521 results about "Film structure" patented technology

The invention relates to a perpendicular anisotropic magnetic memory based on rare earth doped antiferromagnetic, which comprises a thin film structure, and the thin film structure sequentially comprises a buffer layer, a heavy metal layer, a perpendicular magnetic anisotropic layer, a rare earth doped antiferromagnetic layer and a protective layer from bottom to top, according to the invention, the magnetic texture is changed by doping rare earth elements into the collinear antiferromagnetic to break the symmetry of the system, and the spin-orbit torque is utilized to drive the magnetic state of the memory device with perpendicular magnetic anisotropy to overturn only by means of current under the condition of no external field assistance. The method provides a new implementation path for a low-power-consumption and high-density spin storage technology, has a good application prospect, and is expected to promote actual development and application of novel magnetic storage devices in the future.

The invention relates to the field of microelectronic devices, in particular to a bulk acoustic wave resonator with a double-layer piezoelectric film structure, a preparation method and a filter, the bulk acoustic wave resonator comprises a cap wafer, and a dry film, a passivation layer, a silicon oxide layer, a high-resistance silicon wafer and RDL metal are sequentially arranged on the cap wafer; the dry film and the cap wafer form a dry film cavity, the passivation layer located above the dry film cavity extends into the dry film cavity, and a top electrode, a first piezoelectric film, a middle electrode, a second piezoelectric film and a bottom electrode are sequentially arranged on the passivation layer; the top electrode and the bottom electrode are used as first ports of the resonator; and the middle electrode is a second port. According to the resonator, the excitation mode of the resonator is changed through cooperation of the two layers of piezoelectric films with the same polarization direction and the intermediate electrode, a high-order resonance mode is jointly excited, meanwhile, a high electromechanical coupling coefficient is kept, and a wide fractional bandwidth is achieved at high frequency through the relatively thick piezoelectric films; the problems that a high-frequency resonator is weak in power bearing capacity, narrow in bandwidth, low in quality factor and poor in stability are solved.

The invention discloses a big language model data set construction and model training method for optical thin film design, which comprises the following steps of: S1, generating a specific data set based on a real production condition based on a design layered structure of an optical thin film structure and generated spectral data; s2, training a large film design privatization model matched with an actual production process by adopting the training and fine tuning data set of a large language model; s3, based on the characteristics of large language model input, dividing a thin film design privatization large model training scheme into global design optimization and local design optimization; and S4, carrying out model training on global optimization and local optimization by adopting a mutual combination mode. According to the method, the large film design privatization model matched with the actual production process is trained, accurate association of optical film production process parameters and actual measurement spectral characteristics is achieved, and the practical problem that an existing data structure cannot comprehensively represent real film structure information is solved.

This invention discloses a photocatalytic negative oxygen ion near-field purification eyeglass component and its preparation method. The component includes an eyeglass substrate (lens or frame). From the inside out, the outer surface of the substrate is sequentially provided with a functional film layer, a plasma activation layer, and an outermost composite film layer of nitrogen-doped anatase titanium dioxide supported on a Pt-Au-Ag-Pd quaternary noble metal. This film is responsive to the entire visible light band from 400nm to 700nm and stably generates ≥1000 negative oxygen ions / cm³ within a 30cm near-field breathing zone of the wearer's mouth and nose under normal lighting conditions. It also achieves antibacterial and bacteriostatic effects, degradation of harmful gases, surface self-cleaning, and anti-fogging functions. This invention optimizes the film structure, allowing the photocatalyst to directly contact air and visible light, maximizing catalytic efficiency. It is also compatible with lenses and frames, integrating multiple effects such as eye protection, purification, antibacterial properties, and anti-fogging. The process is universal and mass-producible.

The invention provides a TiNbCrZr high-entropy film and a preparation method and application thereof.According to the preparation method, a high-power pulse magnetron sputtering technology is adopted, Ti blocks, Nb blocks, Cr blocks and Zr blocks with the specific mass ratio and the purity larger than or equal to 99.9% are periodically arranged to form a composite target material, and technological parameters such as the target-substrate distance of 50-70 mm, the working pressure of 0.3-0.5 Pa, the pulse width of 100 microseconds and the trigger voltage of 700-900 V are matched for regulation and control, so that the TiNbCrZr high-entropy film is obtained. The ionization rate of the target material can be improved to solve the problem of low ionization rate, and the structure and components of the thin film can be optimized by adjusting the alloy proportion of the target material and the peak power of the HPPMS; compared with a traditional magnetron sputtering product, the TiNbCrZr high-entropy film prepared through the method is higher in binding force, more compact in structure and more excellent in quality, a high-quality high-entropy coating with high wear resistance can be obtained finally, and precise optimization of film components and performance is achieved.

The invention relates to a packaging structure and a preparation method thereof. The method comprises the following steps: providing a carrier plate; a dry film structure is formed on one side of the carrier plate, the dry film structure comprises a dry film layer and a conductive column, through holes are formed in the dry film layer, and at least part of the through holes are filled with the conductive column; a conductive structure is provided, the conductive structure comprises a main body part and protruding parts arranged on one side of the main body part, and the protruding parts are in one-to-one correspondence with the through holes; the conductive structure and the dry film structure are combined in a hot pressing mode, the protruding parts are embedded into the through holes to form solid-phase diffusion connection with the conductive columns, and the main body part is attached to the side, away from the carrier plate, of the dry film layer; and etching the main body part from one side, far away from the dry film layer, of the main body part to obtain a rewiring layer. According to the packaging structure and the preparation method thereof, the signal transmission efficiency and the electrical performance are improved, the material waste is reduced, the production cost is reduced, the packaging requirement of higher integration level can be met, the application scene is expanded, and the graphic precision and the product yield are greatly improved.

The invention relates to the technical field of machining, and discloses a circular knife double-asynchronous collaborative die cutting process and equipment for a multi-glue-layer blue film structure, and the process comprises the following steps: obtaining material parameters and pattern data, and carrying out pretreatment and real-time visual alignment on the multi-glue-layer blue film structure; and the central control module operates an algorithm according to the data, generates and drives the first circular cutter die cutting unit and the second circular cutter die cutting unit to perform asynchronous collaborative die cutting, and peels off waste materials. The system comprises a material conveying module, a visual alignment module, a first circular cutter die cutting unit, a second circular cutter die cutting unit, a central control module and a waste stripping module. By the adoption of the scheme, die cutting alignment precision and efficiency are improved, material loss and production cost are reduced, traditional die cutting errors and material deformation are avoided, cutting quality is optimized, and a technical basis is provided for lean production of electronic product parts.

The utility model discloses a reflecting mirror applied to high-power laser, which comprises a base material structure layer, a reflecting dielectric film structure layer is arranged on the reflecting surface of the base material structure layer in a film coating mode, and the reflecting dielectric film structure layer is composed of 46 layers of high-refractive-index film structures and 46 layers of low-refractive-index film structures which are alternately overlapped from inside to outside. The reflector applied to the high-power laser can obtain high reflectivity in the application scene of the high-power laser under the working wave band of 915 + / -10nm, 976 + / -10nm or 1064 + / -10nm. Meanwhile, the dielectric film of the reflector is extremely low in laser absorptivity, and energy loss can be effectively reduced.

A laser repair method includes a repair process of performing repair work by setting a laser radiation range for a defect part in a multi-layer film substrate and irradiating the defect part with a laser beam under set laser working conditions. In the repair process, spectrum data of the defect part is acquired, and the laser working conditions of the laser beam, with which the defect part is to be irradiated, are set using a neural network after learning on the basis of the spectrum data, and the neural network has undergone machine learning using, as learning data, measurement data including multi-layer film structure data, spectrum data of each multi-layer film structure, and laser working experimental data of each multi-layer film structure.

The invention relates to the technical field of machinery, and discloses an embedded millimeter-wave radar sensor, which comprises a millimeter-wave radar sensor provided with a shell in sealing fit through threaded connection and an electronic component arranged in the shell; the embedded air pressure balancer is embedded on a shell of the millimeter-wave radar sensor in a sealing manner and is provided with an air path for communicating an inner cavity of the millimeter-wave radar sensor with the outside so as to facilitate self-adjustment of air pressure in the millimeter-wave radar sensor, and at least two millimeter-wave radar breathable films are arranged in the air path and are communicated with the millimeter-wave radar sensor through the air path. The millimeter wave radar breathable films are connected in parallel in an air path, and the embedded air pressure balancer further comprises a regulator. Compared with a single and irreplaceable breathable film structure design in the prior art, the embedded air pressure balancer is arranged, so that simple and convenient breathable film switching can be realized.

The invention discloses a particle beam leading-out device, a stripping film adjusting method and a cyclotron, and relates to the field of cyclotrons, the particle beam leading-out device comprises a driving motor, a magnetic fluid sealing device, a flange and a right-angle transmission mechanism which are connected in sequence; the driving motor is fixed at the front end of the flange through a motor mounting bracket; the input end of the magnetic fluid sealing device is connected with an output shaft of the driving motor, and the output end of the magnetic fluid sealing device penetrates through the flange and the support to be connected to the right-angle transmission mechanism. The right-angle transmission mechanism is connected to the driving motor and the two film stripping structures, so that the two film stripping structures can be subjected to angle adjustment or position switching, and the right-angle transmission mechanism is composed of the base, the first main shaft and the second main shaft and realizes movement direction switching through a structural mode of a hinge and a connecting rod; vibration and noise generated by gear meshing can be effectively avoided, abrasion loss is greatly reduced through the structure, and therefore the maintenance frequency of equipment is greatly reduced.

The utility model relates to the technical field of protective films, and particularly discloses a protective film structure for cigarette holder packaging, which comprises a protective film body, one side of the protective film body is fixedly connected with a first sealing edge, the other side of the protective film body is fixedly connected with a second sealing edge, and a first rough part is arranged in the middle of the surface of the second sealing edge. A plurality of second rough parts are arranged on the surface of the first sealing edge, the second rough parts are evenly distributed at equal intervals, the distance between the second rough part located in the middle of the first sealing edge and the second rough parts on the two sides is 2 mm, the common length of the protective film body and the first sealing edge is 22 mm, and the lengths of the first sealing edge and the second sealing edges are both 10 mm. According to the utility model, the condition that a rough surface is in contact with a smooth surface is avoided when the whole protective film covers the cigarette filter tip and the circumference of the filter tip is at any numerical value of 22-24mm, so that the inevitability of frictional contact is ensured, and the firmness of adhesion of the protective film is further ensured.

The embodiment of the utility model belongs to the technical field of protective films. The utility model also relates to a multilayer screen printing platform protective film structure which comprises a plurality of protective film main bodies, the plurality of protective film main bodies are stacked together, and the middle parts of the plurality of protective film main bodies are all provided with vacuum holes; through the arrangement of the multiple layers of protective film main bodies, a worker only needs to tear off the protective film main body on the upper layer after the protective film is used, the new protective film main body on the lower layer can be exposed, the whole protective film does not need to be frequently replaced, so that the operation action and time are reduced, the protective film main bodies are replaced more rapidly through the multi-layer design, and the production efficiency is improved. Staff can quickly replace the protective film, so that the production efficiency is improved.

The invention belongs to the technical field of electrochemical energy storage, and relates to a preparation method of a high-entropy film positive electrode and application of the high-entropy film positive electrode to a film lithium battery, and the preparation method comprises the following steps: depositing a high-entropy positive electrode material on a substrate in a film form by adopting a magnetron sputtering process, and preparing the high-entropy film positive electrode by controlling technological parameters of magnetron sputtering in the deposition process, precise regulation and control on the components, the structure and the thickness of the film are realized; the high-entropy positive electrode material comprises a lithium-based positive electrode target material and a high-entropy alloy target material, the process parameters of magnetron sputtering comprise power density, sputtering atmosphere, target-substrate distance and substrate temperature; through the high-entropy synergistic effect of at least five metal elements, the compactness, thermodynamic stability and electrochemical reaction uniformity of the film structure are remarkably improved; by regulating and controlling target material combination and sputtering process parameters, uniform deposition and excellent film forming quality of the high-entropy positive electrode film under the nanoscale are realized.

A film structure comprises a substrate and a buffer film formed on the substrate. The substrate is a 36° to 48° rotated Y-cut Si substrate, or the substrate is a SOI substrate comprising a base substance made of the 36° to 48° rotated Y-cut Si substrate, an insulating layer on the base substance, and a SOI layer made of a Si film on the insulating layer, and a Miller index of a crystal plane of an upper surface of the SOI layer is equal to the Miller index of a crystal plane of an upper surface of the base substance. The buffer film comprises ZrO2 epitaxially grown on the substrate.

The application belongs to the technical field of functional textile materials, and relates to a one-way wetting film with gradient pore size and a preparation method thereof. The preparation method comprises the following steps: simultaneously starting a first fiber electrostatic spinning device and a third fiber electrostatic flocking device, and keeping for a period of time; starting a fourth fiber electrostatic flocking device, and keeping for a period of time; starting a second fiber electrostatic spinning device, and keeping for a period of time; closing the first fiber electrostatic spinning device, and keeping for a period of time; closing the fourth fiber electrostatic flocking device, and keeping for a period of time, thereby obtaining the one-way wetting film with gradient pore size. The one-way wetting film with gradient pore size comprises a reverse fiber network layer, a hydrophobic layer, a transition layer, a hydrophilic layer and a front fiber network layer which are sequentially adjacent. The application realizes the integration of the film structure, and solves the problems of discontinuous pores, easy peeling between layers, insufficient wear resistance and structural stability in the prior art.

The utility model discloses a one-way valve, an air pump and massage equipment, the one-way valve comprises an air inlet layer, an air outlet layer and a valve membrane structure which are arranged in sequence, air inlet holes are formed in the air inlet layer, air outlet holes are formed in the air outlet layer, and an activity space is formed between the valve membrane structure and the air outlet layer. The valve membrane structure comprises an interlayer part and a valve membrane part connected to the interlayer part, the valve membrane part can be attached to the air inlet layer to cover the air inlet hole, the moving space is used for providing a deformation space for the valve membrane part, an air channel is formed between the periphery of the valve membrane part and the interlayer part, the air channel communicates with the air outlet hole, and the air channel is configured to allow air to pass through when the valve membrane part deforms. The valve membrane part is configured to be capable of deforming towards the air outlet layer to expose the air inlet hole, so that the air inlet hole communicates with the air channel. The valve membrane part is further configured to be capable of being attached to the air inlet layer to cover the air inlet hole so as to block communication between the air inlet hole and the air channel. According to the one-way valve, the air pump and the massage equipment, the risk that the air sealing function of the one-way valve fails can be reduced.

The invention provides a novel protection process for long-distance marine transportation of a large module, which relates to the technical field of ocean engineering and comprises the following steps of: erecting a scaffold grid framework at the part of the large module, which needs to be protected, by means of the flexible characteristic of a fastener type steel pipe scaffold; an industrial high-strength heat shrinkage film is combined with an erected scaffold grid framework to form a protection barrier which is high in toughness and resistant to salt and alkali. According to the novel technology, the flexibility of the fastener type steel pipe scaffold in the structural form and the characteristics of high strength and large tension of the thermal shrinkage film are combined, an airtight space capable of effectively resisting wind loads in marine transportation and providing effective protection can be formed, and wind-induced vibration caused by sea wind to the film structure can be effectively resisted. The novel large-scale long-distance marine transportation protection process is high in applicability, can adapt to various irregular module surfaces, is simple and convenient to construct, and can effectively reduce the marine transportation protection cost.

The application discloses a tunneling magnetoresistance film structure and a magnetic sensitive sensor. The tunneling magnetoresistance film structure comprises a substrate and a cover layer, the substrate is located at the bottom of the tunneling magnetoresistance film, and the cover layer is located at the top of the tunneling magnetoresistance film; a top pinning layer is located between the substrate and the cover layer and is close to the cover layer; a composite free layer is located on one side of the top pinning layer close to the substrate; in the direction of the substrate pointing to the cover layer, the composite free layer comprises an intrinsic free layer and a first sub-composite layer which are arranged in a stack, wherein the first sub-composite layer comprises a first soft magnetic layer, a first amorphous layer and a second soft magnetic layer which are arranged in a stack. The application improves the surface condition of the composite free layer and improves the growth quality of the top pinning layer.

This invention discloses a high-barrier polyvinyl alcohol coated film and its preparation method. The coated film structure sequentially includes: a film substrate, a primer layer, and a high-barrier coating layer. The high-barrier coating layer is prepared and coated from the following raw materials in the indicated mass percentages: 4-10% water-resistant modified polyvinyl alcohol, 2-6% acidic aluminum sol, 0.2-0.5% melamine resin prepolymer, 0.5-1% stabilizer, 0.05-0.5% leveling agent, 0.05-0.1% defoamer, and 83-93% deionized water. This invention provides the market with a packaging film material suitable for boiling, possessing high oxygen barrier properties and transparency.

This invention provides a magnetron sputtering method for preparing a highly bonded alumina / silicon nitride / metal composite thin film, belonging to the field of thin film material preparation technology. The magnetron sputtering method includes the following steps: Step 1, pretreating an alumina substrate to obtain a pretreated alumina substrate; Step 2, using a silicon target as the target material, preparing a silicon nitride layer on the surface of the pretreated alumina substrate by magnetron sputtering; Step 3, after forming the silicon nitride layer on the surface of the alumina substrate, directly switching the power supply to DC sputtering to prepare the metal layer: using a metal element as the target material, preparing the metal layer on the surface of the silicon nitride layer by DC sputtering. The method provided by this invention achieves strong interfacial bonding between the silicon nitride layer and the alumina substrate, and between the metal layer and the silicon nitride layer, improving the stability of the thin film structure and meeting the application requirements of high-performance devices.

The application belongs to the technical field of paint, and particularly relates to a high-weather-resistance multi-color paint and a preparation method thereof. The paint comprises the following components in parts by weight: 80-100 parts of organic silicon polyurethane, 10-15 parts of boron nitride nanosheet, 4-8 parts of nano-silica particles, 2-5 parts of polyurethane fluff micro powder, 1-8 parts of auxiliary agent, and 100-500 parts of solvent. The organic silicon polyurethane is used as the main film-forming resin, and the ternary components of the boron nitride nanosheet layer barrier, the small-particle-size nano-silica particles for constructing the micro-nano hydrophobic structure, and the polyurethane fluff micro powder for assisting in optimizing the film structure are used. The morphology and size effects among the two-dimensional boron nitride nanosheet, the spherical nano-silica particles, and the polyurethane fluff micro powder are utilized, so that the technical problems of the traditional paint, such as insufficient hardness and poor hydrophobic effect, can be solved simultaneously without modifying the fillers, and the overall hydrophobic weather-resistant performance of the coating is significantly improved.

The utility model discloses a tempered membrane structure with four sides protected by curved surfaces and arc edges, which comprises a tempered membrane component, a first outer membrane component is arranged on the upper end face of the tempered membrane component, and a second outer membrane component is arranged on the lower end face of the tempered membrane component. The toughened film assembly comprises a protective layer, a toughened glass main film and a bottom film, the bottom film is adhered to the lower end of the toughened glass main film, and a protective assembly is adhered to the lower ends of the protective layer, the toughened glass main film and the bottom film. The protective assembly of the tempered film assembly can effectively buffer and release pressure when a mobile phone falls from the side or from four corners of the mobile phone to the ground, and the situation that after the tempered glass main film is impacted, the impact force is directly fed back to the mobile phone, and a mobile phone screen is prone to being broken is avoided, so that the using effect of the tempered film structure is improved.

A gas storage reservoir, an energy storage device, and a control method and a mounting method for the gas storage reservoir. An inner foundation structure surrounds the outer side of a ground film; an outer foundation structure surrounds the outer side of the inner foundation structure; the edge of an inner film is fixed to the inner foundation structure; an inner cable net is arranged on the outer surface of the inner film; an accommodating cavity is defined between the inner film and the ground film, and the inner film comprises a metal layer; an outer film structure covers the outside of the inner film structure; the outer film structure comprises an outer film and an outer cable net an interlayer cavity is defined between the outer film and the inner film; an air supply device is configured to inflate the interlayer cavity.

The flange barrel with the anti-corrosion film structure comprises a barrel body, a base is arranged at the bottom of the barrel body, a lifting groove is formed in the center of the top of the base, a lifting containing plate is arranged at the top of the lifting groove, and a containing groove is formed in the center of the top of the lifting containing plate. The inner wall of the barrel body is fixedly connected with an anti-corrosion film layer, and a movable groove is formed in the position, close to the bottom, in the base. According to the flange barrel with the anti-corrosion film structure, the anti-corrosion film layer is fixedly connected to the inner wall of the barrel body, meanwhile, through the unique bottom structure design, the resistance of the flange barrel to ground corrosion is greatly improved, and in an industrial production site, when the flange barrel is placed on the ground where corrosive substances such as acid, alkali and salt possibly exist, the corrosion resistance of the flange barrel is greatly improved. The heightening plate at the bottom of the barrel body is clamped with the placing groove, so that the bottom of the barrel body is not in direct contact with the ground, and corrosive substances are prevented from directly corroding materials at the bottom of the barrel body.

The utility model provides a quantitative packaging cup and relates to the technical field of packaging, the packaging comprises a base plate, a liquid containing area and a tearable film structure, the packaging is made of food-grade materials, and the safety and the stability are ensured. The base plate is optimized in design, has the characteristics of skid resistance and easy holding, and improves the comfort and convenience of a user during use. The liquid containing area is designed to simulate the shape of the tip of the tongue, a consumer can directly lick liquid conveniently, waste is avoided, accurate eating amount scales are arranged, and accurate control over the eating amount every time is guaranteed. The sealing area adopts the multi-layer aluminum-plastic composite film, has excellent sealing performance and oxidation resistance, effectively prevents liquid leakage and active ingredient loss, and prolongs the shelf life of the product. And by optimizing the heat sealing process and design, sealing is firmer, and packaging damage in the transportation and storage process is prevented. By means of the packaging design, the safety and stability of the product are improved, the using habits of consumers are considered, and the more convenient and comfortable liquid active substance eating experience is provided.

The application discloses a brightness enhancement film and a display device, and relates to the technical field of optical films. The brightness enhancement film structure comprises a linear triangular prism structure, a first linear extension columnar structure which is arranged in a first preset angle and is overlaid with the light entrance surface of the linear triangular prism structure, and a second linear extension columnar structure which is arranged in a second preset angle and is overlaid with the first linear extension columnar structure away from one side of the linear triangular prism structure. The linear triangular prism structure, the first linear extension columnar structure and the second linear extension columnar structure are sequentially arranged from top to bottom, and the first linear extension columnar structure and the second linear extension columnar structure are sequentially arranged in the preset rotation direction according to the first preset angle and the second preset angle respectively, with the extension direction of the linear triangular prism structure as the reference. The application solves the problem that the existing light uniformization film still belongs to the diffusion function film category, and the brightness is reduced when a plurality of stacked films are used.

The invention relates to the technical field of optical sensors, in particular to a super-multilayer dielectric film structure optical refractive index sensor based on Fano resonance. The device sequentially comprises a prism layer, a modified cerium oxide layer, a functional layer, an interface layer, a substrate layer and a to-be-detected dielectric layer from top to bottom, the prism layer is a rutile prism, the substrate layer is an SOI substrate, and in the to-be-detected dielectric layer, a to-be-detected medium comprises water and ethanol; the interface layer is arranged on the substrate layer in a coating manner, the functional layer comprises a plurality of groups of units obtained by alternate deposition, and each unit comprises a vanadium dioxide layer and an indium trichloride tetrahydrate doped SiO2 layer which are arranged in sequence. The invention provides an optical refractive index sensor with a super-multilayer dielectric film structure based on Fano resonance, and aims to solve the problems of relatively low sensor sensitivity caused by relatively high cost and poor binding force with oxide materials of precious metals used in traditional materials and relatively weak surface plasmons excited by some oxide materials in related technologies.

The invention discloses a sea grass preservative film and a preparation method thereof, and relates to the technical field of preservative film preparation. Aiming at the problems of serious pollution and difficult degradation of the existing plastic product, the invention takes sea grass and starch as core raw materials and is prepared by the steps of sea grass raw material pretreatment, extract preparation, gel mixture preparation, calcium ion crosslinking, airing and the like. The seaweed extract and the starch are subjected to synergistic interaction through hydrogen bond physical crosslinking and thermal gelation to form a stable film structure, the raw materials are food-grade, and the seaweed film has toughness and complete degradability, is free of harm to the environment and human bodies, can be widely applied to food packaging, field film covering, packaging products and other scenes, effectively replaces traditional plastic products, and solves the problem of plastic pollution.

The application discloses a neural network film reverse design method based on feature enhancement. The application uses the feature film thickness and random film thickness of a classical film system to form a feature-enhanced film structure dataset; a convolutional neural network (CNN) and a long short-term memory network (LSTM) are combined to form a reverse hybrid neural network, which is connected in series with a forward single fully connected neural network to form a film reverse design neural network model; the film reverse design neural network model is trained to obtain optimized model parameters; a target spectrum is input into the trained reverse hybrid neural network, and finally a film system structure that matches the target spectrum is designed. The application is based on the feature-enhanced film structure dataset, reduces the dependence of the neural network on the dataset size, significantly reduces the loss value of the target spectrum test set, and improves the accuracy of the target spectrum prediction. Meanwhile, the application uses the hybrid neural network to capture the multi-dimensional features of the spectrum, and improves the training speed of the film reverse design neural network model.