Abstract: Disclosed is a method of manufacturing a multilayer piezoelectric element including internal electrodes, including providing a piezoelectric sheet including ceramic, forming internal electrodes on the piezoelectric sheet to create a piezoelectric sheet with internal electrodes formed thereon, stacking a plurality of piezoelectric sheets with internal electrodes formed thereon to create a piezoelectric stack, sintering the piezoelectric stack to create a sintered piezoelectric stack, and heat-treating the sintered piezoelectric stack in a reducing atmosphere, in which the internal electrodes are formed in an area ratio of 90% or more relative to the area of the piezoelectric sheet, thereby facilitating reduction of the internal electrodes even by reduction heat treatment at a relatively low temperature.

Abstract: In analog-to-digital conversion, a plurality of stages configured in a sequence to sequentially decide a plurality of bits in successive-approximation, each of the plurality of stages configured to operate in response to a corresponding clock among a plurality of clocks, and decide a corresponding bit among the plurality of bits from a corresponding positive pulse among a plurality of positive pulses and a corresponding negative pulse among a plurality of negative pulses; and a plurality of clock generating circuits respectively corresponding to a plurality of first stages among the plurality of stages, each of the plurality of clock generating circuit configured to generate the corresponding clock of a corresponding stage among the plurality of first stages based on an operation of a previous stage among the plurality of stages, the previous stage being before the corresponding stage in the sequence.

Abstract: There is provided a communication chip package integrating an antenna and a heat dissipation ground. In the integrated package according to an embodiment, a heat dissipation ground is coupled to a high frequency communication chip package, an antenna patch is directly disposed on an upper portion of a mold of a ceramic material, changes are made to the structure of the ceramic mold to minimize a wire bonding length to a communication chip, a capacitive power feeding method is applied through a sidewall of the ceramic mold, and heat is discharged through a lower portion of the package and also through a PCB or an additional heat dissipation structure of a lower portion of the PCB. Accordingly, an insertion loss may be minimized and an effect of heat dissipation may be maximized.

Abstract: An adhesive composition, a method for preparing the same, a reticle assembly including the same, and a method for fabricating the reticle assembly including the same are provided. The adhesive composition includes a polyphenol compound including tannic acid, a polymer including polyvinyl alcohol, and a solvent including water and alcohol.

Abstract: An electronic device for estimating body temperature may include: a sensor including a heat source, a pair of first temperature sensors horizontally spaced apart from each other at two opposing sides of the heat source, and a pair of second temperature sensors vertically spaced apart from the pair of first temperature sensors in a thickness direction of the electronic device; and at least one processor configured to estimate a blood temperature difference based on temperatures measured by the pair of first temperature sensors and the pair of second temperature sensors, and estimate blood flow information based on the estimated blood temperature difference.

Abstract: A method for treating wastewater containing fluorine is disclosed. The method for treating wastewater includes applying a vacuum to a membrane unit including a membrane having a hollow, injecting wastewater into the membrane unit so that the wastewater contacts an outer surface of the membrane, recovering hydrofluoric acid gas by evaporating hydrofluoric acid (HF) in the wastewater based on a vacuum applied to the inner surface of the membrane and moving the evaporated hydrofluoric acid (HF) to the inner surface through the membrane, injecting sweep gas into the membrane unit to discharge hydrofluoric acid gas remaining on the inner surface of the membrane, and forming a metal fluoride by reacting the recovered hydrofluoric acid gas with a metal oxide or metal hydroxide using a scrubbing process.

Abstract: Provided is a semiconductor package including a circuit board, a semiconductor chip on the circuit board, a heat dissipation member adjacent to the semiconductor chip, and a heat transmission member between the semiconductor chip and the heat dissipation member, the heat transmission member including a resin insulating body and phase change metal particles connected to each other in the resin insulating body, wherein the phase change metal particles connect the semiconductor chip and the heat dissipation member, the phase change metal particles being configured to transmit heat generated by the semiconductor chip to the heat dissipation member.

Abstract: A method and apparatus with object detector training is provided. The method includes obtaining first input data and second input data from a target object; obtaining second additional input data by performing data augmentation on the second input data; extracting a first feature to a shared embedding space by inputting the first input data to a first encoder; extracting a second feature to the shared embedding space by inputting the second input data to a second encoder; extracting a second additional feature to the shared embedding space by inputting thesecond additional input data to the second encoder; identifying a first loss function based on the first feature, the second feature, and the second additional feature; identifying a second loss function based on the second feature and the second additional feature; and updating a weight of the second encoder based on the first loss function and the second loss function.

Abstract: There is provided a method for dividing query computations and scheduling for CSDs in a DB system in which a plurality of CSDs are used as a storage. A scheduling method according to an embodiment includes: selecting one of a plurality of scheduling polices; selecting a CSD to which snippets included in a group are delivered according to the selected scheduling policy; and delivering the snippets to the selected CSD, and the scheduling polices are polices for selecting CSDs to which snippets are delivered, based on different criteria. Accordingly, CSDs may be randomly selected according to user setting or a query execution environment, or an optimal CSD may be selected according to a CSD status or a content of an offload snippet, so that a query execution speed can be enhanced.

Abstract: There is provided a smart power management method for power consumption reduction based on an intelligent BMC. A cooling fan control method by a BMC according to an embodiment includes: collecting monitoring data regarding computing modules; calculating a current CPU power from the collected monitoring data; predicting a future CPU temperature from the collected monitoring data; setting a rotation speed of a cooling fan based on the calculated current CPU power and the predicted future CPU temperature; and controlling the cooling fan at the set rotation speed. Accordingly, the BMC controls a cooling fan effectively/efficiently by interworking with on-device AI, thereby reducing power consumption in a server.

Abstract: There are a method and an apparatus for managing a hybrid cloud to perform consistent resource management for all resources in a heterogeneous cluster environment which is comprised of an on-premise cloud and a plurality of public clouds. Accordingly, the method and apparatus for hybrid cloud management provides an integration support function between different cluster orchestrations in a heterogenous cluster environment which is comprised of an on-premise cloud and a plurality of public clouds, supports consistent resource management for all resources, and provides optimal workload deployment, free optimal reconfiguration, migration and restoration, whole resource integration scaling.

Abstract: There is provided an intelligent BMC for predicting a fault by interworking on-device AI. A fault prediction method of a BMC according to an embodiment includes: collecting monitoring information regarding computing modules installed on a main board; calculating a FOFL from the collected monitoring data; and constructing an AI model related to the calculated FOFL and predicting a FOFL from the monitoring data. Accordingly, a fault occurring in various patterns may be predicted based on monitoring data by interworking with on-device AI.

Abstract: There is provided a query execution method in a DB system in which a plurality of CSDs are used as a storage. According to an embodiment, a query execution method includes: generating snippets for offloading a part of query computations for a query received from a client to CSDs; scheduling the generated snippets for the CSDs; collecting results of offloading; and merging the collected results of offloading. Accordingly, by dividing query computations, offloading, and processing in parallel, while processing query computations that are inappropriate for offloading by a DBMS, a query request from a client can be executed effectively and rapidly.

Abstract: There is provided a cloud management method and apparatus for available GPU resource scheduling in a large-scale container platform environment. Accordingly, a list of available GPUs may be reflected through a GPU resource metric collected in a large-scale container driving (operating) environment, and an allocable GPU may be selected from the GPU list according to a request, so that GPU resources can be allocated flexibly in response to a GPU resource request of a user (resource allocation reflecting requested resources rather than 1:1 allocation).

Abstract: Provided is an electronic device and method of controlling same, the electronic device including: memory; and at least one processor operatively connected with the memory, wherein the at least one processor is configured to: obtain a voice signal based on a text to speech (TTS) model including a plurality of nodes, stored in the memory, wherein the voice signal corresponds to an input text, based on identifying that the voice signal includes an error, identify an error part of the voice signal which includes the identified error, identify an activity of each of the plurality of nodes related to the error part, and modify at least one node among the plurality of nodes based on the identified activity of the at least one node.

Abstract: A system evaluates residential satisfaction of residents living in a building, based on personal tendencies of the residents and sensing data collected through sensors in the building. The system may include a server that evaluates the residential satisfaction of the residents by analyzing a correlation between the sensing data and residential satisfaction information obtained from the survey conducted through a communication manner including the user terminals. The server may control an air conditioning system in the building of a control target by predicting a feature-based preferred section of the users through random forest model learning.

Abstract: There is a method for monitoring emotion and behavior occurring during a conversation with a user who is in need of protection. According to an embodiment, a user monitoring method receives an input of a user utterance and generates a conversation content by using a conversation model based on a user utterance content, converts the generated conversation content into a voice and outputs the voice, and recognizes emotion of the user by using an emotion analysis model based on the user utterance content and monitors the emotion. Accordingly, the method may monitor behavior/emotion of a user through a natural conversation while allowing a specialist/guardian to monitor an abnormal sign of a user who is in need of protection.

Abstract: A light sensing device includes a semiconductor layer including a distributed Bragg reflector including a first surface of the semiconductor layer, and a photoelectric conversion unit including a second surface of the semiconductor layer, and the distributed Bragg reflector has a plurality of holes each having, in a cross-sectional view, a width gradually changing from a first width to a second width according to a width change period; a first electrode in one region of the semiconductor layer; and a second electrode on the second surface of the semiconductor layer and having a reflective metal.

Abstract: An immersion lithographic system may include a wafer stage configured to support a wafer, a projection optical system on the wafer stage and configured to irradiate light toward the wafer, a liquid supply unit configured to supply a liquid between the wafer stage and the projection optical system to form an immersion lens through which the light is transmitted, and a vapor supply unit configured to supply vapors to the immersion lens. The immersion lens and the vapor supply unit may be aligned in a vertical direction.

Abstract: There is a method for applying a BMC analytical local fan control model in a rugged environment. A server chassis cooling fan control method according to an embodiment controls rotation speeds of cooling fans on a zone basis while identifying/managing a temperature distribution of an edge server chassis on a zone basis through BMC data analysis. Accordingly, a damage that may be caused by increased temperature of an edge server in a rugged environment may be minimized, and also, power consumption for cooling an edge server may be reduced.