Abstract: A power divider and an electronic device are provided. The power divider includes: a main port having an input characteristic admittance; a first output port having a first characteristic admittance; a second output port having a second characteristic admittance, where the second and the first characteristic admittances have a predetermined ratio relationship; a first adjustment branch coupled between the main port and the first output port; and a second adjustment branch coupled between the main port and the second output port. The input characteristic admittance is a sum of admittances presented by the first and second adjustment branches at the main port. The admittance presented by the first adjustment branch at the main port and the admittance presented by the second adjustment branch at the main port are adjustable and the input characteristic admittance is enabled to be equal to a sum of the first and the second characteristic admittances.

Abstract: A directional antenna and a communication device are provided in this disclosure. The directional antenna includes a first element, a second element and a first reflector. An operating frequency band of the first element is a first frequency band, and an operating frequency band of the second element is a second frequency band. An equivalent electrical length of the first reflector is equal to or slightly greater than one half of the wavelength of the first frequency band. The first reflector includes a first resonant circuit, the first resonant circuit includes a first capacitive part and a first inductive part that are connected in parallel. A resonance frequency of the first resonant circuit is within the second frequency band, and an equivalent electrical length of any part other than the first resonant circuit in the first reflector is less than one half of the wavelength of the second frequency band.

Abstract: A polybutylene adipate terephthalate resin composition, and a method for preparing the same. The polybutylene adipate terephthalate resin composition includes a polybutylene adipate terephthalate resin, a chain extender, and a gel reducer. The polybutylene adipate terephthalate resin composition suppresses gel formation during the preparation process, and exhibits excellent mechanical properties and external appearance.

Abstract: A battery module includes a plurality of battery cells, a first bracket disposed to top surfaces of the plurality of the battery cells, a second bracket disposed to bottom surfaces of the plurality of the battery cells, a plurality of first connecting plates disposed to a top surface of the first bracket, a plurality of second connecting plates and two third connecting plates. Each first connecting plate has a plurality of first slits. The plurality of the second connecting plates are disposed to a bottom surface of the second bracket. Each second connecting plate has a plurality of second slits. The two third connecting plates are disposed to two opposite sides of the first bracket. Each third connecting plate has a plurality of third slits.

Abstract: A zone heater assembly of a reflow solder tool includes a gas deflector having a single-layer structure. The single-layer structure may include one or more gas-permeating patterns through which a process gas is to flow from one or more gas outlets to a gas exhaust of the zone heater assembly. The one or more gas-permeating patterns in the single-layer structure promote uniformity of gas flow through the gas exhaust and into a heating zone of the reflow solder tool. The uniformity of the gas flow of the process gas enables convection heat provided by the process gas to be uniformly distributed across the heating zone. In this way, the gas deflector described herein may decrease hot spots and/or cold spots in the heating zone, which enables greater flexibility in placement of semiconductor package substrates on a conveyor device of the reflow solder tool.

Abstract: The present disclosure provides a system for signal optimization adjustment based on different heat source information. The system includes a plurality of heat source measurers, a first system chip, a second system chip, an electrical interconnection, and a bit error risk evaluator. The first system chip includes a signal transmitter, and the second system chip includes a signal receiver. The second system chip provides an electrical characteristic state of the signal receiver, and a signal adjustment information of the signal transmitter and/or the signal receiver. The bit error risk evaluator performs a signal optimization adjustment for an electrical characteristic of the signal receiver according to the electrical characteristic state. The present disclosure further provides a method for signal optimization adjustment.

Abstract: A silica sol, a silica aerogel blanket using the same, and a method for manufacturing the same, wherein a hydrophobizing agent, a base catalyst, an organic solvent, and water are included in a catalyst composition when manufacturing the silica aerogel blanket, so that a wet aging step which is performed under high-temperature conditions and increases the amount of a solvent used, surface modification step which uses a large amount of an organic solvent and an expensive surface modifier, resulting in a process that is complex and long and thus inhibiting economic feasibility and productivity, can be omitted.

Abstract: A heat pump system having a common refrigerant flow path split coupled to heating mode first and second refrigerant streams. In the common refrigerant flow path, a compressor is coupled to receive refrigerant from the heating mode first refrigerant stream and the heating mode second refrigerant stream. A refrigerant-to-refrigerant heat exchanger couples heat between the heating mode first refrigerant stream and the heating mode second refrigerant stream. A first refrigerant-air heat exchanger and a second refrigerant-air heat exchanger in a second air flow conduit is coupled to receive a first air flow from a first refrigerant-air heat exchanger in a first air flow conduit.

Abstract: Methods of forming and a semiconductor devices where the channel region includes a germanium-comprising layer; and a crystalline silicon layer on the germanium-comprising layer. A gate structure over a first surface and a second surface, the second surface opposing the first surface. In some implementations, the crystalline silicon layer can mitigate damage during processing.

Abstract: An epoxy-based adhesive composition and methods for manufacturing the same are provided. The adhesive composition provides excellent adhesive strength and impact strength uniformly over a wide temperature range. In addition, the adhesive composition of the present application may have a level of viscosity capable of ensuring excellent processability.

Abstract: An epoxy-based adhesive composition and methods for manufacturing the same are provided. The adhesive composition provides excellent adhesive strength and impact strength uniformly over a wide temperature range.

Abstract: A system and method for audio processing using artificial intelligence during a voice interaction is configured to improve early identification of disease and case management of a diagnosed member in a healthcare system. Audio data is generated from a voice call between customer service representative (CSR) of the healthcare system and then processed by one or more of a speech-to-text recognition model, a topic detection model, a speaker recognition model, a tone model, an intent identifier, and a sentiment identifier. Then the output of the audio processing is used to detect a condition and automatically perform an action.

Abstract: The present application relates to an epoxy-based adhesive composition, which may include (a) one or more epoxy resins, (b) a urethane resin having a weight average molecular weight (Mw) of 30,000 or less, and having a polytetrahydrofuran unit, (c) a core-shell rubber in the form of secondary particles in which two or more core-shell rubbers in the form of primary particles are aggregated and (d) one or more epoxy curing agents. The adhesive composition of the present application can provide excellent adhesion strength, peel strength and impact-resistant strength uniformly over a wide temperature range.

Abstract: An antenna apparatus includes a substrate, antenna elements on the substrate, and surface wave filtering structures on the substrate. Each surface wave filtering structure is operable to decouple surface wave coupling between adjacent antenna elements of the antenna elements.

Abstract: The present invention provides an aerogel blanket including a blanket base, aerogel coupled on the surface of the blanket base, and aerogel located at a space between the blanket bases, the aerogel coupled on the surface of the blanket base is 50 wt % based on the total weight of aerogel, wherein the aerogel blanket has the number of aerogel particles separated from the aerogel blanket ranging from 13,600 to 90,000 per ft3, when vibrating the aerogel blanket at a frequency of 1 Hz to 30 Hz for 2 hours to 10 hours.

Abstract: Provided are a diaphragm for a high water pressure waterproof microspeaker and a high pressure waterproof microspeaker including the same. The diaphragm for a high pressure waterproof microspeaker, which is provided in a microspeaker to reproduce sound, includes a center diaphragm and a side diaphragm, includes a center diaphragm attachment portion having a ring shape with a perforated center overall and attached to an outer periphery of the center diaphragm, a frame attachment portion attached to a frame, and a dome portion located between the center diaphragm attachment portion and the frame attachment portion and protruding upwardly or downwardly. The center diaphragm attachment portion of the side diaphragm includes an upper attachment portion attached to an upper surface of the center diaphragm and a lower attachment portion attached to a lower surface of the center diaphragm.

Abstract: A frequency tripler circuit includes an amplifier to receive a balanced input signal at an input frequency and outputs a balanced signal at a second harmonic of the input frequency. The frequency tripler circuit includes a passive double balanced mixer coupled to an output of the amplifier to receive the balanced signal at the second harmonic and the balanced input signal to generate an output balanced signal having a frequency triple the input frequency.

Abstract: A positioning method and apparatus for positioning a terminal by using various data combinations are disclosed. The present disclosure in at least one embodiment provides a positioning terminal by using data combinations, including a data collection unit for collecting n access point (AP) scan data items from each of n APs (n is a natural number), a combination generation unit for generating a plurality of data combinations by combining the n AP scan data items in units of k (k is integers from 3 up to n), a position estimation unit for estimating a plurality of preliminary positions of the terminal from the plurality of data combinations, a clustering unit configured to cluster the plurality of preliminary positions into at least one cluster according to distances or densities of the plurality of preliminary positions, and a position determination unit for determining a final position of the terminal based on at least one cluster.

Abstract: A method and system for producing an adjustable resistor with a set resistance for adjusting quiescent current in a GaN transistor in a power amplifier. A quiescent current on the GaN power amplifier is measured via a test probe from a microcontroller unit on a test fixture. A resistance value is determined for output of a voltage bias value to adjust the quiescent current of the GaN transistor in the power amplifier. The resistance value is stored in an electronically adjustable resistor. The adjustable resistor is coupled to an output voltage circuit to provide voltage at the voltage vias value to a voltage bias input of the power amplifier.

Abstract: An epoxy-based adhesive composition and methods for manufacturing the same are provided. The adhesive composition provides excellent adhesion strength, peel strength and impact-resistant strength uniformly over a wide temperature range.