Abstract: A memory device includes a bottom electrode, a magnetic tunnel junction (MTJ) stack, a top electrode, and a sidewall spacer. The MTJ stack is over the bottom electrode. The top electrode is over the MTJ stack. The sidewall spacer laterally surrounds the MTJ stack and the top electrode. The sidewall spacer has an outermost sidewall laterally set back from an outermost sidewall of the bottom electrode.

Abstract: The present application discloses a battery and a related device, preparation method, and preparation apparatus thereof. The battery includes: a plurality of battery cells, at least one battery cell of the plurality of battery cells including a pressure relief mechanism, and the pressure relief mechanism being configured, when an internal pressure of the at least one battery cell reaches a threshold, to be actuated to release the internal pressure; and a bus component configured to electrically connect the plurality of battery cells, wherein the pressure relief mechanism and the bus component are respectively arranged on different sides of the at least one battery cell, such that emissions from the at least one battery cell are discharged in a direction away from the bus component when the pressure relief mechanism is actuated.

Abstract: A display device is provided. The display device includes a display panel. The display panel includes a substrate, a light-shielding layer, and a plurality of optical sensors. The light-shielding layer has a plurality of first aperture regions, a plurality of second aperture regions, and a plurality of third aperture regions. The second aperture regions are located between the first aperture regions and the third aperture regions. At least a portion of at least one of the optical sensors overlaps with at least one of the first aperture regions in a normal direction of the substrate. An area of at least one of the second aperture regions is greater than an area of at least one of the first aperture regions, and the area of the at least one of the second aperture regions is smaller than an area of at least one of the third aperture regions.

Abstract: A display device includes a first display area, a second display area, a first multiplexer, and a second multiplexer. The first display area includes a plurality of first data lines. The second display area is adjacent to the first display area and includes a plurality of second data lines. The first multiplexer is electrically connected to one of the first data lines. The second multiplexer is electrically connected to one of the second data lines. The first data line is electrically connected to a first number of sub-pixels. The second data line is electrically connected to a second number of sub-pixels. The first number is less than the second number. The size of the first multiplexer is smaller than that of the second multiplexer.

Abstract: A three-dimensional heat dissipating device includes a vapor chamber, a heat pipe, a working fluid and a solder bonding portion. The vapor chamber includes an inner cavity and a first joint. The first joint is formed with a passage being in communication with the inner cavity. The heat pipe is provided with a pipe space and a second joint. The pipe space is in communication with the inner cavity through the passage. The second joint is sleeved to surround the first joint such that one end surface of the second joint is directly contacted with one surface of the vapor chamber. The working fluid is filled within the pipe space and the inner cavity. The solder bonding portion connected to the second joint and the surface of the vapor chamber for integrating the heat pipe and the vapor chamber together.

Abstract: A three-dimensional heat dissipating device includes a vapor chamber, a heat pipe and a working fluid. The vapor chamber includes an inner cavity, a first capillary structure disposed within the inner cavity, and a first joint connected with the inner cavity. The heat pipe includes a pipe body, a second capillary structure, and a second joint disposed at the pipe body and connected to the first joint, such that a pipe space of the pipe body is in communication with the inner cavity. The second capillary structure includes a first section and a second section. The first section is fixedly disposed within a pipe space and connected to the second section. The second section is curvedly extended from one end of the first section, and connected to the first capillary structure. The working fluid is filled within the pipe space and the inner cavity.

Abstract: The present application relates to an electronic vaporizer device, an electronic vaporizer device body, and an operation method. An electronic vaporizer device body, configured to be used in combination with an electronic vaporizer, wherein the electronic vaporizer device body comprises: a power supply, configured to supply power; an airflow sensor; and a main control circuit, configured to activate the airflow sensor after detecting first level information; wherein the first level information is generated when the electronic vaporizer device body being in combination with the electronic vaporizer.

Abstract: A transfer support adapted to contact a plurality of elements is provided. The transfer support has a first surface, a second surface opposite to the first surface, a recess located on the second surface, a plurality of platforms protruded from the first surface, a plurality of supporting pillars distributed in the recess and a plurality of through holes. The platforms have carry surfaces adapted to contact the plurality of elements. The through holes extend from the carry surfaces of the platforms to the recess, and two of the adjacent supporting pillars are spaced apart from each other to form an air passage. In addition, a transfer module is also provided.

Abstract: A system and a method for evaluating atomization efficiency of a wind-driven atomizer. The system for evaluating atomization efficiency of a wind-driven atomizer comprises a detection platform, a wind tunnel mechanism and a traction measurement mechanism are arranged above the detection platform, the traction measurement mechanism is disposed beside the wind outlet end of the wind tunnel mechanism, an atomizer mechanism and an atomization measurement mechanism are sequentially disposed on the detection platform along the direction of a wind field provided by the wind tunnel mechanism, and the atomizer mechanism is connected with the traction measurement mechanism. The system and the method may effectively evaluate the atomization efficiency and provide quantitative evaluation indicators for the detection of working performance of the wind-driven atomizer, and has the advantages of convenient operation, accurate detection, precise measurement results, and high reliability of evaluation indicators.

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: The present application discloses a battery and a related apparatus, production method, production device therefor. A battery includes a plurality of battery cells, a cover body and an insulating part. The plurality of battery cells are configured to be electrically connected to each other through a bus component; a cover body includes an accommodation space configured to install the bus component; and the insulating part is attached to the cover body and provided to cover at least the bus component. According to the present application, a bus component configured to electrically connect a plurality of battery cells in a battery is embedded on a cover body. This arrangement makes the structure of the battery more compact, and since the bus component is not sealed in a case, part of the structure of a battery management unit may be arranged outside the case of the battery.

Abstract: The present application provides a thermal runaway detection method and a battery management system, which can effectively detect occurrence of thermal runaway of a battery. The method includes: acquiring at least one parameter of a cooling medium of a battery, the battery including a heat conducting apparatus, and the cooling medium being contained in the heat conducting apparatus; and determining, when the at least one parameter satisfies a preset condition, that thermal runaway occurs in the battery.

Abstract: Embodiments of the present application provide a battery, a power consumption device, a method and device for preparing a battery. The battery includes: a battery cell including a pressure relief mechanism, the pressure relief mechanism being disposed at a first wall of the battery cell; and a thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell; where a first surface of the thermal management component is attached to the first wall of the battery cell, the thermal management component is configured to be capable of being damaged by emissions discharged from the battery cell when the pressure relief mechanism is actuated, such that the emissions pass through the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, the pressure relief mechanism being arranged in a first wall of the battery cell and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; and a thermal management component for containing a fluid to adjust the temperature of the battery cell; wherein a first surface of the thermal management component is attached to the first wall, and the thermal management component is configured to be capable of being damaged when the pressure relief mechanism is actuated, so that the fluid is discharged from inside of the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: The present application discloses a battery including a battery cell, a thermal management component, an avoidance chamber and a collection chamber. The battery cell includes a pressure relief mechanism; the thermal management component is configured to adjust a temperature of the battery cell; the avoidance chamber is configured to provide a space allowing the pressure relief mechanism to be actuated; and the collection chamber is configured to collect emissions from the battery cell when the pressure relief mechanism is actuated. The thermal management component is configured such that emissions are capable of passing through the thermal management component when the pressure relief mechanism is actuated, and then entering the collection chamber through the avoidance chamber. Therefore, the pressure relief mechanism may not need to be provided on a side of an electrode terminal of the battery cell and emissions relieved by the pressure relief mechanism may be collected.

Abstract: Embodiments of the present application provide a battery. The battery includes: a battery cell comprising a pressure relief mechanism, at least a portion of the pressure relief mechanism protruding outward from a first wall of the battery cell, and the pressure relief mechanism being configured, when an internal pressure or temperature of the battery cell reaches a threshold, to be actuated to release the internal pressure; a thermal management component for containing a fluid to adjust a temperature of the battery cell; wherein a first surface of thermal management component is attached to the first wall of the battery cell, the first surface of thermal management component is provided with an avoidance chamber, and the avoidance chamber is configured to accommodate the at least portion of the pressure relief mechanism. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: A crossover circuit, disposed within a sound producing device including a first sound producing cell driven by a first driving signal and a second sound producing cell driven by a second driving signal, includes a first filter receiving an input signal at an input terminal of the first filter, a first subtraction circuit, and a second filter coupled between the output terminal of the first filter and the second input terminal of the first subtraction circuit. A first input terminal of the first subtraction circuit is coupled to the input terminal of the first filter; a second input terminal of the first subtraction circuit is coupled to an output terminal of the first filter. The crossover circuit produces the first driving signal and the second driving signal according to a first output signal of the first subtraction circuit and a second output signal of the first filter respectively.

Abstract: A vapor chamber is provided, which includes: a substrate; a diversion layer disposed on the substrate and having first openings and second openings; and at least one liquid passage formed between the substrate and the diversion layer, where the vapor chamber is defined with an evaporation area corresponding to a heat source and at least one condensation area, and the size of the first openings corresponding to the evaporation area and the condensation area is different from the size of the second openings corresponding to a non-evaporation area and a non-condensation area.

Abstract: A multi-port power delivery system includes a first universal serial bus (USB) port, a second USB port, a first power conversion unit, a second power conversion unit, a power delivery control circuit and a switch circuit. The first USB port is configured to output power delivered to a first power path. The second USB port is configured to output power delivered to a second power path. The first power conversion unit has a first output terminal coupled to the first power path. The second power conversion unit has a second output terminal coupled to the second power path. The power delivery control circuit generates a switch control signal according to first connection information on the first USB port and second connection information on the second USB port. The switch circuit selectively couples the first output terminal to the second output terminal according to the switch control signal.

Abstract: A silicone adhesive comprises a polysiloxane with a hydroxyl group and/or a hydrolyzable group bonded with a silicon atom, a catalyst, a cross-linking agent, and a filler, wherein the filler comprises at least one rubber filler. The silicone adhesive not only reduces costs, but also maintains the original performance of the adhesive, reduces the hardness, and improves the moisture and heat aging resistance of the adhesive.