16 results about "Barrier layer" patented technology

The present invention relates to a slurry composition for copper barrier layer polishing for chemical mechanical planarizing (CMP) of tantalum nitride or tantalum as an anti-diffusion film in the presence of an interconnect structure material in an integrated circuit device. The slurry composition according to the present invention contains abrasive particles, a heterocyclic compound, an organic acid, a surface protecting agent, a nitride, a pH adjuster, and a balance of deionized water, and exhibits the effect of providing an excellent slurry composition having a large polishing selectivity and few dishing and defect numbers.

Embodiments herein provide a method for forming an interconnect structure, comprising: depositing a barrier layer over one or more surfaces of a feature formed in a surface of a substrate, wherein the barrier layer comprises manganese, and the one or more surfaces of the feature comprise one or more sidewall surfaces and a bottom surface; depositing a liner layer over the barrier layer, wherein the liner layer comprises ruthenium; and filling the feature with an interconnect material, wherein filling the feature comprises depositing the interconnect material on the deposited liner layer.

This application provides a device for blocking sudden soil volatile organic compound (VOC) pollution, belonging to the field of soil treatment technology. It includes a first side filter pipe, a second side filter pipe, a first barrier layer, and a second barrier layer. The first barrier layer has a structure of non-woven geotextile-film-non-woven geotextile, and the second barrier layer is composed of non-woven geotextile-filler layer-non-woven geotextile-filler layer-non-woven geotextile. The first barrier layer is located above the first and second side filter pipes, and the second barrier layer is located below them. At least one of the first and second barrier layers is connected to the first and second side filter pipes, forming an uncovered cavity between them. Air vents are provided on the filter pipes corresponding to the cavity. This invention addresses sudden soil VOC pollution events, achieving in-situ blocking and preventing the escape of VOCs.

The application provides a barrier construction for underground pollution vapor control and a preparation method thereof. The barrier construction comprises a cushion layer, an adsorption layer and a barrier layer arranged in sequence from bottom to top. The barrier construction for underground pollution vapor control and the preparation method thereof have good barrier sealing performance, high durability and stability, and can effectively prevent harmful gases such as volatile organic compounds from escaping.

Methods and systems are provided for monitoring a tracer within a monitored system that includes at least three barrier layers and at least three corresponding tracers. The barrier layers—referred to as a first, second, and third barrier layer—may each have an initial association with a different one of the three tracers. The methods and systems may further enable detection, such as after the monitoring step, of a tracer at a location outside its initial associated barrier layer, where the detected tracer may be one of the three tracers. In certain embodiments, additional barrier layers and / or additional tracers may be employed, and interactions between and / or among them may allow determination of the location, concentration, amount, and identity of one or more traced compositions, including, for example, identification of breaches, within sealable monitored systems.

The application discloses a multifunctional anticorrosion coating for marine harsh corrosive environment and a preparation process thereof. The anticorrosion coating adopts a three-layer composite structure of "adhesive layer-barrier layer-surface functional layer", and is composed of an adhesive layer material, a barrier film, a surface functional layer material and a carrier. The adhesive layer takes acrylic resin as a core, and adds components such as surface modified titanium dioxide and isocyanate curing agent to form an adhesive system with high adhesion and corrosion resistance; the barrier layer is a plasma modified polyvinylidene fluoride barrier film; and the surface functional layer takes fluorocarbon modified emulsion as a matrix, and is compounded with nano cuprous oxide, functional ceramic powder and anti-aging additives to provide anti-pollution, anti-corrosion and anti-ultraviolet functions. The application solves the technical limitations of single protection function and complex process in the prior art. The anticorrosion coating is suitable for marine harsh environments with high salt fog, high humidity and strong ultraviolet, and provides a long-acting anticorrosion solution with simple process and comprehensive performance for offshore wind power and other infrastructures.

An electro-optical device is disclosed comprising a layer of electro-optical material, a barrier layer adjacent the layer of electro-optical material, and an adhesive layer comprising a dopant, where the layer of electro-optical material, the barrier layer, and the adhesive layer are disposed between two electrode layers. The barrier layer prevents or reduces diffusion of dopants and other materials from one layer to another of the electro-optical device, prevents degradation of components of the device, and achieves good electro-optical performance.

This invention belongs to the field of brine evaporators and discloses a Janus trapezoidal solar interface evaporator with high salt-forming resistance. The evaporator includes a hydrophobic barrier layer and a hydrophilic evaporation layer. The hydrophilic evaporation layer includes a trapezoidal evaporation surface located above the hydrophobic barrier layer and water-absorbing bands integrally formed on both sides of the trapezoidal evaporation surface, wherein the two sides are the upper and lower bottom sides of the trapezoidal evaporation surface. The Janus trapezoidal solar interface evaporator also includes a hydrophobic fixing layer, which floats on the brine surface and fixes the hydrophobic barrier layer. This evaporator has a simple manufacturing method, improves evaporation efficiency, and solves the problem of salt formation in the evaporation of high-concentration brine in traditional evaporators, making it widely applicable to seawater desalination.

The utility model discloses a kind of reinforced oil-resistant and hydrolysis-resistant marine engineering instrument control cable, it is related to cable technical field, including two groups of insulation barrier layer, the inside of insulation barrier layer is provided with multiple groups of cable core, the outside of insulation barrier layer is provided with double-layer insulation, the outside of double-layer insulation is provided with filling layer;The utility model is combined by the outer sheath, braided armor layer, wrapping layer, reinforcing core, insulation layer two, insulation layer one, filling layer, insulation barrier layer, cable core, inner protective layer designed, by material characteristic complementation and structure level protection, the deficiency of traditional marine cable in oil-resistant and hydrolysis-resistant, mechanical strength, insulation reliability etc. is systematically solved, especially suitable for extreme environment of deep sea high pressure, high corrosion, high mechanical stress, provide long-term guarantee for the stable transmission of marine engineering instrument control signal.

The application discloses a kind of in-situ remediation system and method for bedrock fissure contaminated site, well pipe is sequentially connected with sedimentation pipe, screen pipe and pipe head from bottom to top, and the pipe head is connected with well head;The lower end of the sedimentation pipe is closed, and the outside thereof is sealed with high-temperature cement between the well wall;The outside of the screen pipe is filled with quartz sand packing between the well wall, the outside of the pipe head is sealed with high-temperature cement between the well wall, and a barrier layer is provided on the ground surface of the multifunctional well;The injection position of the multifunctional well is determined according to the bedrock fissure detection device, the screen pipe is divided into an injection functional area corresponding to the injection position by filling the sealing material, and the injection functional area is provided with an extraction / injection pipeline corresponding to the remediation equipment connected at the well head.The application realizes the test of underground connectivity and fissure range of bedrock fissure contaminated site, and can realize injection and extraction function after modification, avoids tedious operation steps such as re-piping and re-well building, improves the remediation efficiency and accuracy, and saves economic cost.

The application discloses a kind of FDSOI LDMOS and its manufacturing method, the FDSOI LDMOS, comprising: deep N well is formed in SOI;N well is formed in deep N well;P well is formed in the SOI of both sides of deep N well;SiGe channel is formed on N well upper portion;Trench is formed in P well;First N type uplift region and first P type uplift region are formed in the both sides of trench above P well;Second N type uplift region is formed above N well;Second P type uplift region is formed above N well, located in the both sides of second N type uplift region;Metal gate is formed in the both sides of second N type uplift region and partially located above N well with first N type uplift region adjacent;Refractory silicide barrier layer is formed on N well between metal gate and second P type uplift region, and is formed on N well between second N type uplift region and second P type uplift region.The application can improve the breakdown voltage of LDMOS and reduce the on-resistance simultaneously without increasing new process flow, new material or new mask plate.

The present application relates to the technical field of saline soil improvement and monitoring, and specifically discloses a method for detecting and analyzing the effect of salt leaching of a coastal severe saline soil salt-blocking layer, which comprises: an intelligent sensing system deployed based on a research area, a distributed soil conductivity sensing array in the intelligent sensing system being used to obtain the spatial distribution of soil conductivity above the salt-blocking layer, an initial background field of salt leaching effect being constructed, and a potential failure area being located; an improved normalized difference water index and salt index spatial fusion algorithm being combined, image features of preferential flow paths being located by image recognition, and a failure area of the salt-blocking layer, i.e., a locally damaged or unevenly laid area, being determined; and high-density conductivity data above the salt-blocking layer being obtained by the distributed soil conductivity sensing array, an initial background field of salt leaching effect being constructed in combination with spatial interpolation and abnormal threshold extraction, and an abnormally high conductivity area being accurately identified, so that the defect that a traditional overall sampling cannot locate a local failure area is overcome, and a clear spatial direction is provided for repair.