Abstract: A pixel package includes a base material, a circuit structure, light-emitting semiconductor elements, a non-light-emitting semiconductor element, and a light-transmitting adhesive layer. The base material has an upper surface, a lower surface, and a side surface. The circuit structure is buried in the base material and includes an first circuit layer exposed from the upper surface, bottom electrodes exposed from the lower surface, and a middle circuit layer between the upper circuit layer and the plurality of bottom electrodes and covered by the base material. The light-emitting semiconductor elements are on the upper surface and electrically connected to the circuit structure. The non-light-emitting semiconductor element is buried in the base material and directly connected to the middle circuit layer, and at least one outside surface is exposed. The light-transmitting adhesive layer covers the light-emitting semiconductor elements and is in direct contact with the base material.

Abstract: A waveguide grating antenna apparatus includes a substrate layer, a lower waveguide array layer upon the substrate, and an upper waveguide array layer positioned above the lower waveguide array layer. The lower waveguide array layer is composed of a plurality of first waveguides extending axially and a plurality of second waveguides extending axially and arranged in parallel and alternating in position with the plurality of first waveguides across the lower waveguide array layer. Each first waveguide is of a first maximum width. Each second waveguide is of a second maximum width narrower than the first maximum width and is spaced apart from each adjacent first waveguide. The upper waveguide array layer is composed of adjacent, separated elements extending axially along each first waveguide and each second waveguide.

Abstract: A light box structure includes a bracket and a board. The bracket is in an arc shape and has a first surface and a second surface opposite to each other. The board has a plurality of magnetic positioning posts. The magnetic positioning posts have at least two different heights. The board is attracted and attached on the first surface of the bracket through the magnetic positioning posts.

Abstract: A cooling package for an integrated circuit, including: package substrate of the integrated circuit having a first package surface, an enclosure and a thermal conductive material filling a gap between the substrate and a circuit die locatable therein and filling a gap between interior sidewalls of the enclosure and sidewall surfaces of the circuit die couplable to the first package surface. A method including: mounting an enclosure to the first package surface, the enclosure surrounding a location on the first package surface the circuit die is couplable thereto and the circuit die is locatable therein, and, filling the enclosure with the thermal conductive material such that the gaps are filled with the thermal conductive material. An integrated circuit cooling package including the substrate, first and second enclosures and first and second thermal conductive materials is also disclosed.

Abstract: The present invention provides a surgical implant material for assisted repair of muscle mechanics and a method of preparing the same. The surgical implant material for assisted repair of muscle mechanics comprises a collagen compound within a net-like bacterial cellulose base material. A bacterial cellulose base material is placed into solution of collagen, treated via vortex shaking, dried at room temperature; and then immersed in an aqueous solution of an aldehyde compound under vacuum to react for 10 to 30 minutes, thereby producing the surgical implant material for assisted repair of muscle mechanics. The surgical implant material of the present invention can effectively improve the biocompability, and maintain the flexibility, smoothness and fitness of the base material to reduce the damage to surrounding tissues, thereby reducing the bleeding and inflammatory response.

Abstract: Superhydrophobic electrothermal epoxy composites, their preparation and a self-healing method are disclosed. 1,4,5-oxadithiepane-2,7-dione and methylhexahydrophthalic anhydride were mixed and cured with epoxides to get self-healable epoxy resins; carbon nanotube/self-healable epoxy resin prepolymers were coated on self-healable epoxy resins and cured to get electrothermal epoxy composites; modified superhydrophobic copper powders were adhered on electrothermal epoxy composites and cured to get a kind of superhydrophobic electrothermal epoxy composites. The thermal resistance of superhydrophobic electrothermal epoxy composites is superior to existed technical solutions and they can simultaneously repair cracking and delamination and the healed samples still exhibit excellent superhydrophobicity.

Abstract: Nitrogen-doped carbon-based catalyst sheets, methods for producing such carbon-based catalyst sheets, and their use as electrocatalysts in oxygen reduction reaction (ORR). A carbon-based catalyst comprising: carbon-based sheets, wherein the carbon-based sheets comprise nitrogen and a transition metal, and wherein the carbon-based sheets further comprise a plurality of micropores, mesopores, macropores, or combinations thereof.

Abstract: A wear-resistant super-hydrophobic composite material and a preparation method therefor are disclosed. The wear-resistant super-hydrophobic composite material includes a substrate and a wear-resistant super-hydrophobic composite material coating layer on the surface of the substrate; the wear-resistant super-hydrophobic composite material coating layer is obtained by curing a precursor for the super-hydrophobic composite material coating layer; the precursor for the super-hydrophobic composite material coating layer includes a gel and an ACNTB-SiO2-coupling agent layer on the surface of the gel; the gel includes an epoxy resin and amino-terminated hyperbranched polysiloxane, or includes an epoxy resin, amino-terminated hyperbranched polysiloxane and an additive; and the additive is an ACNTB-SiO2-coupling agent and/or diglycidyl-ether-terminated polydimethylsiloxane. The wear-resistant super-hydrophobic composite material has a water contact angle higher than 160° and more than 250 rubbing cycles.

Abstract: Disclosed in the present invention are a precursor for a super-hydrophobic composite material coating and a preparation method therefor. The preparation method includes the following steps: coating an ACNTB-SiO2 coupling agent suspension, in parts by weight, on the surface of a gel body of a mixture of the ACNTB-SiO2 coupling agent, an epoxy resin, a diglycidyl-ether-terminated polydimethylsiloxane, and an amino-terminal hyperbranched polysiloxane, and volatilizing a solvent, so as to obtain the precursor for the super-hydrophobic composite coating; and then performing curing, so as to obtain the durable super-hydrophobic composite coating. The durable super-hydrophobic composite coating has the characteristics of simple operations, durability and good hydrophobicity; and the prepared coating has excellent mechanical properties and wear resistance.

Abstract: A biomass benzoxazine-based shape memory resin, a preparation method therefor, and an application thereof. The method includes: using biomass furfuryl amine, vanillic aldehyde, and paraformaldehyde as raw materials; obtaining an aldehyde group-containing biomass benzoxazine monomer by means of a heating reaction; mixing the aldehyde group-containing biomass benzoxazine monomer with polyether amine, and obtaining a Schiff base biomass benzoxazine monomer by means of a coupling reaction; and curing the Schiff base biomass benzoxazine monomer to obtain the biomass benzoxazine resin having a shape memory function.

Abstract: A mobile device includes a system circuit board, a metal frame, one or more other antenna elements, a display device, a first feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame at least includes a first portion and a second portion. The metal frame at least has a first cut point positioned between the first portion and the second portion. The metal frame further has a second cut point for separating the other antenna elements from the first portion. The first cut point is arranged to be close to a middle region of the display device. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion.

Abstract: A waveguide grating antenna apparatus includes a substrate layer, an asymmetric waveguide array layer upon the substrate layer, and a waveguide grating array layer formed above the asymmetric waveguide array layer. The waveguide array layer is composed of two forms of waveguide structures arranged in parallel. Each waveguide of the first form extends continuously, has a first width, and is laterally separated from each adjacent waveguide of the first form by a gap distance. Each waveguide of the second form extends parallel to and between adjacent waveguides of the first form within the first gap distance and is narrower than each of the first width and the gap distance. Pairs of the second form are closer to lateral sides of a first alternating set of the first form. The waveguide grating is composed of adjacent, separated elements extending axially along each waveguide of the first form.

Abstract: A pixel package includes an electrode structure, a plurality of light-emitting units arranged on the electrode structure, and a light transmitting layer. The electrode structure has an upper layer with a first upper sheet, a lower layer with a first lower sheet, and a supporting layer arranged between the upper layer and the lower layer. The electrode structure and the plurality of light-emitting units are fully embedded in the light transmitting layer. In a top view of the pixel package, the first upper sheet is overlapped with and larger than the first lower sheet.

Abstract: The present invention discloses a vessel collision avoiding system and method based on Artificial Potential Field algorithm, the method comprises the following steps: (S1) obtaining a vessel information, at least one obstacle information and a target information; (S2) establishing an Artificial Potential Field (APF) by the vessel information, the at least one obstacle information and the target information, wherein the Artificial Potential Field comprises an attractive field of the target and a repulsive field of the obstacle; (S3) combining the attractive field and the repulsive field to obtain a first resultant force; (S4) Adding an external force to the Artificial Potential Field based on the vessel information or the obstacle information; (S5) combining the first resultant force and the external force to obtain a second resultant force; and (S6) the vessel sails in the direction of the second resultant force to avoid the obstacle.

Abstract: A device and a method for determining a microvibration effect on a millisecond-level space optical sensor are provided. The device includes: a light source, a star simulator, an air flotation vibration isolation platform, a suspension system/air flotation system, a zero stiffness system, a supporting system, a six-degree-of-freedom microvibration simulator, a signal driving apparatus, and a data acquisition and processing system. In the device for determining a microvibration effect on a space pointing measurement apparatus, a free boundary condition and a zero gravity environment are simulated by using a suspension system and a zero stiffness system. A light source and a star simulator simulate a star at infinity. A six-degree-of-freedom microvibration simulator simulates an on-orbit microvibration mechanical environment which is used as an input of a test. Extremely high-precision sensors collect system response data.

Abstract: A mobile device includes a system circuit board, a metal frame, a first feeding element, an RF (Radio Frequency) module, and one or more other antenna elements. The system circuit board includes a system ground plane. The metal frame includes a first portion and a second portion. The metal frame has a first cut point positioned between the first portion and the second portion. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion. The second portion is excited by the first antenna structure using a coupling mechanism. The RF module is electrically coupled to the first feeding element. The metal frame further has a second cut point for separating the other antenna elements from the first antenna structure.

Abstract: A polymer composition includes: (a) a propylene-based polymer having a melt mass-flow rate of ?5.0 and ?90.0 g/10 min; and (b) ?5.0 and ?30.0 wt %, with regard to the total weight of the polymer composition, of an ethylene-based polymer having: a melt mass-flow rate of 3.0 and ?30.0 g/10 min; a density of ?840 and ?870 kg/m3; and a content of ?25.0 and ?50.0 wt % of moieties derived from 1-octene, with regard to the total weight of the ethylene-based polymer. Such polymer composition demonstrates improved low temperature impact strength, determined as Izod impact strength at ?40° C. and/or at ?30° C., as well as desirable toughness, determined as tensile modulus, whilst having good flowability in injection moulding and thereby allowing complex, thin-walled objects to be shaped.

Abstract: An integrated circuit including a multiplier-accumulator execution pipeline including a plurality of multiplier-accumulator circuits to, in operation, perform multiply and accumulate operations, wherein each multiplier-accumulator circuit includes: (i) a multiplier to multiply first input data, having a first floating point data format, by a filter weight data, having the first floating point data format, and generate and output a product data having a second floating point data format, and (ii) an accumulator, coupled to the multiplier of the associated MAC circuit, to add second input data and the product data output by the associated multiplier to generate sum data. The plurality of multiplier-accumulator circuits of the multiplier-accumulator execution pipeline may be connected in series and, in operation, perform a plurality of concatenated multiply and accumulate operations.

Abstract: The present invention relates to an epoxy resin system having a phase separation structure, a preparation method therefor and an application thereof. After mixing an epoxy resin, an amine curing agent and an epoxy diluent, pre-polymerization is carried out to obtain a prepolymer 1; or, after mixing an epoxy resin and an amine curing agent, pre-polymerization is carried out to obtain a prepolymer 1; after mixing an epoxy resin, an anhydride curing agent and an accelerator, polymerization is carried out to obtain a prepolymer 2; and after the prepolymer 1 and the prepolymer 2 are mixed, curing is carried out to obtain an epoxy resin system having a phase separation structure. The present invention controls the formation of a thermosetting epoxy resin system having a phase separation structure by means of preparing different epoxy resin pre-polymerization systems and using an interface reaction between the different pre-polymerization systems.

Abstract: Embodiments of the present disclosure provide a method, device, and computer program product for error evaluation. A method for error evaluation comprises in accordance with a determination that an error occurs in a data protection system, obtaining context information related to an operation of the data protection system; determining, based on the context information and using a trained deep learning model, a type of the error in the data protection system from a plurality of predetermined types, the deep learning model being trained based on training context information and a label on a ground-truth type of an error associated with the training context information; and providing the determined type of the error in the data protection system. In this way, it is possible to achieve automatic classification of errors in the data protection system, thereby improving the efficiency in error classification and saving the operation costs.