Abstract: A content container is provided according to one embodiment of the present invention. The content container includes: a container body accommodating content; a neck portion which is formed on the upper end of the container body and has an opening portion formed therein, the opening portion being in communication with the inside of the container body; and a discharge portion which is at least partially accommodated in the neck portion so as to seal the opening portion and has a nozzle portion for discharging the content, on the upper portion thereof. The discharge portion has at least one communication hole formed in the lower end thereof, for transferring the content in the container body to the nozzle portion. When the discharge portion is descended from a first position to a second position by the external force of a user, the communication hole is exposed to the inside of the container body so that the content in the container body can be transferred to the nozzle portion via the communication hole.

Abstract: Disclosed is a multi-band base station antenna using a selective shielding surface. The disclosed antenna comprises: a selective shielding surface which passes signals in a preset frequency band; a plurality of low-band radiators located on the selective shielding surface; a reflection plate disposed below the selective shielding surface and spaced apart from the selective shielding surface; and a plurality of high-band radiators coupled onto the reflection plate, wherein the selective shielding surface has a pass band configured to pass signals emitted from the high-band radiators and block signals emitted from the low-band radiators.

Abstract: A frame structure for a vehicle includes: an inner panel connected to a side member and defining an inner side of a rear part of the side member; an outer panel connected to a rear side of the side member and coupled to an outer side of the inner panel defining a closed cross-section together with the inner panel and defining an outer side of the rear part of the side member; an opening portion formed below the inner and outer panels partially opening the closed cross-section so that a front end of a rear suspension arm can be inserted into the opening portion; and a reinforcing member disposed in the opening portion defining the closed cross-section together with the outer panel and the inner panel and configured to close an internal space in the outer and inner panels.

Abstract: The present invention relates to a bus duct installed in a data center or the like to supply power to a data server or the like, and a bus duct system provided with the same, in which branch boxes for branching may be conveniently installed at necessary locations to supply power to power-consuming equipment, and the reliability of connection of the bus duct to the branch boxes for branching may be improved.

Abstract: The present disclosure relates to a machine learning-based resource allocation method and device in a wireless communication system. A method of performing resource allocation in a wireless communication system according to an embodiment of the present disclosure may include acquiring DNN output information through a deep neural network (DNN) based on input H corresponding to wireless channel-related information; acquiring resource allocation matrix X having a form of a permutation matrix through an approximation operation to a doubly stochastic matrix based on input A corresponding to the DNN output information; and allocating M resource elements belonging to a set of first type resources to N resource elements belonging to a set of second type resources based on the resource allocation matrix.

Abstract: A training method of a memory device adjusting an eye window of a data signal in response to a duty cycle adjuster (DCA) includes performing a first training operation that selects a first DCA code corresponding to a first internal clock signal having a phase difference of 180° relative to a reference internal clock signal, and performing a second training operation that selects a second DCA code and a third DCA code respectively corresponding to a second internal clock signal and a third internal clock signal having a phase difference of 90° and 270° relative to reference internal clock signal. In the first training operation, the eye window size of the data signal is measured in units of two unit intervals, and in the second training operation, the eye window size of the data signal is measured in units of one unit interval.

Abstract: The present invention relates to a thyristor having a vertical structure and a cross-point memory array including the same. The thyristor having a vertical structure according to one embodiment may include a semiconductor core with an insulating film formed on the outer peripheral surface thereof, and a plurality of metal layers formed on the insulating film. In the semiconductor core, at least one layer of a base layer and an emitter layer may be formed on a region corresponding to each of the metal layers based on the charge plasma phenomenon due to the difference in work function with the metal layers.

Abstract: The present invention relates to a transistor based on a compact drain and hetero-material structure. The transistor according to one embodiment includes substrates including a buried oxide (BOX) layer and active layers formed on the buried oxide layer; an insulating layer formed on the substrates; and electrode layers formed on the insulating layer and including a drain electrode, a gate electrode, and a source electrode. The active layers include a first semiconductor layer corresponding to a drain region, a second semiconductor layer corresponding to a channel region, and a third semiconductor layer corresponding to a source region. The first semiconductor layer is formed to be thinner than the second semiconductor layer, and the third semiconductor layer is formed of a material having a band gap lower than that of the second semiconductor layer.

Abstract: One embodiment of the present invention provides a breast implant comprising: a filler material comprising two or more types of silicone gel, having different cohesive strengths; and a silicone shell housing the filler material.

Abstract: A motor driving apparatus includes a motor an inverter driving the motor based on a switching signal, and a controller. The controller determines a current position estimated value of the motor by applying a zero-voltage vector pulse to the switching signal when entering the driving control of the motor, determines whether the motor is in a stop state according to an amount of change in the current position estimated value, and performs a pulse width modulation control by adjusting a duty ratio of the switching signal when the motor is determined to be in the stop state.

Abstract: A sensorless induction motor system and a control method thereof includes a motor including a stator including windings forming a plurality of phases and a rotor including a permanent magnet, and a controller configured to control operation of the motor by controlling a voltage applied to each phase of the stator, to set a stop waiting time predicted to be necessary for the rotor to stop when the motor is controlled to stop, to apply a pulse voltage to each phase of the stator a plurality of times after the stop waiting time, and to conclude that the rotor has stopped when a minimum deviation value of an induced current is equal to or greater than a reference value.

Abstract: Provided are a die pickup module and a die bonding apparatus including the same. The die pickup module includes a wafer stage for supporting a wafer including dies attached on a dicing tape, a die ejector arranged under the dicing tape and for separating a die to be picked up from the dicing tape, a non-contact picker for picking up the die in a non-contact manner so as not to contact a front surface of the die, a vertical driving unit for moving the non-contact picker in a vertical direction to pick up the die and an inverting driving unit for inverting the non-contact picker to invert a die picked up by the non-contact picker.

Abstract: Disclosed are an optical modulation device and a phase modulation method using the same. The optical modulation device includes a reflection plate, an insulating film over the reflection plate, dielectric patterns aligned on the insulating film in a first direction and extended in parallel in a second direction intersecting the first direction, and first and second graphene patterns provided between the dielectric patterns aligned in the first direction and arranged in an alternating fashion. The first and second graphene patterns are in direct contact with the insulating film and the dielectric patterns are in direct contact with the insulating film at locations between the first and second graphene patterns. A width of each of the first graphene patterns in the first direction is different from a width of each of the second graphene patterns in the first direction.

Abstract: A novel compound of Chemical Formula 1 and an organic light emitting device including the same: wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more heteroatoms selected from the group consisting of N, O and S; at least one of the Ar1 and Ar2 is an aryl with two or more substituted or unsubstituted benzene rings fused, R1 to R7 are each independently hydrogen or deuterium, and at least one of the Ar1 and Ar2 is substituted with deuterium or at least one of the R1 to R7 is deuterium. The compound of Chemical Formula 1 can be used as a material of an organic material layer in an organic light emitting device, and can improve the efficiency, achieve low driving voltage and/or improve lifetime characteristics in the organic light emitting device.

Abstract: A circuit board according to an embodiment includes an insulating layer; and a circuit pattern disposed on the insulating layer, wherein the circuit pattern includes a copper foil layer disposed on the insulating layer, a first plating layer disposed on the copper foil layer, and a second plating layer disposed on the first plating layer, and wherein the copper foil layer has a thickness in a range of 2 ?m to 5 ?m.

Abstract: Provided is a biodegradable film for cigarette packaging, the film including a first film layer applied such that one surface thereof faces a cigarette product, a third film layer applied such that one surface thereof is exposed to the outside, and a second film layer positioned between the first film layer and the third film layer. In the biodegradable film, the first film layer, the second film layer and the third film layer are each formed with different compositions, and at least one of the first film layer, the second film layer and the third film layer includes a biodegradable material. The biodegradable film has a biodegradation rate of 90% or more after 60 days, and has a heat shrink ratio of 4.0% or more.

Abstract: A damper for a vehicle seat includes a vibrating mass member assembly including a vibrating mass member and a fixing member protruding from a side of the vibrating mass member, a guide bush accommodating the fixing member therein, coupled to each of the both sides of the vibrating mass member, and guiding the vibrating mass member to move in all directions, and a mounting bracket having an insertion hole into which the guide bush is inserted and fixedly formed on the vehicle seat. The damper may include an additional fixing member protruding from another side of the vibrating mass member, such that the fixing member and the additional fixing member protrude from both sides of the vibrating mass member.

Abstract: A polarizing plate and a display device including the same are provided. A polarizing plate includes a polarizer comprising an absorption axis and a transmission axis that intersect each other, a first retardation layer disposed on a surface of the polarizer, and a second retardation layer disposed on another surface opposite to the surface of the polarizer. An in-plane retardation value of the second retardation layer is greater than about 20 nm and less than about 100 nm. An angle between the absorption axis of the polarizer and a retardation axis of the second retardation layer is in a range of about 10° to about 45°.

Abstract: A sensor apparatus according to an embodiment of the present disclosure includes a transducer defined as a detection signal transceiver that generates and receives a signal for detection; a main board electrically connected to the transducer and on which a control chip that interprets and processes signals transmitted from the transducer is mounted; a cover member accommodating the transducer; a case having one end connected to the cover member and accommodating a portion of the main board; a conductive shielding cylinder into which at least a portion of the main board is inserted through an opening at the upper end; and a bottom cushion placed at the lower end of the shielding cylinder, in which the bottom cushion includes a conductive layer that is in contact with the shielding cylinder and blocks noise from entering the shielding cylinder.

Abstract: The present disclosure provides methods and apparatuses for biomaterial detection sensors. In some embodiments, a biomaterial detection sensor includes a membrane including a plurality of wells. Each of the plurality of wells is configured to encapsulate a biomaterial contained in a sample solution. A surface of the membrane is selectively modified into at least one of a hydrophilic surface and a hydrophobic surface. In some embodiments, a method of manufacturing a biomaterial detection sensor includes depositing a first membrane and a second membrane on respective surfaces of a wafer, forming a window by etching the first membrane and the first surface of the wafer, forming a plurality of wells on the second membrane, modifying a surface of the second membrane into at least one of a hydrophilic surface and a hydrophobic surface; and transferring a two-dimensional graphene oxide material onto a bottom of each of the plurality of wells.