Magnetron sputtering apparatus manufactured by magnetic confinement magnetron sputtering method

The invention relates to a magnetic confinement magnetron sputtering method and a magnetron sputtering device prepared by use of the same. As the prior art adopts a balanced magnetron sputtering mode and an unbalanced magnetron sputtering mode, the target material utilization rate can only be raised to be between 20 and 35 percent even if permanent magnet movement or the transformation of a plurality of electromagnetic coil sets is adopted, and the prior art has the problems of complex structure and high processing cost. The magnetic confinement magnetron sputtering method forms a magnetic confinement magnetic field with the overall direction parallel to a target surface above the surface of a sputtering target. The magnetron sputtering device manufactured by use of the method comprises amagnet, a magnetic conductor, a substrate and the sputtering target, wherein contrary magnetic poles of the magnet are oppositely fixed on the sides of the sputtering target; the magnetic confinementmagnetic ...

Combined testing device and testing method of laser damage thresholds of film and optical element

The invention relates to a combined testing device of the laser damage thresholds of a film and an optical element and a testing method utilizing the device. The traditional testing device and testing method have greater error and poor suitability for various film materials. The combined testing device of the laser damage thresholds of a film and an optical element comprises a testing assembly and a processing assembly, wherein the testing assembly comprises a Nd:YAG laser, a switch baffle, a first beam splitter, a focusing lens, a second beam splitter, a sample platform, a photodiode array, a convergent lens, an optoelectronic detector, a CCD camera, and the like; and the processing assembly comprises a computer. The testing method comprises the step of: conveying a testing result to judge whether various types of film samples are damaged or not by a CCD video microscopy judging method and a plasma flashing method according to a judgment criterion that one displayed damage is conformed ...

TPU composite material, TPU composite laminated fabric and preparing method of TPU composite laminated fabric

The invention provides TPU composite laminated fabric and a preparing method of the TPU composite laminated fabric. The TPU composite laminated fabric is used for manufacturing various packaging and treatment ton bags for nuclear pollutants and nuclear waste, anti-nuclear-radiation shielding materials, anti-seepage ton bags, high-weight object bearing bags, case materials, life rafts and the like. The TPU composite laminated fabric comprises a TPU coating layer, a unimolecule coating, base cloth, a unimolecule coating and a TPU coating layer, wherein the TPU coating layer, the unimolecule coating, the base cloth, the unimolecule coating and the TPU coating layer are connected in sequence from top to bottom, and each TPU coating layer comprises thermoplastics type polyurethane, rubber, high molecular weight polyethylene, an antioxygen, an ultraviolet light absorber, a light stabilizer, a peroxide crosslinking agent, a silane coupling agent, calcium stearate, titanium dioxide, calcium carbonate ...

Ocean is with super corrosion -resistant rubber cover flexible cable

The utility model relates to an ocean is with super corrosion -resistant rubber cover flexible cable belongs to cable technical field, and the outer parcel of conductor has the band layer, and three tangent installations of conductor form the ventilation hole between three conductor looks tangent planes, and the conductor evenly is provided with three wire rope outward, and conductor and wire rope are provided with the filling layer outward, and the filling layer outer end is provided with the inner sheath, and the outer parcel of inner sheath has the oversheath. Increase armoured thermocouple in the armor of inner sheath, the problem that the measuring of cable temperature, signal transmission, cable heat has been solved to armor thermal resistance, armor heater, be equipped with tinned copper wire iron shielded layer on the inner sheath, have good shielding property and anti -interference ability, very big improvement the shielding property of cable, have good anti external electromagnetic ...

Treatment method for retarding graphitization of DLC (Diamond Like Carbon) thin film

The invention discloses a treatment method for retarding the graphitization of a DLC (Diamond Like Carbon) thin film. An electrode is directly deposited on the surface of the DLC thin film, and when an adjustable direct-current power supply is adopted to apply bias voltage to the electrode, transverse or longitudinal electric fileds can be generated at two sides of the DLC thin film. According to the treatment method, thermal energy generated in a laser irradiation area can be effectively reduced, and the graphitization of the thin film can be retarded.

Ion beam emission source for outputting single ionic energy

The invention relates to an ion beam emission source capable of outputting single iron energy so as to solve the problems of the prior art that the extracted ion does not have single energy, the quality of the film is greatly influenced and the repeatability of ion beam assistance is difficult to realize. The technical proposal is as follows: the emission source comprises a gas discharge chamber,a focusing magnetic field generating unit, an ion energy selector and a beam expanding magnetic field generating unit; the gas discharge chamber comprises an anode, a cathode and an extracting grid plate; the ion energy selector comprises an upper magnetic polar plate and a lower magnetic polar plate which are oppositely arranged, and a selecting cylinder which is formed by a first electrode plateand a second electrode plate which are oppositely arranged; polar plate insulating members are arranged among the upper magnetic polar plate, the first electrode plate, the lower magnetic polar plateand ...

Ion beam emission source for outputting single ionic energy

The invention relates to an ion beam emission source capable of outputting single iron energy so as to solve the problems of the prior art that the extracted ion does not have single energy, the quality of the film is greatly influenced and the repeatability of ion beam assistance is difficult to realize. The technical proposal is as follows: the emission source comprises a gas discharge chamber, a focusing magnetic field generating unit, an ion energy selector and a beam expanding magnetic field generating unit; the gas discharge chamber comprises an anode, a cathode and an extracting grid plate; the ion energy selector comprises an upper magnetic polar plate and a lower magnetic polar plate which are oppositely arranged, and a selecting cylinder which is formed by a first electrode plate and a second electrode plate which are oppositely arranged; polar plate insulating members are arranged among the upper magnetic polar plate, the first electrode plate, the lower magnetic polar plate ...

High speed maglev train guiding and eddy current braking integrative electromagnet device

The invention relates to a high speed maglev train guiding and eddy current braking integrative electromagnet device, comprising a plurality of magnetic poles arranged along the advancing direction of train; wherein the polar plane of the magnetic pole is parallel with a guide rail plane, adjacent magnetic poles are connected in series, thus forming a plurality of groups, and the polarities of each group of magnetic poles arranged on the same polar plane of the electromagnet are consistent, structure is simple, and function is reasonable. The magnetic poles which are uniformly distributed at the two sides of a complete train are changed, so that the polarities of a plurality of magnetic poles arranged on the same polar plane of the electromagnet at each side of the complete train are the same or alternately changed, so as to realize vehicle guiding and eddy current braking functions. The existing special eddy current braking device is not required, thus simplifying structure of system.

Magnetic confinement magnetron sputtering method and magnetron sputtering apparatus manufactured by the method

The invention relates to a magnetic confinement magnetron sputtering method and a magnetron sputtering device prepared by use of the same. As the prior art adopts a balanced magnetron sputtering mode and an unbalanced magnetron sputtering mode, the target material utilization rate can only be raised to be between 20 and 35 percent even if permanent magnet movement or the transformation of a plurality of electromagnetic coil sets is adopted, and the prior art has the problems of complex structure and high processing cost. The magnetic confinement magnetron sputtering method forms a magnetic confinement magnetic field with the overall direction parallel to a target surface above the surface of a sputtering target. The magnetron sputtering device manufactured by use of the method comprises a magnet, a magnetic conductor, a substrate and the sputtering target, wherein contrary magnetic poles of the magnet are oppositely fixed on the sides of the sputtering target; the magnetic confinement magnetic ...

Housing for backlight module and backlight module

The invention relates to a backlight module housing for holding a light source cell, a light guide plate with at least a snug on the outer edge and many optical diaphragms, and including: a bottom frame and at least a side frame on the outer edge of the bottom frame, where the bottom frame has a groove able to hold the snug in the place of the snug of the light guide plate, and there is an unequi-wide gap on one side of the groove. Besides, the invention discloses a backlight module using this case.

Flexible all solid state ultracapacitor system based on graphene fiber material

The utility model discloses a flexible all solid state ultracapacitor system based on graphene fiber material, including flexible substrate to and be fixed in anodal graphene fiber and the negative pole graphene fiber on the flexible substrate, anodal graphene fiber and negative pole graphene fiber have equal length and equal diameter, anodal graphene fiber and negative pole graphene fiber parallel arrangement to have a determining deviation between anodal graphene fiber and the negative pole graphene fiber, this interval is packed by the gel electrolyte, promptly by the gel electrolyte cladding between anodal graphene fiber and the negative pole graphene fiber, anodal graphene fiber is the same with negative pole graphene fiber structure, the two by the polyacrylonitrile fiber that is located the middle part and compound in the last graphene films of polyacrylonitrile fiber constitutes. The utility model provides an ultracapacitor system's conductivity reaches 4.59 103Sm, and the specific ...

Optoelectrical composite rubber -sheathed flexible cable for mine

The utility model relates to an optoelectrical composite rubber -sheathed flexible cable for mine belongs to cable manufacture technical field, control core conductor, power core conductor, optic fibre conductor conductor outward respectively the parcel have the insulating layer, the outer parcel of insulating layer has iron shielded layer, control core conductor, power core conductor, optic fibre conductor conductor use the filling layer to strand the component cable core each other as the center, and cable core outside equipartition has 3 triangular distribution's wire rope, the outer parcel of filling layer has the enhancement layer, and the outer parcel of enhancement layer has the rubber restrictive coating. Adopt power cable, control cable and the trinity compages of optical fiber unit, make its triple functions that have power supply, electrical control and optic fibre information transmission. Be equipped with wire rope in the filling layer, rise to new height with the tensile strength ...

Heat evaporation coating film device

The utility model relates to a vacuum coating technical field, concretely relates to heat evaporation coating film device, the device include real empty room and set up the evaporation source in real empty room, are provided with the baffle that can stop the coating materials above the evaporation source, are provided with the reticule above the baffle, and the reticule is connected through pivot and the modulation motor that sets up outside real empty room, the modulation motor is connected with driver and controller, the utility model discloses simple structure, low cost, the system is compact, can adjust deposit frequency and duty cycle as required, realizes effective control thick to the membrane and the structure.

System and method for testing spectral characteristics of laser thin film of self-focusing lens

The invention provides a system and a method for testing spectral characteristics of a laser film of a self-focusing lens. The system is characterized in that an incident end of the self-focusing lens is plated with an ignition laser wavelength antireflection film and a self-inspection laser wavelength antireflection film; the emergent end of the self-focusing lens is plated with an ignition laser wavelength antireflection film and a self-checking laser wavelength reflecting film; ignition laser emitted by the ignition laser light source and self-inspection laser emitted by the self-inspection laser light source enter the self-focusing lens through the optical fiber coupler; ignition laser sequentially penetrates through the incident end and the emergent end of the self-focusing lens to enter the ignition laser intensity meter and the spectrograph; and the self-checking laser penetrates through the incident end of the self-focusing lens, is reflected by the emergent end of the self-focusing ...

Magnetic field enhanced coupled plasma processing device and method

The invention provides a magnetic field enhanced coupling plasma processing device and method. The magnetic field enhanced coupling plasma processing device comprises a capacitive coupling plasma device and a runway magnetic pole device, the capacitive coupling plasma device comprises an upper anode plate and a lower cathode plate, a plasma working area is formed between the upper anode plate and the lower cathode plate, and an electric field is formed between the upper anode plate and the lower cathode plate; the runway magnetic pole device comprises a moving device and a runway magnetic pole mounted on the moving device, and the moving device drives the runway magnetic pole to move along a plane parallel to the lower cathode plate; the runway magnetic pole comprises adjacently arranged permanent magnets with opposite magnetic pole magnetisms, and an additional coupling magnetic field for restraining bipolar diffusion motion of electrons in an electric field is formed. According to the ...

Super resistant radiation rubber cover flexible cable

The utility model relates to a super resistant radiation rubber cover flexible cable belongs to cable manufacture technical field, and the center of cable is provided with the nylon rope, and evenly distributed has three groups to lead the core around the nylon rope, and the parcel on every side of leading the core has the insulating layer, is provided with the high temperature resistant stay cord of alkali -free glass silk between adjacent two sets of insulating layers, insulating layer, the high temperature resistant stay cord of alkali -free glass silk, nylon rope wrap up on every side has the filler, and the outer parcel of filler has the waterproof layer, and outer parcel of waterproof layer has at a distance from the oxygen layer, and the parcel has the restrictive coating outside the oxygen layer. The restrictive coating of this super resistant radiation rubber cover flexible cable through setting up penylene silicon rubber, very big degree have improved the radioresistance ability ...

Ocean is with super tensile rubber cover flexible cable

The utility model relates to an ocean is with super tensile rubber cover flexible cable belongs to cable manufacture technical field, and the outer parcel of conductor has the insulating layer, and four conductors strand the beam forming each other and constitute power cable, evenly are provided with the steel wire sinle silk around the power cable, the surface of insulating layer and steel wire sinle silk is wrapped up by the filling layer, the outer parcel of filling layer has the isolation layer, and the outer parcel of isolation layer has the armor, and the outer parcel of armor has the rubber sheath layer. This ocean is with super tensile rubber cover flexible cable has high compliance and high wearing feature to good electric property has, it is few to generate smog when adopting low smoke and zero halogen flame retardant rubber sheath to make the cable burning, and possess wear -resisting, antily tear, resistant oil, resistant ozone, resistant fatlute, high performance such as fire ...

Method for reducing impurities of spiramycin by recrystallization

The invention relates to a method for reducing impurities of spiramycin by recrystallization. The method comprises the following steps: (1) dissolving monopotassium phosphate in water and then adjusting the pH value to 2-3 by oxalic acid; (2) putting solid spiramycin into a mixed solution obtained the step (1) and stirring to dissolve at 25-40 DEG C; (3) adding a sodium hydroxide solution with mass concentration of 12-15% into the spiramycin solution obtained in the step (2), raising the temperature for 60-90 minutes and then keeping the temperature to 50-65 DEG C and stirring to crystallize; and (4) centrifugalizing and separating to obtain wet powder, repeating the steps (1), (2) and (3) on the wet powder, and drying the wet powder obtained again to obtain the low-impurity spiramycin. According to the method provided by the invention, by changing the addition of monopotassium phosphate and oxalic acid and then re-dissolving the spiramycin finished product into the solution of monopotassium ...

High-beat high-flexibility double-station battery cell test board

The invention relates to the field of battery cell testing, and discloses a high-beat high-flexibility double-station battery cell test board, which effectively solves the problem that when a battery cell is detected at present, equipment usually occupies a large area, and resource waste is caused, and comprises a working table, battery cell supporting tables are arranged at the top end of the working table at equal intervals, and the battery cell supporting tables are arranged on the working table. A battery cell body is placed at the top end of the battery cell supporting table, a plurality of code scanning guns are installed at the top end of the workbench, code scanning gun servo modules are installed between the code scanning guns and the workbench, testers are symmetrically arranged on the two sides of the battery cell supporting table, and tester moving air cylinders are installed between the testers and the workbench. After the battery cell is placed at the top end of the battery ...

Mining rubber cover flexible cable that blocks water

The utility model relates to a mining rubber cover flexible cable that blocks water belongs to cable manufacture technical field, and power thread guide core wraps up dynamic line insulating layer outward, and two power thread guide core transposition beam formings constitute power cable, and power cable's both sides are provided with signal thread guide core respectively and keep watch on the thread guide core, and the outer parcel of signal thread guide core has the shielding layer, and it has the line of supervision insulating layer to keep watch on the outer parcel of thread guide core, power cable, supervision line insulating layer, the outer parcel of shielding layer have the filling layer, and the outer parcel of filling layer has the enhancement layer, and enhancement layer parcel outward has the restrictive coating, has laid the earth connection in the enhancement layer. Have sufficient dielectric strength between the sinle silk, the earth connection of laying in the enhancement ...

Magnetic-levitation train dynamic suspension control method combined with vibration identification

The invention relates to a magnetic-levitation train dynamic suspension control method combined with vibration identification. The method comprises the following steps: obtaining a suspension state signal, obtaining a gap error between the suspension state signal and an expected state signal through an error comparator, and transmitting the gap error to a suspension controller; acquiring a vibration signal, acquiring the amplitude and frequency of the vibration signal through the vibration identifier and transmitting to a notch filter, and using the notch filter to output the filtered amplitude and frequency and transmitting the filtered amplitude and frequency to the suspension controller; and in the suspension controller, enabling the gap error to obtain a first control signal through a suspension control algorithm, and enabling the notch signal to obtain a second control signal through a vibration control algorithm, wherein the superposition value of the first control signal and the ...

Flat cable is woven to super tensile steel wire

The utility model relates to a flat cable is woven to super tensile steel wire belongs to cable manufacture technical field, and the outside parcel of cable core has the insulating layer, and the cable core level is provided with threely, and the outside of the cable core at both ends is provided with wire rope, cable core and wire rope set up and are weaving portion in place, and it has the sheath to pack between weaving layer and cable core and the wire rope. This flat cable is woven to super tensile steel wire adopts the pulling force of symmetrical wire rope enhancement cable, increases the tensile strength of cable, and the tensile strength of cable effectively promotes. The braiding density of the weaving layer of the outer parcel of sheath reaches more than 90%, has further strengthened the stretching resistance of cable.

Optical coating method and optical film coater using the method

The invention relates to the technical field of optical manufacturing and photoelectric component production equipment, in particular to an optical coating method and an optical coating machine which uses the optical coating method. The invention aims to solve the problems that the prior art can not meet the demands of the preparation of various optical films, optoelectronic functional multi-layer films, as well as photoelectric micro-systems, and the equipment investment is high. To solve the problems in the prior art, the following technical proposal is provided: an optical coating method combines the vacuum cathodic arc coating technology, the magnetron sputtering coating technology and the thermal evaporation coating technology in accordance with the types of the films; during the using process, the plated piece is maintained in a vacuum state and carries out rapid conversion of the evaporation source in a real-time way. At the same time, the invention provides an optical coating machine ...

Hydrogen fuel cell cooling system and cooling control method thereof

The invention discloses a hydrogen fuel cell cooling system and a cooling control method thereof, the hydrogen fuel cell cooling system comprises a cooling system, a refrigerator, a detection device and a control device, the cooling system comprises a cooling circulation flow path and a radiator arranged on the cooling circulation flow path, and a cooling liquid of the cooling circulation flow path cools a hydrogen fuel cell. Two cooling branches arranged in parallel are formed between the radiator and a heat exchanger of the hydrogen fuel cell, the refrigerator is arranged on one branch, the detection device comprises a temperature sensor used for detecting the liquid temperature at the output end of the radiator, and the control device is electrically connected with the detection device, the radiator and the refrigerator; the cooling control method of the hydrogen fuel cell cooling system comprises the following steps: acquiring an initial liquid temperature at an output end of a radiator ...

Full-field detection device of heavy-calibre monolayer film thickness

The invention relates to a full-field detection device of heavy-calibre monolayer film thickness, aiming at solving the problems of the prior art that the thickness distribution of the whole film can not be reflected and the use requirement is high. The full-field detection device of heavy-calibre monolayer film thickness comprises a light source system, an interference system, a CCD image capturing system and a sample motion control system. The interference system comprises a film eliminator, a beam expander, an alignment mirror, an imaging objective lens, a beam splitter, a compensating lens, a reference reflector, a PZT regulator and a PZT drivable and controllable sample platform; the CCD image capturing system comprises a CCD camera, an image capturer and a computer; the light source system, the film eliminator and the beam expander are arranged on a first optical shaft in sequence; the CCD camera, the imaging objective lens, the second beam splitter, the compensating mirror, the reference ...

Purple sweet potato and oatmeal cake and preparing method thereof

The invention discloses a purple sweet potato and oatmeal cake and a preparing method of the purple sweet potato and oatmeal cake. The method comprises the steps that purple sweet potatoes with peel are washed and steamed; the steamed purple sweet potatoes are peeled and then mashed; the mashed purple sweet potatoes are evenly mixed with low-gluten flour and oatmeal for later use; butter is molten at the indoor temperature, sugar, salt and cheese are added to the button, and the mixture is stirred until the mixture is bubbled; whole edges are added to the mixture and stirred evenly; stirred mixed liquor is added to dough; the prepared dough is shaped; finally, the shaped dough is baked. According to the gradually-increased health diet requirements of people, the method is used for preparing the purple sweet potato and oatmeal cake which is rich in nutrition and has the health-care function, operation is simple, and nutrient contents of the purple sweet potatoes and the oatmeal are thoroughly ...

Current integration control method for permanent-magnet electromagnetic hybrid magnetic levitation system

The invention discloses a current integration control method for a permanent-magnet electromagnetic hybrid magnetic levitation system. A stable range of three balance points of the permanent-magnet electromagnetic hybrid magnetic levitation system is determined, and the balance points are switched by the current integration control method, so that a floating process and a descending process are realized, and the defect of suspension contact in the suspension process is overcome. In the invention, a method for analyzing a locally stable range and a stability margin of a current integrator is researched and an improved current integration control method is provided so as to solve the problem of switching the balance points.

A1B12 nano/sub-micron spherical material and preparation method thereof

The invention discloses a preparation method of A1B12 nano/sub-micron spherical material, which comprises the following steps that: first, a quartz boat which holds an aluminum source and a silicon chip substrate (the substrate is pure and is arranged in the lower airflow direction close to the quartz boat) are put into the middle part of a quartz tube of a tube furnace, the quartz tube (an experiment device for synthesizing the A1B12 nano/sub-micron spherical material, as shown in Figure (1)) is sealed and pre-vacuumized simultaneously; and then protective and reduction gas is fed in, the furnace is heated to 800 to 900DEG C, boron source is fed in, the protective and reduction gas are regulated simultaneously and maintained for 15 to 60min; after the reaction is carried out fully, a system is cooled to room temperature under the mixed gas atmosphere of the protective gas and the reduction gas; and after the intermediate product is cooled, a Si substrate (an evaporation bit) is taken out ...

Method for obtaining maglev train suspension system controller based on deep reinforcement learning

The invention relates to a magnetic-levitation train suspension system controller obtaining method based on deep reinforcement learning, and the method comprises the following steps: building a nonlinear model of a suspension system based on a secondary suspension structure of a magnetic-levitation train suspension point; acquiring test track simulation data and initial control parameters, and loading the test track simulation data and the initial control parameters into the nonlinear model for simulation; obtaining suspension air gap data of a new simulation fragment in the nonlinear model and acceleration data of a secondary suspension structure, updating a reward function value, and training a current deep reinforcement learning agent model based on the current reward function value, inputting the suspension air gap data of the current simulation fragment and the acceleration data of the secondary suspension structure into the current deep reinforcement learning agent model, obtaining ...

Method and device for testing laser damage threshold of spherical element

The invention provides a method and a device for testing a laser damage threshold of a spherical element. The technical problem that the laser damage threshold of the spherical element cannot be measured is solved. According to the invention, the spherical element is placed in the mechanism and is subjected to the compound motion, the translational motion of the element is used for enabling the sphere center of the spherical element to coincide with the motion axis of the mechanism, and then the subsequent pitching and rotating motion is carried out through the pitching mechanism and the rotating mechanism; and the laser can be vertically incident to the surface of the spherical element for irradiation. Therefore, a sufficient number of damage points are completed on the surface of the spherical element, and finally the laser damage threshold of the spherical element is obtained through calculation. The device is scientific and reasonable in structure, laser can be vertically incident to ...

Back light module

The utility model provides a back light module, includes a backplate, a light guide plate, a light source module and a glue film. The light guide plate disposes on the backplate and has an income plain noodles, plain noodles, a bottom surface and a plurality of side, and the light -emitting facial features is to the bottom surface, goes into plain noodles and each side and connects a plain noodles and bottom surface, and one of them side is for going into the plain noodles, and an edge of being connected for the side of going into the plain noodles and bottom surface has a first length. Light source module disposes in going into the plain noodles. The glue film glues together between the bottom surface of light guide plate and backplate and one of them of neighbouring these sides, and the orthographic projection of its mesoglea on the side of neighbouring glue film has a second length, and second length is not more than the third of first length, so can avoid the excessive displacement ...

Light emitting diode lamp panel

A light-emitting diode lamp panel comprises a substrate, a plurality of light-emitting diodes and a colloid layer. The substrate is provided with a plurality of light-emitting areas which are adjacently arranged. The light-emitting diodes are located in the light-emitting areas respectively. The colloid layer is disposed on the light emitting regions. The light emitting diodes are arranged between the substrate and the colloid layer and are covered by the colloid layer. The colloid layer of any one of the light-emitting areas is provided with a plurality of grooves, and the grooves are exposed out of the upper surface of the substrate corresponding to the grooves. At least part of the grooves of any one of the light-emitting areas surrounds the corresponding light-emitting diodes. The light-emitting diode lamp panel has a good light emitting effect.

Display panel and light source device used thereof

A1B12 nano/sub-micron spherical material and preparation method thereof

The invention discloses a preparation method of A1B12 nano/sub-micron spherical material, which comprises the following steps that: first, a quartz boat which holds an aluminum source and a silicon chip substrate (the substrate is pure and is arranged in the lower airflow direction close to the quartz boat) are put into the middle part of a quartz tube of a tube furnace, the quartz tube (an experiment device for synthesizing the A1B12 nano/sub-micron spherical material, as shown in Figure (1)) is sealed and pre-vacuumized simultaneously; and then protective and reduction gas is fed in, the furnace is heated to 800 to 900DEG C, boron source is fed in, the protective and reduction gas are regulated simultaneously and maintained for 15 to 60min; after the reaction is carried out fully, a system is cooled to room temperature under the mixed gas atmosphere of the protective gas and the reduction gas; and after the intermediate product is cooled, a Si substrate (an evaporation bit) is takenout ...

Accurate graphene superposition structure as well as preparation method and application thereof

The invention discloses a graphene precise superposition structure and a preparation method and application thereof.The structure is composed of a metal foil mesh layer and a graphene superposition layer, has high light transmittance and strong electromagnetic shielding performance, can absorb and reflect electromagnetic waves for multiple times, and effectively improves the electromagnetic shielding performance of a traditional metal structure. According to the preparation method of the structure, a laser beam etching process is utilized, a preset etching structure is accurately formed on the surface of the graphene superposition layer/metal foil, and the graphene superposition structure conforming to the design is obtained. According to the method, the superposition process of each layer of graphene is strictly controlled, defects are eliminated according to characterization results, the etching structure is cooperatively regulated and controlled, metal patterning and continuous graphene ...

Combined testing device and testing method of laser damage thresholds of film and optical element

The invention relates to a combined testing device of the laser damage thresholds of a film and an optical element and a testing method utilizing the device. The traditional testing device and testing method have greater error and poor suitability for various film materials. The combined testing device of the laser damage thresholds of a film and an optical element comprises a testing assembly and a processing assembly, wherein the testing assembly comprises a Nd:YAG laser, a switch baffle, a first beam splitter, a focusing lens, a second beam splitter, a sample platform, a photodiode array, a convergent lens, an optoelectronic detector, a CCD camera, and the like; and the processing assembly comprises a computer. The testing method comprises the step of: conveying a testing result to judge whether various types of film samples are damaged or not by a CCD video microscopy judging method and a plasma flashing method according to a judgment criterion that one displayed damage is conformed ...

Dispersing agent for wet electroceramic body connecting process and wet body-connecting method

The invention relates to a dispersing agent for a wet electroceramic body-connecting process and a wet body-connecting method. The dispersing agent is prepared from sodium polyacrylate and is applied to the wet body-connecting process of electroceramic bodies. The dispersing agent is an aqueous solution of the sodium polyacrylate with the weight percentage concentration of 0.2 to 1.5 percent; theusing temperature of the dispersing agent is 25 to 50 DEG C in summer and autumn, and 15 to 40 DEG C in winter and spring; and the hydration time is 7 to 35 minutes. The wet body-connecting method byusing the sodium polyacrylate as the dispersing agent comprises the following steps of: preparing the dispersing agent, namely weighing the sodium polyacrylate according to the requirement, putting the sodium polyacrylate into a container, adding hot water slowly, and adding water with stirring; dissolving the materials fully, stirring uniformly, and adding water until the required concentration is achieved ...

Rotating mechanism with self-locking function

The invention relates to a rotating mechanism with a self-locking function, a driving wheel is sleeved on a shaft so as to be driven by a driving mechanism in the forward direction, a driven wheel is sleeved on the shaft and is driven by the driving wheel, a torsion spring comprises a ring part, a first spring arm and a second spring arm, the ring part is wound on the shaft, and the first spring arm is arranged on the ring part. The first spring arm extends outwards in the radial direction from the tail end of the top of the ring part and is clamped between the driven wheel and the driving wheel, the second spring arm extends outwards in the radial direction from the tail end of the bottom of the ring part and is clamped between the driven wheel and the driving wheel, and the driving wheel acts on the torsion spring to enable the torsion spring to be in an unlocking state when being driven in the forward direction; and the driven wheel acts on the torsion spring to be in a locked state ...

Device and method for identifying laser damages to optical film

The invention discloses a method and a device for identifying laser damages to an optical film. The types of elements contained in damaged materials can be determined by acquiring mass-to-charge ratio distribution and performing mass spectrometric analysis and element judgment through computer software, so that damages to the film can be judged accurately and rapidly on line. The device adopting the method consists of a test sample stage, a mass-to-charge ratio acquisition system and a computer operation system. By adopting the method and the device, the damage state of the film or an optical element under strong laser light can be judged rapidly and accurately on line in real time. By applying the method to laser damage threshold test, integration, automation and intelligence of a test system can be realized.

Method for extracting polysaccharide from hericium erinaceus mushroom dregs

The invention discloses a method for extracting polysaccharide from hericium erinaceus mushroom dregs. The method comprises the following steps of selecting, crushing, carrying out microwave extraction, filtering, concentrating, centrifuging, carrying out alcohol precipitation separation and drying to obtain a finished product. According to the invention, hericium erinaceus mushroom bran is developed and utilized, so that resource utilization of organic waste is realized, and environmental pollution is reduced; by extracting the polysaccharide from the hericium erinaceus mushroom bran, resource waste is reduced, and the hericium erinaceus mushroom bran as wastes turns into wealth; as the polysaccharide is extracted by adopting the hericium erinaceus mushroom bran instead of fruiting body, the production cost is greatly lowered. The method for extracting the polysaccharide from the hericium erinaceus mushroom bran by virtue of a microwave method is easy to operate, is high in extraction ...

Energy system for motor sweeper and motor sweeper thereof

The invention relates to the technical field of motor sweepers, and particularly discloses an energy system for a motor sweeper and the motor sweeper thereof.The energy system comprises a sweeping module, a fuel preparation module and a fuel cell module; wherein the sweeping module comprises a sweeping and collecting device and a screening device, the screening device is used for screening and separating the garbage into inorganic garbage and organic garbage, and the organic garbage is conveyed to the fuel preparation module; the fuel preparation module is used for decomposing the organic garbage to form a fuel source and conveying the fuel source to the fuel cell module, so that the fuel cell module operates to generate electricity, and electric power generated by the fuel cell module serves as a power source for operation of the sweeper. The power system of the motor sweeper is energy-saving and environment-friendly, and the reciprocating frequency of the motor sweeper and the garbage ...