func and indicating an importance of the func. Further, the method includes determining a desired func sequence to fulfill the user intention based on the user usage data, the task flow graph, and the func flow graph; and recommending the desired func sequence to the user.

Abstract: An electronic device includes a display unit, an input unit, a memory unit, a sensor unit, a communication unit, and a control unit. The display unit is configured to display a question and answers corresponding to the question. The input unit is configured to allow user selection of one of the answers. The sensor unit is configured to detect movement of the electronic device. The control unit is configured to control the memory unit to record the one of the answers and to determine whether the movement meets a predetermined condition of shaking after the user selection is received by the input unit, and to control the communication unit to transmit the one of the answers when it is determined that the movement meets the predetermined condition.

Abstract: A method is provided for recommending a desired func sequence to a user. The method includes obtaining a user intention list including at least one user intention; separating the user intention into a plurality of tasks; and creating a task flow graph for the plurality of tasks based on user usage data. Each vertex in the task flow graph represents a task and indicating an importance of the task. The method also includes creating a func flow graph based on the user usage data and temporal sequences of the tasks and funcs, and each vertex in the func flow graph represents a func and indicating an importance of the func. Further, the method includes determining a desired func sequence to fulfil the user intention based on the user usage data, the task flow graph, and the func flow graph; and recommending the desired func sequence to the user.

Abstract: A multi-application vehicle emergency rescue starter includes a housing holding therein a battery and a charging circuit, and an output end located at one side of the housing and electrically coupled with the battery and the charging circuit. The output end includes a first starter power outlet for the connection of a jumper cable, a second starter power outlet for the connection of a power cable for vehicle emergency rescue device, and a USB connector electrically coupled with the battery and the charging circuit and adapted for charging a battery of a mobile electronic device through a USB cable.

Abstract: A vehicle emergency starter supplementary device includes a power input end for the connection of an external mobile power supply device for power input, a power output end, a cigarette lighter receptacle applicable power cable for electrically and detachably connecting the power output end to a cigarette lighter receptacle in a motor vehicle for power output, a control unit, a voltage regulator circuit controlled by the control unit to regulate the voltage of input power for outputting to the power output end, and an input terminal sensor controllable by the control unit to detect the voltage of the input power, an output terminal sensor controllable by the control unit to detect the voltage of the output power.

Abstract: A method for fabricating a semiconductor device is provided. The method includes the following steps. A substrate including a memory cell region and a peripheral region is provided, and a plurality of isolation structures are formed in the substrate. Each of the isolation structures contains an exposed portion protruding beyond the surface of the substrate. A first dielectric layer is formed on the substrate. A protective layer is formed on a sidewall of the exposed portion of each of the isolation structures. The first dielectric layer on the peripheral region is removed. A second dielectric layer is formed on the substrate of the peripheral region.

Abstract: A searching system, searching method and P2P devices for a P2P device community are provided. An online server connects to a content management server and a P2P device community, respectively. The content management server includes a search engine and an index database, and each of the P2P devices of the P2P device community is provided with an indexed data and a weighted data. The index database is recorded with the indexed data associated with each of the P2P devices of the P2P device community, and the search engine searches the index database to generate a search result and then generates a weighted and sorted search result based on the weighted data, thereby achieving the object of searching important file data in the P2P device community.

Abstract: A method for manufacturing a structure having an air gap includes following steps. A plurality of patterns is formed in a pattern region of a substrate. A sacrificial layer is formed on the substrate, and a top surface of the sacrificial layer is lower than a top surface of the patterns to expose a plurality of upper portions of the patterns. A hard mask layer is formed to cover the sacrificial layer and the upper portions of the patterns. An etching-back process is performed to the hard mask layer to expose the sacrificial layer outside the pattern region, and the hard mask layer remaining inside the pattern region seals the opening between the upper portions of the patterns. The sacrificial layer is removed to form an air gap between the two adjacent patterns.

Abstract: A semiconductor fabrication method is provided. A substrate having thereon a base layer, a hard mask layer, and a core layer is prepared. A resist pattern is transferred to the core layer, thereby forming a core pattern. The core pattern is subjected to a post-clean process. Thereafter, a spacer layer is deposited on the core pattern. The spacer layer is etched to form spacer pattern on each sidewall of the core pattern. The core pattern is then removed. The spacer pattern is transferred to the underlying hard mask layer and the base layer.

Abstract: A method for manufacturing a structure having an air gap includes following steps. A plurality of patterns is formed in a pattern region of a substrate. A sacrificial layer is formed on the substrate, and a top surface of the sacrificial layer is lower than a top surface of the patterns to expose a plurality of upper portions of the patterns. A hard mask layer is formed to cover the sacrificial layer and the upper portions of the patterns. An etching-back process is performed to the hard mask layer to expose the sacrificial layer outside the pattern region, and the hard mask layer remaining inside the pattern region seals the opening between the upper portions of the patterns. The sacrificial layer is removed to form an air gap between the two adjacent patterns.