36results about How to "There will be no failure problems" patented technology

The invention discloses a flexible substrate manufacturing method which comprises the following steps: 1) providing a hard substrate; coating the hard substrate with PI solution, and heating the hard substrate for a PI substrate film; 2) forming a first water resisting layer on the PI substrate film; 3) coating the first water resisting layer with PI solution and heating the first water resisting layer for a PI buffer film; 4) repeatedly conducting the step 2 and step 3 for at least one more time; and 5) forming a second water resisting layer on the PI buffer film for a flexible substrate. The invention further discloses an OLED device manufacturing method and the applications thereof. According to the invention, PI films and inorganic waterproof layers are alternately designed to form a water resisting layer and then further to form a bendable flexible substrate wherein the PI films serve as both base material films and buffer layer films. With a good winding performance, a good waterproof ability and easy to make, the flexible substrate can be produced in batches.

The invention relates to a chemical etching agent for displaying the metallurgical structure of INVAR steel and soldered joints thereof and a preparation method thereof. One part of the chemical etching agent comprises the following components: 3-10g of chromium trioxide CrO3, 30-100ml of hydrochloric acid HCL (analytically pure) and 30-100ml of water H2O. The method comprises the following steps: (1) weighing required raw materials based on the prescription of each part of etching agent; and (2) firstly adding the chromium trioxide to water, stirring until the chromium trioxide is completely dissolved to form a mixed solution, then slowly adding the analytically pure hydrochloric acid to the mixed solution, and uniformly stirring to obtain the required chemical etching agent. The chemical etching agent for displaying the metallurgical structure of the INVAR steel and the soldered joints thereof has the advantages of good etching effect, high etching speed and high efficiency, can be stored for long, and has extremely high popularization and application value for the metallographic examination of the INVAR steel and the soldered joints thereof.

The invention provides a video monitoring-laser bird repelling integrated device and method based on edge computing. The device comprises a monitoring camera, an intelligent control unit, a laser emission device, a power supply system and a base, the intelligent control unit is connected with the monitoring camera and the power supply system, the monitoring camera, the intelligent control unit, the laser emission device and the power supply system are fixed onto the base, the base is fixed onto a transformer substation or a transmission tower, and the intelligent control unit is used for receiving monitoring pictures acquired by the monitoring camera in real time, identifying bird action behaviors, deeply learning according to the bird action behaviors to improve a bird repelling algorithmand controlling the laser emission device to emit bird repelling lasers according to the bird repelling algorithm. The device solves the problems of ineffective motion, high energy consumption and error identification of an existing laser bird repelling device, and safety operation problems of a power grid caused by bird activities can be effectively decreased when a power distribution network issafely monitored.

The invention provides an optical coupler which comprises a first support, a second support, a luminous chip, a sensitive chip, an adjustable voltage stabilization chip and a multilayer packaging body. The first support is arranged opposite to the second support. The luminous chip is arranged on the first support and emits light. The sensitive chip is arranged on the second support and faces the luminous chip. The multilayer packaging body comprises a first light-transmitting packaging adhesive, a second light-transmitting packaging adhesive and a third lightproof packaging adhesive. The first light-transmitting packaging adhesive covers the luminous chip. The second light-transmitting packaging adhesive covers the sensitive chip and the first light-transmitting packaging adhesive. The third lightproof packaging adhesive covers the second light-transmitting packaging adhesive. The adjustable voltage stabilization chip is arranged on the first support and is electrically connected with the luminous chip. The second light-transmitting packaging adhesive covers the adjustable voltage stabilization chip. By using the optical coupler, a high pressure failure problem caused by colloid delamination is overcome; an adjustable voltage stabilizer does not need to be added; an assembly process is simple and overall occupancy space is small.

The invention provides a cyclone separation device. The cyclone separation device comprises a cup body, a main air inlet is formed in the cup body, a dust filter cup is arranged in the cup body, a first dust collection chamber is formed in space between the outer wall of the dust filter cup and the inner wall of the cup body, a first-stage cyclone separator is formed between the dust filter cup and the cup body, an airflow inlet is formed in the dust filter cup, an annular external member is arranged inside the airflow inlet, an airflow channel is formed in the space between the inner wall ofthe dust filter cup and the outer wall of the annular external member, a second-stage cyclone separator is arranged in the annular external member, and is provided with an air inlet and an air outlet,a third-stage cyclone separator communicating with the second-stage cyclone separator is arranged above the second-stage cyclone separator, and comprises a main air inlet cylinder and multiple cyclone separation cylinders in the circumferential direction of the main air inlet cylinder, a second dust collection chamber is formed between the annular external member and the first-stage cyclone separator, and a guide-in channel connecting with the cyclone separation cylinders is formed in the second-stage cyclone separator. The problems that in the prior art, a separator is prone to failing, andthe separation effect is poor are solved.

The invention provides an LDMOS transistor and a preparation method thereof, and the preparation method comprises the following steps: providing a semiconductor substrate, and forming a bottom oxide layer and an intermediate oxide layer; etching the intermediate oxide layer; forming a top oxide layer on the intermediate oxide layer; executing an ion implantation process, and forming a drift regionand a body region in the semiconductor substrate; removing the bottom oxide layer and the top oxide layer, forming a supplementary oxide layer above the body region, and forming a bottom oxide layerand a top oxide layer on the semiconductor substrate at the junction of the drift region and the body region and in the vicinity of the junction; and etching the bottom oxide layer, the middle oxide layer, the top oxide layer and the supplementary oxide layer to form the field oxide plate. According to the invention, the bottom oxide layer and the intermediate oxide layer at the junction of the body region and the drift region and in the vicinity of the junction are thicker, so that the overall thickness of the field oxide plate is increased, and when the structure is used, although the electric field at the junction is maximum, the problem of hot carrier injection failure does not occur in the reliability evaluation process.

The invention relates to the technical field of high polymer materials, in particular to a tackifying additive and application thereof in woodworking glue. The tackifying additive is formed by copolymerization of binary acid, dihydric alcohol and an end-capping reagent, the glass transition temperature of the tackifying additive ranges from 35 DEG C to 55 DEG C, and the molecular weight of the tackifying additive ranges from 3000g/mol to 7000g/mol; the binary acid is composed of aromatic binary acid and aliphatic binary acid; the dihydric alcohol is composed of straight-chain micromolecular dihydric alcohol, alicyclic dihydric alcohol and aromatic dihydric alcohol; and the molar ratio of the binary acid to the dihydric alcohol is 1.1-1.3: 1, and the molar ratio of the end-capping reagent to the binary acid is 0.06-0.2: 1. The tackifying additive is prepared by taking long-chain binary acid, dihydric alcohol and the end-capping reagent as raw materials and reacting under the catalysis of an inorganic acid ester and 4-dimethylaminopyridine composite catalyst. The tackifying additive is added into an adhesive system, so that dissolution of colloidal particles is not affected, the initial adhesion of the colloidal particles is improved, the color of the adhesive is not affected, and the effective storage period of the adhesive can be prolonged due to the fact that the tackifying additive does not have a reaction group in the process of being matched with a curing agent for use.

The invention discloses a sensing device and an electronic cigarette. The sensing device is used for detecting internal airflow of an airflow channel and comprises a micro-electro-mechanical structure, wherein the micro-electro-mechanical structure comprises a vibrating membrane and a back plate; the back plate is opposite to the vibrating membrane to form a capacitor; the back plate is provided with at least one through hole; a gap is formed between the back plate and the vibrating membrane; a first surface of the vibrating membrane communicates with the inside of the airflow channel; a second surface of the vibrating membrane communicates with the outside atmosphere through the gap; the vibrating membrane prevents the inside of the airflow channel from communicating with the gap and deforms under the action of air pressure difference between the first surface and the second surface; and capacitance change of the capacitor at least represents the flow speed of air in the airflow channel.

The invention relates to the technical field of smart cars and discloses an automotive glass safe blasting breaking device. The automotive glass safe blasting breaking device comprises a sealing shell. An impacting rod is arranged at the top end of the sealing shell. The outer surface of the impacting rod is movably sleeved with the inner portion of the top end of the sealing shell. By the adoption of the automotive glass safe blasting breaking device, through arrangement of a linkage mechanism of a start connecting rod, a connecting rod II, a connecting rod I and a movable connecting rod, anair bag I and two air bags II are sequentially broken, an inner cavity of the sealing shell is filled with natural gas which is then ignited, and therefore generated violent impact force drives a sealing mat and the impacting rod to impact and break automobile window glass. Compared with an existing safety hammer, the automotive glass safe blasting breaking device is simple in operating step and high in response speed, a passenger can quickly break the automobile window glass, meanwhile, the whole structure is simple and high in stability, a failure problem cannot happen under the condition that the device is assembled for a long time in the severe environment, and therefore if only a press board is pressed by a person, the automotive glass safe blasting breaking device can be triggered quickly and break the automobile window glass under any circumstance.

The invention discloses a multi-chamber-based circuit lightning protection device. The device comprises an installation tool and a multi-chamber arc-extinguishing lightning protection body connected with the bottom of an insulator of a protected circuit; one end of a penetrated clip electrode is connected to the protected circuit; a series main gap is disposed between the other end of the penetrated clip electrode and the multi-chamber arc-extinguishing lightning protection body; an overvoltage produced by lightning strike generates a large electric arc between the conductor and the line and is discharged by two adjacent small electric arc chambers; the high-voltage gas generated during the electric arc release process blows the small electric arc into the air, thereby extinguishing the electric arc. The maximum arc extinguishing time is less than 10MS, the operating voltage is high, and the lightning discharge capability is strong; and meanwhile when the lightning directly strikes onthe circuit, the circuit does not burst due to excessive lightning current. The device is simple in structure, does not need to be grounded and has self-cleaning performance, so the installation is simple and the maintenance is not needed, and the construction and installation cost and long-term operation and maintenance cost of the power supply company can be greatly reduced.

The invention relates to a method for intelligently segmenting film characters of a soft pharmaceutical bag. The method comprises the following steps: collecting a film character image of a soft pharmaceutical bag; calculating the width of a single character and rough values of character heights; segmenting characters according with a feature vector by using a mode matching method; comparing whether the number of segmented characters is equal to that of practical characters or not, if not, correcting the character widths and the character heights in d), reducing the character widths if the number of the obtained characters is less than that of the practical characters in the product batch number, and otherwise, increasing the character widths; re-suing mode matching till each character is completely segmented so as to obtain precision values of the character widths and the character heights; matching characters of the whole image by using the precise character widths and the precise character heights; and segmenting all the characters according with requirements. By means of the invention, character segmentation can be carried out precisely.

The invention relates to a side wall and a method for forming the side wall and a semiconductor. The method for forming the side wall comprises the following steps of: providing a substrate with a grid electrode structure, wherein the grid electrode structure comprises a grid electrode and a gate dielectric layer which is located between the grid electrode and the substrate; forming a first dielectric layer which covers the substrate and the gate dielectric layer and is a single-layer or laminated structure; forming a second dielectric layer on the first dielectric layer, wherein the corrosion resistance of the second dielectric layer on an etching liquid used in the process of forming a self-alignment metal silicide block is more than that of the outermost layer material of the first dielectric layer on the etching liquid; and sequentially etching the second dielectric layer and the first dielectric layer to form the side wall at the periphery of the grid electrode. The side wall formed in the invention has large corrosion resistance on a solution utilized in the washing process of the formed side wall, thus the loss of the side wall in the process of forming the self-alignment metal silicide block can be reduced, the corresponding side wall width is increased, and the field effect transistor failure problem caused by too small side wall can be avoided.

The invention discloses a stainless steel plate fin type radiator and a processing method thereof. The radiator comprises two side plates which are arranged at intervals, a plurality of long sealing strips which are arranged at equal intervals are arranged between the side plates, the length of each long sealing strip is the same as that of each side plate, a fin is arranged between every two adjacent long sealing strips, and short sealing strips are arranged at the two ends of each fin; the fin comprises the following raw materials of 85-100 parts of Fe, 0.05-0.1 part of C, 0.02-2 parts of Si, 0.1-5 parts of Mn, 0.01-0.02 parts of S, 1-5 parts of Ni, 12-15 parts of Cr, 0.1-2 parts of Cu, 0.2-3 parts of Al, 0.001-0.005 part of Ti, 0.01-0.05 part of P, 0.01-0.1 part of Mg, 0.01-0.3 part ofNb and 0.01-0.1 part of W. Compared with the traditional fin, the finished fin obtained by adopting the scheme of the invention has the advantages that the strength and the thermal stability are greatly improved, and the fin does not deform due to the fact that the radiator is in a high-temperature state for a long time.

The invention provides a hinge structure. The hinge structure is provided with a hinge box with the inside being provided with a shaft hole. One side of a hinge is arranged in the shaft hole in a rotating mode through a cylindrical body, and the cylindrical body is used as a rotating shaft of the hinge. The other side of the hinge is provided with a connecting plate overhung at the outer side of the hinge box. A magnet A and a magnet B are arranged in a box body of the hinge box and the connecting plate correspondingly. The magnetic pole direction of the magnet A and the magnetic pole direction of the magnet B are consistent, and the magnet A and the magnet B are both arranged in the rotation tangential direction of the hinge. Under the interaction of the magnet A and the magnet B, twisting force for rotating the hinge can be provided. According to the hinge structure, the hinge self-resetting twisting force is provided under the magnetic interaction, and the product reliability is improved.

The invention provides a heater assembly and an aerosol forming device. The heater assembly comprises an installation base and a heating assembly. The heating assembly comprises a heating body, and the heating body is provided with a first connecting end and a second connecting end opposite to the first connecting end. Wherein the heating body is fixed with the mounting seat, and at least part of the heating body is used for being inserted into and heating the aerosol forming substrate. The heating body in the heater assembly can be directly and independently inserted into the aerosol forming substrate, the problem that the heating body falls off from the substrate to cause failure during high-temperature heating is avoided, and the reliability of the heating assembly is greatly improved; and meanwhile, the problem that the resistor heating circuit is influenced by the mounting seat can be effectively avoided, a mounting substrate does not need to be additionally arranged, and the production cost is effectively reduced.

The invention discloses an ultra-long-acting dual modification method for hypereutectic aluminum-silicon alloy. The method specifically comprises the following steps that 1, preparation is performed,specifically, the hypereutectic aluminum-silicon alloy is prepared; 2, villiaumite weight and carbon powder weight are prepared according to the total weight of the aluminum-silicon alloy, and in theformula, (1) the mass ratio of Si/(Ti + Zr + B + C) is larger than or equal to 2 and smaller than or equal to 5; (2), the molar ratio of Ti to Zr to B to C is 1: 1: 2: 2; 3, the prepared aluminum andsilicon materials are added into an intermediate frequency reaction furnace for melting, then the prepared potassium fluoborate is added for reaction, potassium fluotitanate is added for reaction, graphene is added for reaction, potassium fluozirconate is added for reaction after molten aluminum is heated, residual liquid villiaumite is poured out after the reaction is finished, and then heating and heat preservation are performed; and 4, the molten aluminum in the intermediate frequency furnace is poured into a transfer ladle, then the molten aluminum is poured into an ingot furnace, and an aluminum alloy ingot is cast after the molten aluminum is cooled and argon is removed.