50 results about "Diamondoid" patented technology

The invention discloses a wear-resistant diamond-like carbon composite film on the surface of a rubber material and a preparation method and application of the wear-resistant diamond-like carbon composite film. The abrasion-resistant diamond-like carbon composite film sequentially comprises a Ti transition layer and a DLC functional layer. Wherein the Ti transition layer is sputtered and deposited on the surface of a rubber material through a direct-current magnetic control power supply, so that the bonding strength of the film can be greatly improved; the DLC functional layer is deposited on the Ti transition layer, and the structure of the DLC functional layer can be flexibly regulated and controlled by adjusting on and off of a Ti target power supply, so that the tribological performance and the environmental adaptability of the composite film are optimized. The abrasion-resistant diamond-like composite film has the advantages of being high in bonding strength, low in friction coefficient, high in environmental adaptability and the like, can be used for surface strengthening and service life prolonging of rubber sealing materials in the marine environment, and is suitable for large-scale industrial production.

This invention discloses a DLC diamond coating, its preparation, and its application method, relating to the field of diamond-like carbon coating technology. Specifically, it includes the following steps: Step S1, substrate graded cleaning and ion etching pretreatment; Step S2, in-situ synthesis of a Ti-TiC-SiC gradient transition layer; Step S3, construction of a silicon / boron co-doped nanocomposite functional layer. This invention alleviates interfacial stress by constructing a gradient transition layer, utilizes a periodic modulation process to form a soft-hard alternating nanolayered structure, and combines a silicon-boron co-doping strategy; effectively solving the problems of high internal stress, poor adhesion, and easy high-temperature failure in coatings, achieving a balance between high hardness, high toughness, and excellent high-temperature wear resistance.

The invention provides anti-halation glass and a vehicle. The anti-halation automobile glass comprises a glass plate; an anti-halation film is arranged on the surface of the glass plate, and a transition layer of the anti-halation film is arranged on the surface; the anti-halation film comprises a transition layer, a silicon-doped diamond-like layer and an oleophobic layer which are sequentially arranged, and the oleophobic layer is located in at least part of the area of the surface of the silicon-doped diamond-like layer; and the content of silicon atoms in the silicon-doped diamond-like carbon layer is 15-20 at%. The invention further provides a vehicle provided with the anti-halation glass. The anti-halation film of the anti-halation glass provided by the invention can eliminate halation defects and radial defects generated during imaging.

The application discloses a laparoscope and a preparation method thereof. In order to improve the wear resistance of the surface of the laparoscope, a silicon oxide / diamond-like carbon composite coating is prepared. Research shows that a low content of diamond-like carbon has little influence on the contact angle of the composite coating, and all can meet the demand of the anti-fog of the coating, but when the content of the diamond-like carbon reaches 50%, the contact angle of the composite coating is obviously increased, and at this time, the composite coating is not suitable for being used as the laparoscope material. At the same time, with the increase of the content of the diamond-like carbon in the composite coating, the wear resistance of the composite coating is gradually improved. In consideration of the wear resistance and the anti-fog performance of the material, the carbon content is preferably controlled in a range of 7% to 29%.

The invention discloses an anti-oxidation special steel high-speed wire decarburization prevention material which is prepared from the following components in parts by weight: 30-50 parts of a component A, 30-50 parts of a component B, 10-30 parts of a component C, 10-30 parts of a component D and 5-10 parts of a pigment, the component A is internally provided with boron modified adamantane, epoxy bentonite, silicon phosphate, amino acid potassium and amino modified triazine, and the component D is internally provided with boron modified adamantane, epoxy bentonite, silicon phosphate, amino acid potassium and amino modified triazine. The component B is internally provided with nano graphene, polyvinyl alcohol, a transparent film and benzoic acid, and the component C is internally provided with SiO2, Al2O3, talcum powder and gypsum powder. After the product is brushed, a coating is compact, the texture is hard, no gap or void exists, the oxidation loss of steel and iron during heat treatment and the procedure of removing oxide skin are avoided through coating smearing, and the coating quality is improved. The specification and the size of the workpiece are more accurate; fatigue strength reduction caused by metal decarburization during heat treatment is avoided, surface gas absorption of metal during heat treatment is avoided, and metal embrittlement is prevented.

This application discloses a diamond-like carbon (DLC) crystal material, its preparation method, and its application as an infrared nonlinear optical material, belonging to the field of crystal preparation technology. The DLC crystal material has a triclinic structure with the chemical formula AM5Q8; wherein A is selected from at least one of Na, K, Rb, and Cs; M is selected from at least one of Ga and In; and Q is selected from at least one of S, Se, and Te. This crystal material exhibits a frequency doubling effect 0.5-5 times that of AgGaS2 and a laser damage threshold 1-50 times that of AgGaS2, demonstrating significantly improved performance and making it a potential infrared nonlinear optical material.

The invention provides a seven-layer interpenetrating Zn-MOF material, which has a chemical general formula of [Zn (SDC) (pyan) (H2O)] n, belongs to a monoclinic system, has a space group of C < 2 > / c, and has cell parameters of a = 14.2585, b = 24.0295 (18), c = 9.5895 (6) and V = 3284.5 (4) 3. The component SDC2 <-> is obtained by removing two protons from rigid dicarboxylic acid stilbene diacid, the structure of H2SDC is as shown in a formula I, and the structure of pyan is as shown in a formula II. The prepared seven-layer interpenetrating Zn-MOF material does not contain rare earth elements, and the calculated value of the Zn element content is 9.59%. A metal-organic framework with a diamond-like network structure is adopted, a stable complex network is formed through seven-fold interpenetration, and organic components SDC2-and pyan have a large conjugate pi electronic system. The preparation conditions are mild, the yield is about 67%, and the good thermal stability is achieved; the hybrid light-emitting device HLED made of the new material can emit high-brightness blue-green light during working.

The invention provides a slip sheet and a manufacturing method thereof, a compressor and refrigeration equipment, relates to the technical field of compressors, and aims to solve the problems of poor wear resistance and poor lubricating effect of the slip sheet in the prior art. The sliding vane provided by the invention is applied to the compressor and comprises a sliding vane base body and a plurality of sliding vanes, the diamond-like supporting layer is arranged on one side of the slip sheet base body; and the lubricating layer is arranged on the surface, away from the slip sheet base body, of the diamond-like carbon supporting layer, and the lubricating layer comprises sulfur-molybdenum compounds and graphite. The diamond-like supporting layer and the lubricating layer with specific components are sequentially arranged on the surface of the sliding vane base body, the advantages of high hardness, high abrasion resistance, high corrosion resistance and the like of a diamond-like material are reserved, the friction coefficient is remarkably reduced through the synergistic lubricating effect of the sulfur-molybdenum compound and the graphite, and the super-lubricating effect is achieved.

The application discloses a lock head structure and a preparation method thereof, a lock box mechanism and a container transportation system, and relates to the technical field of transportation. The lock head structure comprises a lock head body and a protective layer arranged on the surface of the lock head body. The protective layer comprises a nitriding layer, a transition layer and a diamond-like layer arranged in sequence from inside to outside. The material of the transition layer comprises at least one of Cr and CrN. The diamond-like layer has the characteristics of high hardness and low friction coefficient. On the one hand, the contact surface strength of the lock head can be strengthened, and the wear caused by long-term friction can be reduced. On the other hand, the friction force can be effectively reduced, so that the external force required for unlocking the lock box is reduced, the excessive contact force on the contact surface caused by local deformation is reduced, and the situation that the unlocking friction torque is too large and the lock box is stuck is avoided. The nitriding layer provides good support for the diamond-like layer, reduces the hardness mutation between the diamond-like layer and the base body, and reduces the probability of collapse of the diamond-like layer under extrusion.

The invention discloses a diamond-like carbon (DLC) coating and a preparation and use method thereof, and relates to the technical field of diamond-like coatings, and the preparation and use method specifically comprises the following steps: step S1, graded cleaning and ion etching pretreatment of a base material; step S2, in-situ synthesis of a Ti-TiC-SiC gradient transition layer is carried out; and S3, constructing the silicon / boron co-doped nano-composite functional layer. According to the invention, the interface stress is relieved by constructing the gradient transition layer, a soft and hard alternate nano layered structure is formed by using a periodic modulation process, and a silicon-boron co-doping strategy is combined; the problems that the coating is large in internal stress, poor in binding force and prone to failure at high temperature are effectively solved, and unification of high hardness, high toughness and excellent high-temperature wear resistance is achieved.

A boron-doped diamond, a preparation method and an application thereof, belong to the technical field of diamond synthesis. The preparation method of boron-doped diamond comprises a synthesis step: synthesizing boron-doped diamond by subjecting a raw material containing a carbon source, a boron source and a germanium-containing catalyst to a preset temperature and a preset pressure. The preset temperature and the preset pressure are both within the stable range of the diamond phase in the phase diagram, and the preset temperature is not lower than the melting point of the germanium-containing catalyst. Using the germanium-containing catalyst, under temperature and pressure conditions not lower than the melting point of the germanium-containing catalyst and satisfying the stable existence of the diamond phase, the germanium-containing catalyst can be used as a solvent catalyst for diamond, and the germanium-containing catalyst has semi-metallic properties and a diamond-like structure, so that the carbon source and the boron source can form boron-doped diamond with a high boron content.

A system may include a substrate and a coating deposited onto a surface of the substrate. The coating includes a carbon rich layer deposited on the substrate. The carbon rich layer is also characterized by a first carbon content including sp2 carbon and sp3 carbon. Further, the carbon rich layer includes one or more treated carbon regions. The one or more treated carbon regions possess an electrically conductive carbon material having a second carbon content including sp2 carbon and sp3 carbon. The second carbon content includes more sp2 carbon than the first carbon content, and may be pre-arranged and interconnected to produce an electrical circuitry with a pluralities of sensing abilities. The formed smart coating may be preferentially produced on a hard diamond-like carbon coating, such as a low friction and anti-scaling coating.

The application discloses a salt-containing chalcogenide crystal material, a preparation method thereof and application thereof as an infrared nonlinear optical material, and belongs to the technical field of crystal preparation. The salt-containing chalcogenide has a diamond-like structure; the chemical formula of the salt-containing chalcogenide is one of [A5X][M 14 Q 23 ], [A5BaX][M 18 Q 30 ], [A 13 BaX5][M 22 Q 38 ], [A 14 LiX5][M 22 Q 38 ]; wherein A is at least one selected from Na, K, Rb and Cs; X is at least one selected from Cl, Br and I; M is at least one selected from Ga and In; and Q is at least one selected from S, Se and Te. The NLO effect of the material is 0.3-10 times that of a commercial AgGaS2, the laser damage threshold is 1-50 times that of AgGaS2, and the comprehensive performance is greatly improved, so that the material is a potential infrared NLO material.

The application discloses a kind of nitrogen-doped diamond / intrinsic diamond periodic multilayer structure and preparation method thereof, belong to surface treatment technical field.The application includes: bearing matrix surface is polished and polished, and is washed and dried;Using multi-arc ion plating process, carbon target is used as reaction target material, nitrogen is input, and nitrogen-doped diamond layer is deposited on the surface of bearing matrix;Nitrogen is closed, carbon target is used as reaction target material, and intrinsic diamond layer is deposited on the surface of nitrogen-doped diamond layer;The deposition step is repeated, and nitrogen-doped diamond layer and intrinsic diamond layer are alternately stacked in the way of cyclic deposition until reaching the preset total thickness, and nitrogen-doped diamond / intrinsic diamond periodic multilayer structure is formed.By multilayer interface, stress is effectively released, crack is deflected, and the problem of large brittleness and easy peeling of traditional single-layer DLC coating is overcome, and the coating toughness is significantly improved on the basis of maintaining excellent wear-resistant and friction-reducing performance.

The invention discloses a metal-doped diamond-like carbon film on the surface of a magnesium-based material and a preparation method and application of the metal-doped diamond-like carbon film. The preparation method of the metal-doped diamond-like carbon film on the surface of the magnesium-based material comprises the following steps that (1) the magnesium-based material is selected and subjected to forming treatment; (2) carrying out surface pretreatment on the magnesium matrix material; and (3) preparation of the metal-doped diamond-like carbon film: a pulse arc source and plasma immersion ion implantation composite technology is adopted, and the prepared metal-doped, especially copper-doped diamond-like carbon film reduces the corrosion rate of a magnesium-based material in simulated body fluid by more than one order of magnitude; the binding force, antibacterial property and corrosion resistance are comprehensively superior to those of unmodified and conventional diamond-like coatings, and reliable guarantee is provided for safe and long-acting application of the degradable magnesium alloy in the medical fields of orthopedic implantation, cardiovascular stents and the like and in severe service environments of aerospace, ocean engineering and the like.

A system may include a substrate and a coating deposited onto a surface of the substrate. The coating includes a carbon rich layer deposited on the substrate. The carbon rich layer is also characterized by a first carbon content including sp2 carbon and sp3 carbon. Further, the carbon rich layer includes one or more treated carbon regions. The one or more treated carbon regions possess an electrically conductive carbon material having a second carbon content including sp2 carbon and sp3 carbon. The second carbon content includes more sp2 carbon than the first carbon content, and may be pre-arranged and interconnected to produce an electrical circuitry with a pluralities of sensing abilities. The formed smart coating may be preferentially produced on a hard diamond-like carbon coating, such as a low friction and anti-scaling coating.

The utility model discloses a diamond-like carbon film low-temperature deposition device which comprises a microwave dissociation chamber and a radio frequency dissociation chamber which are communicated with each other, the microwave dissociation chamber is communicated with a gas tank of process gas through a gas pipeline, and the microwave dissociation chamber is connected with a microwave source through a microwave waveguide. The radio frequency dissociation chamber is connected with a radio frequency port of a radio frequency power supply through a radio frequency column, and a wafer carrying table is arranged in the radio frequency dissociation chamber. According to the low-temperature deposition device for the diamond-like carbon film, dissociation of process gas is more sufficient, the content of SP3 bonds of the deposited diamond-like carbon film is increased, the hardness of the deposited diamond-like carbon film is improved, and the deposition uniformity of the diamond-like carbon film is better.

The invention relates to the field of medical instruments, in particular to a nano diamond-like film intravascular stent and a preparation method thereof.The preparation method comprises the following steps that firstly, a base material is pretreated, then the nano diamond-like film stent is prepared through a plasma enhanced chemical vapor deposition technology, and after an equipment reaction chamber is adjusted to be in a vacuum state, the nano diamond-like film intravascular stent is prepared under argon protection; the method comprises the following steps: inputting benzene into a vacuum reaction chamber of direct-current arc discharge plasma, introducing silane gas at the same time, bombarding the generated plasma to a negative voltage cathode, and forming a diamond-like carbon film containing a silicon element on the surface when the plasma passes through a substrate material support sample, the silicon element content in the diamond-like carbon film being 15-45%; the silicon element is mainly added to form the elastic concentration gradient type diamond-like carbon film stent, so that the adhesive force, toughness, tensile strength and other physical properties of the coating are improved, the stent has good biocompatibility, and later thrombosis and restenosis after stent implantation are avoided.

The application discloses a super-thick diamond-like carbon film prepared by a double-pulse technology, and the method comprises the following steps: forming an amorphous carbon film by treating with a pulse magnetic field and a pulse electric field during carbon atom deposition on a sample surface. The amorphous carbon film prepared by the method can keep high hardness, reduce internal stress, and prevent the film layer from falling off at a large thickness.

The application discloses a color decoration method for an outer surface of an intelligent ring and a titanium alloy intelligent ring, and the method comprises the following steps: after cleaning and activating a ring shell, a titanium transition layer is deposited, and a high-hardness diamond-like carbon film bottom layer is magnetron sputtered; the carbon film bottom layer is activated by oxygen plasma, oxygen-containing functional groups are introduced, and the water contact angle is reduced to the hydrophilic range; ultraviolet curing ink containing nano alumina oxide particles and inorganic coloring pigments is coated, and a nano ceramic color layer is obtained through ultraviolet curing. Oxygen plasma activation is used to introduce oxygen-containing functional groups on the surface of the diamond-like carbon film to form a chemical bonding interface, so that the problem that the surface of the diamond-like carbon film layer is difficult to color is solved, and color diversification decoration and diamond-like abrasion resistance protection are simultaneously realized.

The application relates to the technical field of diamond-like thin films, in particular to a high-hardness diamond-like thin film coating method. The high-hardness diamond-like thin film coating method comprises the following steps: polishing, cleaning, drying, heat treatment and reducing to room temperature of a metal base material; feeding into a vacuum coating device, passing in argon through an ion source, and starting ion source etching of the base material; respectively taking titanium and titanium carbide as target materials to perform sputtering deposition to form a deposition layer with a thickness of 200-400 nm; passing in a mixed gas of argon and acetylene, and adopting a bipolar pulse bias mode to form a first coating layer with a thickness of 0.5-1.5 microns; passing in a mixed gas of argon, acetylene and silane, the flow ratio of the argon, acetylene and silane being 1-2:1-2:0.1-1, and adopting a bipolar pulse bias mode to form a second coating layer with a thickness of 1-2 microns; and naturally cooling to room temperature after heat treatment under the protection of argon.

The invention discloses a preparation method of a diamond-like carbon functional layer with high binding force on a hard alloy surface, which comprises the following steps: in a vacuum variable pulse carburizing stage, heating a processed hard alloy tool from room temperature to 650-850 DEG C by adopting a segmented heating mode, preserving heat until the temperature of the core and the surface is uniform, and then heating to the carburizing temperature of 950-1350 DEG C; a carburizing medium is introduced for carburizing in a variable pulse mode, each pulse period comprises the processes of inflation, pressure maintaining and air exhaust diffusion, the pressure maintaining time is shortened along with the prolonging of the total carburizing duration, and the air exhaust diffusion time is prolonged along with the prolonging of the total carburizing duration; in the magnetron sputtering coating stage, when the vacuum degree in a cavity is smaller than or equal to 4 * 10 <-3 > Pa, argon is introduced, when the working air pressure is stabilized to be 0.5 Pa-1 Pa, the negative bias voltage of the base body is adjusted to be larger than or equal to 200 V, ion cleaning is conducted, foreign matter on the surface is removed, the surface is activated, and the cleaning time is larger than or equal to 30 min; and depositing the DLC film at the temperature of less than or equal to 200 DEG C. The limitation of a single film preparation mode such as magnetron sputtering is broken through, and industrial application of the DLC film is promoted.

Disclosed is a powder surface element doped diamond deposition device, wherein a vibration table provides adjustable vibration, a plasma reaction cavity contains powder and forms a deposition area at the bottom, the plasma reaction cavity is supported by the vibration table to vibrate and disperse the powder, a target base is arranged at the bottom of a sealing cover, a target is installed on the target base, a pulse power source is connected to the target base to provide pulse power to sputter the target to generate doped elements, an inductance coil is installed outside the plasma reaction cavity, the inductance coil is connected to a high-frequency matching circuit to generate high-density plasma in the plasma reaction cavity, a bias electrode is arranged at the lower part of the plasma reaction cavity, and the bias electrode is connected to a low-frequency matching circuit to adjust the ion energy of the deposition area.

The invention relates to the field of thermoelectric materials and semiconductor refrigeration, and discloses a thermoelectric refrigeration material based on a P-type diamond-like carbon-based Cu3SbSe4 crystal and a preparation method of the thermoelectric refrigeration material, the material is an Ag solid solution P-type Cu3SbSe4 crystal material, and the molar ratio of Cu to Ag to Sb to Se is (3-x): x: 1: 4; wherein x is more than or equal to 0.03 and less than or equal to 0.24, and a Bridgman method is adopted. The compact Cu3SbSe4 crystal material is successfully prepared by a method of firstly adjusting a slow cooling temperature zone by optimizing a preparation process and then filling nitrogen to adjust pressure. And the crystal quality and mobility are improved through solid solution Ag, meanwhile, the carrier concentration of the material is maintained, and finally the electrical transport performance of the material is optimized. The P-type Cu3SbSe4 crystal provided by the invention has the advantages of rich source materials, low price, high mechanical strength and the like, a thermoelectric refrigeration device constructed by the P-type Cu3SbSe4 crystal realizes an effective refrigeration effect, and the diamond-like thermoelectric material Cu3SbSe4 has a great potential of becoming a thermoelectric refrigeration material.

The invention discloses a preparation method of a hydrogen-resistant composite coating. The preparation method comprises the following steps: step S11, depositing a metal titanium transition layer on the surface of a pretreated matrix; s12, a titanium target and carbon target co-sputtering mode is adopted, and a titanium-carbon gradient layer is deposited on the surface of the metal titanium transition layer; s13, the titanium target is closed, and a diamond-like carbon layer is deposited on the surface of the titanium-carbon gradient layer through the carbon target; step S14, repeating the step S12 to the step S13 at least once; and S15, a titanium target and carbon target co-sputtering mode is adopted, and a gradient protection layer is deposited on the surface of the outermost diamond-like carbon layer. Through multi-layer compounding and gradient transition design, unification of high binding force, low internal stress and super-strong hydrogen resistance among the layers is achieved, the whole composite coating is compact and has few defects, the hydrogen permeation current density can be reduced by 99% or above, and the hydrogen permeation time is remarkably prolonged.

The application provides adamantane-modified fullerenes (C 60 ) pyrrolines with enhanced fluorescent properties. The application discloses adamantane-modified fullerenes pyrrolines with enhanced fluorescent properties, and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing and dispersing fullerenes, paraformaldehyde, 1-adamantane methylamine and o-dichlorobenzene, reacting, evaporating a solvent under reduced pressure, separating by column chromatography, and recrystallizing to obtain adamantane-modified fullerenes pyrrolines. The adamantane-modified fullerenes pyrrolines are dissolved in m-xylene, and a poor solvent, isopropanol, is slowly added dropwise to form a clear liquid-liquid interface. The reaction liquid is shaken until the liquid-liquid interface disappears, and then is subjected to ultrasonic treatment, standing, precipitation, washing, and drying to obtain microcrystals. The synthesis process is simple, and raw materials are cheap and easy to obtain. The crystallization method is simple and effective, and the crystallization is good, so that the crystal morphology and size can be controlled. The obtained adamantane-modified fullerenes pyrrolines and cubic crystals have good solubility in organic solvents, excellent fluorescent properties, and symmetrical structure, which is beneficial to subsequent application.

The invention provides a diamond-like carbon-based composite coating and a preparation method, the composite coating is formed on a stainless steel matrix or a cast iron matrix, and the composite coating comprises a transition layer, a wear-resistant layer and an anti-seizure layer which are stacked in sequence; the transition layer comprises a first Me layer, a MeN layer, a Me (W) N layer and a MeWN layer; the wear-resistant layer comprises a WC-DLC composite layer and a DLC layer; the anti-seizure layer comprises a second Me layer, a DLC-MoS2 composite layer and a MoS2 layer; wherein Me is Cr or Ti. According to the diamond-like-based composite coating, the technology of the composite gradient transition layer is adopted, the interlayer binding force between a base body and the coating and the interlayer binding force between the coating are improved, the shear strength is improved, the diamond-like-based composite coating can play a role in enhancing the surface high lubrication of a part, the anti-seizure strength of the part is enhanced, and the service life of the part is prolonged. And therefore, the wear resistance and the service life of parts are improved.

The invention discloses a mask plate and a preparation method thereof. The mask plate comprises a substrate, transition layers arranged on the upper surface and the lower surface of the substrate, and silicon-doped diamond-like carbon layers arranged on the surfaces of the transition layers. The transition layer is composed of laminated composite layers; the composite layer comprises a chromium nitride layer and a chromium oxide layer, and the chromium nitride layer is located below the chromium oxide layer; from the surface of the substrate to the surface of the transition layer, the thickness of the chromium nitride layer in the composite layer is sequentially reduced, and the thickness of the chromium oxide layer is sequentially increased; in the composite layer at the bottommost end, the chromium nitride layer is thicker than the chromium oxide layer; in the topmost composite layer, the thickness of the chromium nitride layer is smaller than that of the chromium oxide layer; in the silicon-doped diamond-like carbon layer, the content of Si is in gradient distribution from low atomic concentration to high atomic concentration from the bottom layer to the surface layer of the surface of the transition layer; the mask plate has the advantages of excellent mechanical properties, high dimensional stability, excellent surface characteristics and long cycle service life.

The invention relates to a diamond-like coating for an axle differential part and a preparation method of the diamond-like coating. The preparation method of the diamond-like coating comprises the following steps that the axle differential part is sequentially subjected to surface etching treatment, preliminary chromium deposition, chromium and tungsten carbide transition deposition, tungsten carbide deposition and diamond-like coating treatment; and the preparation of the diamond-like coating is realized. The prepared diamond-like coating has the characteristics of being high in binding force, good in toughness, good in wear resistance and long in service life, and the reliability, the service life and the safety of the axle differential mechanism can be improved.

The invention belongs to the technical field of photoelectric detection and sensing and infrared imaging, and relates to a high-hardness antireflection film window processing method applied to an atmospheric infrared window wave band. Comprising the following steps: selecting a zinc selenide infrared crystal as a window material, selecting zinc selenide, ytterbium fluoride, zirconium oxide and diamond-like carbon as optical thin film materials, designing a film system structure, and respectively completing plating of a first surface film system structure and a second surface film system structure and finished product detection by adopting a vacuum coating mode. Compared with the prior art, the surface hardness, corrosion resistance, adhesion resistance and infrared band transmittance of the infrared crystal window are improved, the infrared crystal window has excellent infrared spectrum transmission performance and environmental adaptability, the service life of the infrared crystal window is prolonged, long-term stable operation of an infrared detection system is guaranteed, and the service life of the infrared detection system is prolonged. And a solid foundation is provided for iteration upgrading of infrared detection and infrared imaging equipment.