Abstract: In an embodiment, a semiconductor die includes a substrate, an interlayer insulating layer under a front-side surface the substrate, a horizontal metal interconnection in the interlayer insulating layer, a front-side pad under a lower surface of the interlayer insulating layer, a front-side bump structure under a lower surface of the front-side pad, a through-electrode vertically passing through the substrate, a back-side insulating layer over the back-side surface of the substrate, a first back-side metal plate layer over the back-side insulating layer, a back-side passivation layer over the back-side insulating layer and covering the first back-side metal plate layer, and a back-side bump structure over the through-electrode and the back-side passivation layer.

Abstract: An aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same are disclosed. The aluminum alloy-plated steel sheet that includes a base sheet, and an alloy-plated layer formed on the base sheet. Interfacial roughness between the alloy-plated layer and the base steel sheet is 25. ?m or less. Such an aluminum alloy-plated steel sheet prevents microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance. A method for manufacturing such an aluminum alloy-plated steel is also disclosed.

Abstract: An aerosol generating article includes a front-end plug configured to introduce external air into the aerosol generating article, a tobacco medium portion including a tobacco material in the form of granules, and a filter unit arranged at a position opposite the front-end plug across the tobacco medium portion, wherein the tobacco material has a pH value of 7 to 11.

Abstract: An aerosol generating device includes a first cartridge configured to accommodate a first smokable material and comprising a delivery hole through which an aerosol generated from the first smokable material is delivered; a second cartridge comprising a plurality of chambers for accommodating a second smokable material through which the aerosol delivered from the first cartridge passes, and movably coupled to the first cartridge such that a position of the second cartridge with respect to the first cartridge is changeable; a magnetic body arranged in one of the second cartridge and the first cartridge; and an electromagnet arranged in the other of the second cartridge and the first cartridge to face the magnetic body, and configured to generate magnetism toward the magnetic body such that one of the plurality of chambers is aligned with the delivery hole to form a flow path to a mouthpiece.

Abstract: An aerosol generating device includes an aerosol delivering device including a first cartridge in which a first material for generating an aerosol is accommodated, and a second cartridge rotatably coupled to the first cartridge, configured to accommodate a second material, and arranged such that an aerosol generated from the first material passes through the second material, and an atomizer that is connected to the first cartridge and configured to generate the aerosol by atomizing the first material and deliver the aerosol to the second cartridge.

Abstract: The machine learning method for a LiDAR-based deep learning object perception apparatus comprises preparing an original dataset of a LiDAR point cloud; acquiring virtual object datasets from a point cloud database; adding the virtual object datasets to the original dataset based on an association of position information for each object to acquire a learning dataset; and training the LiDAR-based deep learning object perception apparatus using the learning dataset.

Abstract: A battery pack includes a plurality of battery modules including module cases. Side surfaces of the module cases in which battery cells are accommodated face each other and a water injection hole is formed in a top surface of each of the module cases, and a fire extinguishing tank unit containing a fire extinguishing agent, located over the plurality of battery modules, and configured to supply the fire extinguishing agent only into a battery module in which a thermal event occurs from among the plurality of battery modules through the water injection holes.

Abstract: An electrode assembly includes a first electrode; a second electrode; and a separator, the first electrode, the second electrode, and the separator wound about an axis defining a core and an outer circumference of the electrode assembly. The first electrode has a pair of first sides and a pair of second sides, a first portion extending between the pair of first sides, and a second portion extending between the pair of first sides, the first portion being coated with an active material, and at least a part of the second portion includes an electrode tab. The second portion includes a first part adjacent to the core of the electrode assembly, a second part adjacent to the outer circumference of the electrode assembly, and a third part between the first part and the second part. The first or second part has a smaller height than the third part.

Abstract: The present application provides a polyamic acid aqueous solution composition prepared of a polyimide, wherein the composition enables the polymerization of hydrophobic-based monomers into a polyamic acid in water and is improved in transparency, eco-friendliness, storage stability, and the like when cured.

Abstract: Provided is an acoustic resonator including: a substrate including a first cavity; a first electrode formed above the substrate; a piezoelectric layer formed on one surface of the first electrode; and a second electrode formed on one surface of the piezoelectric layer, wherein the first electrode and the piezoelectric layer include an overlapping area that corresponds to a first end and a second end of the first cavity, the first electrode has a termination surface formed as an inclined surface of a first acute angle ?1 outside the overlapping area with respect to the second end of the first cavity, the piezoelectric layer is formed to include a first air bridge area that has a second cavity and is formed between the piezoelectric layer and the first electrode in a vertical direction and between the second end of the first cavity and the termination surface in a horizontal direction.

Abstract: A filter module mounted on an air purifier to filter air includes a first filter unit and a second filter unit detachably connected to the first filter unit and arranged to surround the first filter unit. The first filter unit includes a shape-corresponding portion having at least a portion which is formed in a curved shape having a predetermined curvature. At least a portion of the edge of the second filter unit is formed in a shape corresponding to the shape-corresponding portion, and when the filter module is mounted on the air purifier, the amount of air passing through the first filter unit per unit area is greater than the amount of air passing through the second filter unit per unit area.

Abstract: The present disclosure provides a method for preparing a Mn—Bi based resin magnet, which can provide a Mn—Bi based resin magnet with excellent magnetic properties by forming a polymer coating on the surface of a Mn—Bi based magnetic phase powder, and a Mn—Bi based resin magnet prepared therefrom.

Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.

Abstract: A battery pack includes a battery module having at least one battery cell, a control module connected to the battery module and configured to manage the battery module, a fire extinguishing tank containing a fire extinguishing agent and coupled to at least one of the battery module and the control module, and a side cover mounted on one side of the fire extinguishing tank and configured to guide electrical connection between the battery module and the control module.

Abstract: Provided is an apparatus for security of vehicle CAN communication including a security module unit included in each node of a vehicle CAN communication network and configured to monitor an identifier (ID) of each CAN message received through a CAN transceiver to determine whether the CAN message is a malicious CAN message to perform error processing, and a control unit configured to set an ID to be monitored by the security module unit and control the security module unit not to perform monitoring on the ID when the node transmits the CAN message.

Abstract: A battery pack ensures safety even when a thermal event occurs. A battery pack includes a battery module including one or more battery cells, a control module connected to the battery module to manage the battery module, and a fire extinguishing tank containing a fire extinguishing agent and coupled to at least one of the battery module and the control module.

Abstract: Methods for preparing a metal foam are provided. The methods may include forming a metal foam precursor using a slurry that includes metal powder, a dispersant, and a binder and sintering the metal foam precursor.

Abstract: An apparatus for manufacturing a light emitting display device includes a substrate transfer stage including a plurality of support plates arranged at an interval in a first direction, each of the plurality of support plates extending in a second direction; and at least one electric-field application module disposed on at least one side of the substrate transfer stage. The at least one electric-field application module includes a probe head including at least one probe pin; and a driver connected to the probe head to move the probe head at least up and down.