37 results about "Protection layer" patented technology

Provided are a silver nanowire conductive film coated with an oxidation protection layer and a method for fabricating the same. A silver nanowire conductive film coated with an oxidation protection layer includes: a substrate; silver nanowires disposed on the substrate; and an oxidation protection layer coated on the silver nanowires, wherein the oxidation protection layer comprises an oxide.

This invention discloses optical modules, and eyewear using them for performing viewing function(s) including viewing a shutter-based 3D display, viewing a polarization-based 3D display, emulating the Pulfrich effect, emulating a pair of pinhole glasses and emulating a pair of sunglasses. In one embodiment, an optical module comprises: a first liquid crystal layer between a first and a second transparent conductive layers; a transparent protective layer attached to the first transparent conductive layer; a third transparent conductive layer; a matrix-electrode layer, comprising an array of independently addressable electrode regions each being transparent and electrically conductive; a second liquid crystal layer between the matrix-electrode layer and the third transparent conductive layer; a first linear polarizer attached to the second transparent conductive layer and the matrix-electrode layer; and a second linear polarizer, having a polarization orientation orthogonal to the polarization orientation of the first linear polarizer, attached to the third transparent conductive layer.

In the method for manufacturing a capacitance sensor according to the present invention, after a protection layer is pattern-formed on the surface of a silicon substrate, a first metal layer is formed on the surface of a silicon substrate so as to be opposed to a protection layer non-formed area on which no protection layer is formed and to expose a part of the protection layer non-formed area. After that, a first insulation layer, a metal sacrificing layer, and a second insulation layer, and a second metal layer are formed on the first metal layer in this order. Then, the metal sacrificing layer is removed by supplying a metal etching solution on the metal sacrificing layer. Further, a part of the silicon substrate is removed by supplying a silicon etching solution to the silicon substrate from the portion, from which the metal sacrificing layer is removed, via the protection layer non-formed area exposed by the removal of the metal sacrificing layer.

The embodiment of the invention discloses a fingerprint processing device, which comprises a protection layer, an adhesive, a fingerprint collection chip, a collector, a bucking circuit 1, a PGA 1, a bucking circuit 2, a PGA 2, an ADC and a control chip, wherein the collector is used for amplifying and converting capacitance signals of a fingerprint capacitor Cf to reduce noise influences from a subsequent circuit; the bucking circuit 1 is used for carrying out secondary precise bucking on offset noise; the PGA 1 is used for amplifying output signals of the bucking circuit 1 and inputting the amplified signals to the bucking circuit 2, and the PGA 1 adopts high gains to reduce design requirements of the subsequent circuit; the bucking circuit 2 is used for carrying out secondary precise bucking on the offset noise; the PGA 2 is used for properly adjusting the signal amplitude; the ADC is used for outputting digital signals to the control chip; and the control chip is used for carrying out feedback control based on the digital signals. According to the embodiment of the invention, the resolution of signals of a valley and a ridge of a user finger is improved when the user fingerprint is collected, and the offset noise generated during the signal processing process is bucked.

The invention relates to an indoor-laying optical fiber and a manufacture method thereof. The optical fiber comprises a naked optical fiber, the periphery of the naked optical fiber is sequentially coated with a buffer layer and a transient layer, and the transient layer is wrapped with an external protection layer. The processing of the optical fiber is carried out on a same assembly from optical fiber pre-manufactured rod drawing, coating and extrusion molding to be formed in one step. The invention has the beneficial effects that: 1. the invention has simple structure, thin diameter, good bending performance, certain drawing-resistant capacity and flame-retardant water-proof performance, low cost and high cost performance; 2. the invention can be directly used for wiring the interior, ships and automobiles, and the wiring is continuous, convenient and room-saving; and 3. the whole optical fiber is formed from drawing in one step, thus enhancing working efficiency and lowering manufacture cost; and the processed optical fiber is good in quality and low in inner stress, can resist the influence of external force on the optical fiber during manufacturing and using, and avoid the damage and influence on the optical fiber caused by re-processing and heating on the optical fiber.

Glass fiber melting furnace discharge materials are adopted as raw materials for preparing ultra-thin flexible glass, so that the comprehensive utilization efficiency of the glass fiber melting furnace discharge materials is improved, waste of glass materials is reduced, and ultra-thin glass products with high utilization value can be produced. The regulator is regulated, so that the gaps of glassforming grooves are controllable, regulation can be performed according to heat shrinkage characteristics of the glass, the primary stretching and forming thickness of the glass can be regulated by matching a first leading-down roller and a second stretching roller, the width of the prepared glass is determined by a vertical edge roller, the vertical edge roller can also be used for fixing two sides of the downwards stretched glass, and shrinkage of the glass while downward stretching is reduced. After the stretched glass turns by a drum, the glass is changed from a vertical state to a horizontal state, and convenience is brought to production. The glass surface can be effectively protected by a glass fiber protection layer on the outer side of the drum, and the quality of the ultra-thinglass is improved. The equipment is simple in structure, reasonable in design, reasonable in design, low in modification degree, low in investment operating cost, obvious in production efficiency andbeneficial to popularization and application.

The invention discloses a metal reflector which comprises a closed substrate, a mirror surface arranged on the surface of one end of the substrate, an internal interlayer lightweight structure and a back plate arranged on the surface of the other end of the base body. The mirror surface comprises a surface modification layer, a reflecting layer and a protective layer, and the protective layer is the outermost layer; the interlayer lightweight structure comprises a plurality of cavities and through holes connected through the cavities. An additive manufacturing and processing technology is adopted, so that the interlayer light-weight structure in the metal reflector is more flexible, the metal reflector not only meets the high-rigidity design of the reflector, but also is light in weight due to the interlayer light-weight structure; the integrated design is adopted; the design of the surface modification layer enables the precision to be defined as that the RMS value of the deviation value between the precision and an ideal surface is superior to 1/10 lambda, wherein lambda is equal to 632.8 nm; the design of the transition layer enhances the chemical and mechanical durability of the metal reflector, and improves the bonding strength between the metal reflector substrate and the surface modification layer.

The invention relates to the technical field of marine polyurethane thermal insulation balance weight pipes, and discloses a hard polyurethane spraying prefabricated thermal insulation balance weight pipe with an anti-corrosion layer and a preparation method of the hard polyurethane spraying prefabricated thermal insulation balance weight pipe. The hard polyurethane spraying prefabricated thermal insulation balance weight pipe structurally comprises a steel pipe, the anti-corrosion layer, a polyurethane foam thermal insulation layer, an interface adhesive layer, a polyolefin protection layer, anti-skid particles, a concrete balance weight layer and a reinforcement steel wire mesh in sequence from inside to outside. A waterproof sealing rubber strip is bonded to the end of the anti-corrosion layer. The preparation method comprises the steps that the steel pipe coated with the anti-corrosion layer is conveyed to a polyurethane foam spraying line for spraying construction; the waterproof sealing rubber strip is bonded; an adhesive is wound, polyolefin is extruded, and the anti-skid particles are scattered; the pipe end of the polyolefin protection layer is finished after cooling; and weight balancing, finishing and maintaining of the thermal insulation pipe are carried out. The conditions of holes and uneven density cannot be generated, a pipe end waterproof cap does not need to be additionally mounted, and consistency of the pipe end and a main coating can be kept; and the shearing strength between the polyurethane foam thermal insulation layer and the polyolefin protection layer and the shearing strength between the polyolefin protection layer and the concrete balance weight layer are increased.

The invention provides a printed circuit board element for forming an enhancement mode biosensing module and a fabrication method for the printed circuit board element. The printed circuit board element comprises a printed circuit board, a biosensing chip and a protection layer, wherein the printed circuit board comprises an insulating layer and a conductive layer; the conductive layer forms a working circuit, an excitation circuit, multiple first connecting point welding pads and multiple second connecting point welding pads on a part of the upper surface of the insulating layer, wherein the second connecting point welding pads are connected to the excitation circuit; the biosensing chip is assembled on the printed circuit board; the biosensing chip comprises a sensing region, an excitation signal source, multiple combination welding pads and multiple conductive elements; each combination welding pad is electrically connected to the corresponding first connecting point welding pad; the excitation signal source is connected to the excitation circuit through the combination welding pads and used for providing an excitation signal; each conductive element is assembled on the corresponding second connecting point welding pad; and the protection layer is formed on and covers the printed circuit board, the biosensing chip and the conductive elements. According to the printed circuit board element, cracking of the protection layer can be avoided by virtue of the light and thin dimensions of the conductive elements.

A semiconductor component forming method includes providing a semiconductor substrate with the surface provided with a gate electrode structure; forming a mask layer covering the semiconductor substrate and the gate electrode structure; forming a photoresist protection layer on the surface of the mask layer by the deposition process; forming a graphical photoresist layer on the surface of the photoresist protection layer; adopting the graphical photoresist layer as a mask, etching the photoresist protection layer and the mask layer, and forming a graphical photoresist protection layer and a graphical mask layer; adopting the graphical photoresist protection layer and the graphical mask layer as masks, etching a certain thickness of the semiconductor substrate adjacent to the gate electrode structure, and forming grooves; removing the graphical photoresist layer; removing the graphical photoresist protection layer; forming stress layers fulfilling the grooves by epitaxy technique. The selectivity of the epitaxy technique is improved, the growth of stress layer material on an unexpected region is avoided, and the electrical properties of the semiconductor component are improved.

The invention provides a construction method of a long steel bar stool cast-in-situ floor, and belongs to the technical field of building construction. The method includes the steps of selecting steel bars, machining and manufacturing long steel bar stools, installing a formwork and beam slab steel bars, installing the steel bar stools, binding negative steel bars, casting floor concrete, carrying out overflow-surface leveling on the floor concrete, shearing off steel wires to take out the steel bar stools, repairing the concrete surface, cleaning the steel bar stools and the like. According to the method, the strength and rigidity of the steel bar stools are utilized for controlling deformation and sinking, caused by construction external force, of the negative steel bars, and thus the thickness deviation of negative steel bar protection layers of the floor is controlled; meanwhile, the height of the steel bar stools is utilized for controlling the thickness of the floor and the levelness of the floor concrete surface; the steel bar stools can be recycled, and construction is easier and more convenient.

The invention discloses a direct-current cable, which comprises a core material, wherein the core material is formed by twisting an aluminum-based alloy wire and an iron-based alloy wire; a filler coats the outside of the core material; a damp-proof layer is arranged outside the filler; a lightweight woven mesh coats the outside of the damp-proof layer; and an external protection layer is arranged outside the lightweight woven mesh. The damp-proof layer can improve the waterproof property and the damp-proof property of a product and can ensure the service lifetime of the material; and the protection layer can effectively play a protecting role; and the raw materials are simple and easy to obtain.

The invention relates to a shouldered oil-free lining. The shouldered oil-free lining is provided with a lining body, wherein a shaft shoulder is arranged at one end of the lining body; a plurality of round holes are formed in the lining body; a protection layer is sprayed on the surface of the lining body. The shouldered oil-free lining has a simple structure and is convenient to use; the friction coefficient is reduced and the shouldered oil-free lining is convenient to detach and machine; the time is saved and manpower and material resources are saved; the working efficiency is improved, the cost is reduced and the service life is prolonged.

The invention discloses an anti-blocking pipeline cover for home life. The anti-blocking pipeline cover comprises a pipeline cover main body, wherein an outer protection layer is arranged outside thepipeline cover main body; an inner side protection layer is connected inside the outer protection layer; an inside through hole is formed inside the inner side protection layer; outer big-size suctiondiscs are arranged at the bottom of the outer protection layer; an inner small-size suction disc is connected under the inner side protection layer. In the use process of the anti-blocking pipeline cover for home life, water can be fast discharged; the condition of pipeline blockage by hair or sundries in water since a user opens the pipeline cover in order to realize the fast water flowing can be avoided; meanwhile, the pipeline cover can be dismounted; in addition, a uniformly distributed circular arc-shaped structure is arranged outside the outer protection layer; the outer big-size suction discs are uniformly distributed inside the outer protection layer; in addition, the outer big-size suction discs are in pairwise symmetrical distribution by using the longitudinal center line and transverse center line of the pipeline cover main body; the pipeline cover main body can fix the outer protection layer through the outer big-size suction discs.

The invention discloses a heat-insulating structure at the top of an open-air atmospheric storage tank, which comprises a tank top cap (1) and has the structural characteristics that hook nails (2) and a heat-insulating layer (3) are arranged on the tank top cap (1), a wire mesh (4) is arranged outside the heat-insulating layer (3), and a plastering protection layer (5) is arranged on the surfaces of the heat-insulating layer (3) and the wire mesh (4). One hook nail (2) is arranged per square meter, and each hook nail (2) is made of a galvanized wire of which the diameter is phi4mm; each hook nail (2) is exposed for 5cm-6cm on the surface of the heat-insulating layer (3); the wire mesh (4) is a galvanized wire mesh, and the wire diameter is phi1.6mm; and the wire mesh (4) is in a hexagonal or slipknot rhombic structure. The invention enables the plastering protection layer to not only keep the original advantages but also well overcome the original defects to enhance the bearing strength of the plastering protection layer, thereby preventing the plastering protection layer from being torn and leaking water due to frequent stress and overlarge deformation, and achieving the effects of durable protection, safety and stability.

The invention belongs to the field of steel material pipeline anti-corrosion engineering, and particularly relates to a pipeline opening repair conduction protection anticorrosion material and a preparation method thereof. The pipeline opening repair conduction protection anticorrosion material provided by the invention sequentially comprises a graphene modified epoxy resin primer layer, a graphene-polyethylene heat contraction belt and a graphene photocuring protection layer from inside to outside. Through the addition of modified graphene, a conductive lattice structure is formed in three-layer material layers, so that the conductivity of the material layers generates the order of magnitude change; therefore the shielding effect on the cathode protection current is reduced; on the otherhand, through the addition of the graphene, the wear resistance performance and the toughness increase performance of the paint can also be obviously improved.

The invention discloses a PMMA/PC-based high-performance polaroid, which consists of a base film, and a protective layer, a haze adjusting layer, a light-transmitting electrode layer and a functional layer which are sequentially stacked on one side of the base film, the base film is prepared from the following raw materials in parts by weight: 100-120 parts of PMMA (Polymethyl Methacrylate) resin, 80-100 parts of PC (Polycarbonate) resin, 5-10 parts of glass fiber, 10-20 parts of PVC (Polyvinyl Chloride) resin, 0.5-0.8 part of a toughening agent, 0.1-0.3 part of a dispersing agent and 0.1-0.3 part of a flatting agent. The PMMA and PC materials are selected to replace TAC materials, the production cost of the polaroid is greatly reduced, and the round polaroid which is high in performance, capable of being reeled to reeled, full in manufacturing process and wide in viewing angle is obtained from the aspects of design, regulation and control of a polaroid base film raw material formula.

The present invention relates to a nitride-based electronic device and a method for manufacturing same, the nitride-based electronic device comprising a substrate, a metal electrode and a plurality of protection layers, wherein, among the protection layers, at least two protection layers covering one portion of the electrode so that one portion of the upper part of the electrode is exposed are configured so that the upper protection layer covers the end part of the lower protection layer so as to prevent the end part of the lower protection layer from being exposed.

Methods for forming semiconductor fins include forming a protective layer around a base of a hardmask fin on an underlying semiconductor layer. A portion of the hardmask fin is etched away with an etch that is selective to the protective layer. A semiconductor fin is etched from the semiconductor layer using the etched hardmask fin as a mask.