Abstract: A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.

Abstract: A hydrogel for cell-laden bioprinting, bioink, and a preparation method and an application thereof, relates to the technical field of biomedical polymer hydrogels. The hydrogel for cell-laden bioprinting is polymer gel formed by adding a cell-specific material into a matrix of alginate and gelatin and crosslinking and curing, wherein the cell-specific material is polypeptide selected according to different laden cells. The structures printed using the hydrogel may have the advantages such as adjustable mechanical properties, adjustable porosity, high biocompatibility, high printing accuracy, and high customizability, which may widely support the printing of human tissues and organs such as spinal cord, cartilage, and heart, and has good prospects for applications in tissue repair, organ transplantation and so on.

Abstract: The present invention provides a high-crystallinity barium titanate film structure, a method of preparation and an application thereof, and relates to the field of materials and devices. The method includes the steps of depositing, on a substrate, a barium titanate layer with a (001) or (111) crystal orientation by atomic layer deposition in a high vacuum environment and at a low temperature of 450° C. or below, wherein a Ba/Ti ratio in the barium titanate layer is 0.9-1.5; and performing plasma annealing treatment on the barium titanate layer at a low temperature of 450° C. or below without breaking vacuum to form a high-crystallinity barium titanate layer having the (001) or (111) crystal orientation. The film structure may further comprise top and bottom electrodes formed above and below the barium titanate layer. The present invention solves the problem that an existing method for obtaining a crystalline BTO film is not applicable to back-end of line (BEOL) integration processes.

Abstract: An LED tube lamp includes a first and second members and a connection member. Each of the first and second members includes lighting part and an end part. Each lighting part includes LED light strip. The connection member includes electrical connection portions and joining portions for the first and second members. The connection member connects the first member with the second member by the joining portions and the electrical connection portions and makes the first member substantially coaxial to the second member.

Abstract: An alumina-based ceramic tool material with low thermal expansion and a preparation process thereof, accordingly, the ceramic tool material may have both the high hardness of alumina ceramics after the hot pressing sintering, and reduces the thermal expansion coefficient of the overall ceramic material by adding the Sc2W3O12 as the negative thermal expansion phase, which improves the thermal shock resistance of ceramic tools in high-speed cutting engineering and meets the requirements of large temperature range during the machining of nickel-based superalloys. Moreover, the composite material does not use metal binder and has strong thermal stability even in the high-speed machining under extreme heat-force-chemistry coupling, so it has a high machining compatibility for nickel-based superalloys.

Abstract: A stretchable display module and a control method and a detection method thereof are provided. The stretchable display module includes a display panel, a magnetic field generator and a feedback regulation unit. The display panel includes a stretchable closed loop circuit. The magnetic field generator generates a normal phase magnetic field. The feedback regulation unit acquires an induced electromotive force, generated by the stretchable closed loop circuit in the magnetic field, in real time in a stretching process of the stretchable display module, and regulates a stretch state of the stretchable display module according to a magnitude of the induced electromotive force.

Abstract: An exposure machine and an exposure method are provided in some embodiments of the present disclosure. The exposure machine includes: a detection module, configured to detect whether there are attachments on the surface of a reticle; a cleaning device, configured to clean the attachments on the surface of the reticle; and an exposure module, configured to expose the reticle having no attachments detected.

Abstract: A composite hydrogel for light-cured 3D cell-laden printing and a preparation method and application thereof. The composite hydrogel of the present disclosure combines advantages of gelatin methacryloyl, sodium carboxymethylcellulose, hyaluronic acid-glutamic acid polymer, and the like. The provided composite hydrogel for 3D printing has the characteristics of low toxicity, good biocompatibility and adjustable mechanical properties, can provide cells with a three-dimensional living environment, promotes cell adhesion and migration on gradient scaffolds, and is suitable for tissue engineering scaffolds and cell-laden printing of tissues. The printing process of a scaffold is simple and can be completed within a short time, and the porosity and mechanical properties of the 3D printed hydrogel scaffold can be adjusted by adjusting the proportion of HA-Glu and Col in the hydrogel system.

Abstract: A monocrystalline silicon micro-nano dual-scale anti-reflection texture and a preparation method therefor. The preparation method combines nanosecond-laser-assisted waterjet near-damage-free processing and femtosecond laser scanning, and subsurface damage caused by a re-cast layer phenomenon and a hot crack in a monocrystalline silicon laser texturing process can be effectively reduced by combining a nanosecond-laser-assisted waterjet near-damage-free processing technology and an ultra-short pulse femtosecond laser cold processing technology; and meanwhile, a micro-scale frame structure and a nano-scale structure can be flexibly modified respectively by adjusting nanosecond-laser-assisted waterjet technological parameters and femtosecond laser technological parameters, a geometry light trapping effect and an effective dielectric effect can be achieved in a micro-nano dual-scale hybrid structure at the same time, and surface reflection is reduced.

Abstract: A crack self-healing functionally gradient material for ceramic cutting tools and a preparation method thereof. The material for ceramic cutting tools has a symmetrical gradient structure, and based on the percentage by mass, components of each layer include 50%-80% of Ti(C7,N3), 25%-5% of (W7,Ti3)C and 20%-0% of TiSi2; contents of components of layers that are symmetrical relative to a central layer are the same and a thickness is symmetrically distributed; a content of Ti(C7,N3) gradually increases from the surface layer to the central layer, contents of (W7,Ti3)C and Ti Si2 gradually decrease by 5% from the surface layer to the central layer, and the contents of Ni and Mo gradually increase from the surface layer to the central layer.

Abstract: A vascular structure-containing large-scale biological tissue and a construction method thereof. In the existing three-dimensional cell culture, it is contradictory for the elastic modulus of the scaffold material in ensuring structural stability and biocompatibility, and the vascular structure is required to provide channels for nutrient exchange when a large-scale structure is prepared. A cell-laden matrix material is poured into a hollow scaffold serving as a supporting scaffold. The overall stability of the scaffold structure can be ensured by regulating the mechanical properties of the supporting scaffold, thereby resolving the contradiction in ensuring structural stability and biocompatibility for the mechanical properties of the scaffold material in the conventional three-dimensional cell culture. A coaxially printing outer material contains a thermosensitive material.

Abstract: A single-crystal ?-Ga2O3 MSM detector and a preparation method thereof, comprising: machining grooves on a single-crystal ?-Ga2O3 substrate using a laser-assisted waterjet machining technique to form a 3D shape; wet etching the machined single-crystal ?-Ga2O3 substrate using an HF solution to remove machining damage; performing Au evaporation on a surface of the single-crystal ?-Ga2O3 substrate after processing, coating an Au thin film on the surface of the single-crystal ?-Ga2O3 substrate; and grinding the surface of the single-crystal ?-Ga2O3 substrate after evaporation to remove the Au thin film on an undressed surface and retain the Au thin film in the grooves, and then obtaining the single-crystal ?-Ga2O3 MSM detector.

Abstract: Embodiments herein describe techniques for a semiconductor device including a package substrate. The package substrate includes a via pad at least partially in a core layer. A first dielectric layer having a first dielectric material is above the via pad and the core layer, where the first dielectric layer has a first through hole that is through the first dielectric layer to reach the via pad. A second dielectric layer having a second dielectric material is at least partially filling the first through hole, where the second dielectric layer has a second through hole that is through the second dielectric layer to reach the via pad. A via is further within the second through hole of the second dielectric layer, surrounded by the second dielectric material, and in contact with the via pad. Other embodiments may be described and/or claimed.

Abstract: The present invention relates to the field of new materials technology, in particular to carbon nitride composite ceramic tool materials, preparation method and cutting tools thereof. The raw materials comprise carbon nitride, titanium carbonitride, molybdenum, nickel and cobalt, carbon nitride as the matrix phase, titanium carbonitride as the reinforcing phase are added to the carbon nitride based composite ceramic materials, with molybdenum, nickel and cobalt as a suitable sintering aid, dense composite tool material is obtained with vacuum hot press sintering method. The prepared carbon nitride based composite ceramic tool materials boast the advantages of low cost, high hardness, high bending strength and high fracture toughness, which is an important way to promote the innovation, development and popularization of carbon nitride materials.

Abstract: A magnetic sensor includes a piezomagnetic component which includes a first piezomagnetic element and a second piezomagnetic element that are arranged opposite to each other, a magnetostrictive component which includes a first magnetostrictive element and a second magnetostrictive element arranged opposite to each other on the same side of the first piezomagnetic element and the second piezomagnetic element, respectively, and a piezoelectric component which includes a first piezoelectric element deposited underneath the first piezomagnetic element, a second piezoelectric element deposited underneath the second piezomagnetic element, a third piezoelectric element deposited underneath the first magnetostrictive element, and a fourth piezoelectric element deposited underneath the second magnetostrictive element.

Abstract: An exposure machine and an exposure method are provided in some embodiments of the present disclosure. The exposure machine includes: a detection module, configured to detect whether there are attachments on the surface of a reticle: a cleaning device, configured to clean the attachments on the surface of the reticle; and an exposure module, configured to expose the reticle having no attachments detected.

Abstract: A milling machine fly-cutter with adjustable cutting-tool geometric angle and milling machine includes a fly-cutter plate body, a plurality of combination grooves are evenly set in the circumferential direction of the fly-cutter plate body, and adjusting assemblies are mounted in the combination grooves. Wherein, the adjusting assemblies include an adjusting block for rake angle and relief angle, an adjusting block for tool cutting edge angle and minor cutting edge angle, an adjusting block for tool cutting edge inclination angle. A first side of the adjusting block is attached with a cutter handle, and a second side is connected with the adjusting block for rake angle and relief angle by the adjusting block for tool cutting edge angle and minor cutting edge angle. The milling machine fly-cutter realizes adjustment of the geometric angles of cutting tool, and is able to adapt to cutter handles of a variety of different specifications.

Abstract: An electronic device for optically detecting an appearance of a product for defects includes a first camera device, a second camera device, at least one white light source, and at least one red light source. The first camera device is perpendicular to a plane of the product to be detected. When the red light source is activated, the first camera device captures images of edges of the plane of the product, when the white light source is activated, the second camera device captures images of the plane of the product. The electronic device detects the appearance of the plane of the product for defects according to the images captured by the first and second camera devices, the defects can include stair slope errors, scratches, sanding marks, and gas marks.

Abstract: A thermal insulation bag, having a bag body for accommodating goods and an upper cover for covering the bag body, wherein the bag body comprises an inner container having side walls and a bottom wall, and a first inner TPU fabric layer and a second outer TPU fabric layer that cover the outer sides of the side walls and the bottom wall of the inner container, and the upper cover comprises an upper cover body, and a first inner TPU fabric layer and a second outer TPU fabric layer that cover at least a part of the outer side of the upper cover body; wherein a vacuum insulation panel VIP is disposed between the first inner TPU fabric layer and the second outer TPU fabric layer for the side walls of the inner container and/or the bottom wall of the inner container and/or the upper cover body, and a protective layer for the vacuum insulation panel is disposed between the vacuum insulation panel and the second outer TPU fabric layer.