10 results about "Super black" patented technology

The application belongs to the technical field of nano coating, and particularly relates to a super-black nano coating structure, which comprises a substrate, a transition layer deposited on the surface of the substrate by ALD, a light-absorbing layer deposited on the surface of the transition layer by ALD, and an anti-corrosion layer deposited on the surface of the light-absorbing layer by ALD. Compared with the prior art, the application uses the ALD technology to realize the super-black film of the substrate / transition layer (increasing adhesion) / light-absorbing layer (multi-layer interference film layer) / anti-corrosion layer (single layer or multiple layers) with low temperature (50-250 DEG C), high coverage, ultra-low reflection (less than or equal to 0.5%), high absorption efficiency (greater than or equal to 99.00%) and good bonding force, effectively expands the selection range of the substrate material, solves the problem that the current super-black film manufacturing process has a great limitation on the substrate material, and is difficult to be compatible with the low-temperature control and high coverage, high absorption rate of the film.

1. The name of the design product: super black photoelectric motorized holder type monitoring all-in-one machine. 2. The use of the design product: a kind of all-weather real-time high-definition full-color motorized holder type monitoring camera installed in the key section of the highway. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: front view.

The utility model discloses a lens cone seat insert core segmentation position setting structure, which comprises a lens cone seat, the top of the lens cone seat is fixedly connected with a top surface, the lens cone seat is arranged by adopting an integrated female die, and the inner wall of the lens cone seat is arranged to be a continuous smooth curved surface. The problems of abnormal reflection and poor glare possibly caused by the traditional insert core segmentation design are effectively avoided, the integrated female die design ensures the continuous smooth curved surface of the inner wall of the lens barrel base, reflection and scattering of light rays during passing are reduced, and therefore the imaging quality and performance stability of the lens are improved. The super black plating layer arranged on the top surface further enhances the light absorption capability of the lens, reduces unnecessary reflected light rays, effectively reduces the occurrence of a dazzle light phenomenon, and meanwhile, the top surface is in smooth transition connection with the lens barrel seat through the arc part, so that the design is attractive, light ray reflection and scattering at the joint are reduced, and the service life of the lens is prolonged. And the imaging effect of the lens is further improved.

The invention belongs to the technical field of optical coating, and particularly relates to an oil-stain-resistant ultra-black film structure which comprises a base material, a bonding layer deposited on the surface of the base material through ALD, a light absorption layer deposited on the surface of the bonding layer through ALD and an oil-stain-resistant layer deposited on the surface of the light absorption layer through ALD. The oil-resistant layer is at least one of a fluorine-containing compound, a hydrophobic SiO2 nanostructure and an organic-inorganic hybrid layer, and the oil contact angle of the oil-resistant layer is gt; and 90 degrees. In order to solve the problem that the prior art is difficult to be compatible with the optical performance, the uniformity and the oil stain prevention function of the ultra-black film, the ultra-black film with a substrate / bonding layer / light absorption layer (single-layer or multi-layer) / oil stain prevention layer (single-layer or multi-layer) structure is prepared by adopting an atomic layer deposition technology. The technology has the remarkable advantages in the aspects of accurate control over the film thickness, film thickness uniformity, the coverage degree of components in complex shapes and the like, and the obtained ultra-black film can achieve the effects of high absorption efficiency (larger than or equal to 99%), high coverage rate and oil stain resistance.

The invention discloses a super black gel pen ink composition and a gel pen refill, the ink composition comprises 15%-25% of a composite black nano pigment, 1%-3% of a light absorption enhancer, 5%-10% of a dispersant, 50%-80% of an aqueous solvent, 1%-3% of a hydrophobic cross-linking agent, 0.3%-1.5% of a pH regulator, 0.1%-0.3% of a preservative, 0.5%-2% of a lubricant and 0.2%-0.5% of a thickener, the composite black nano pigment is prepared by compounding carbon black, iron oxide black and graphene carbon quantum dots according to the mass ratio of (3-7): (1-4): (1-4), organic molecules containing multiple conjugated structures are selected as the light absorption enhancer, and after the light absorption enhancer and the composite pigment have a synergistic effect, the blackness of the ink is further improved, and the ink has a good application prospect. And the chemical stability of the light absorption enhancer ensures that the light absorption enhancer is effective in ink for a long time.

The invention discloses a high-temperature-resistant stray light-eliminating inorganic super-black coating and a preparation method thereof, and belongs to the technical field of functional coatings and preparation thereof. The problem that an existing ultra-black coating cannot resist the extreme high temperature of 800 DEG C and cannot meet the coating requirements of precision parts at the same time is solved. According to the invention, self-made low-melting-point glass powder is used as an inorganic binder and is matched with high-temperature-resistant black pigments such as copper chromite black to construct a brand-new inorganic super-black coating system. The coating can be firmly attached to various substrates without harsh base material roughening treatment, the temperature resistance of the coating can reach 800 DEG C or above, space extreme temperature alternation and pneumatic thermal scouring can be effectively borne, and reliable full-spectrum stray light inhibition guarantee is provided for high-temperature working conditions of space optical systems such as high-precision star sensors and the like.

The invention discloses a low-transmittance and low-reflection black film and a preparation method thereof. The black film sequentially comprises an absorption layer, an anti-reflection layer and a protection layer, the absorption layer adopts a super black film as a thin film material, and the anti-reflection layer adopts a super black film as a high-refractive-index thin film material and adopts silicon dioxide as a low-refractive-index thin film material; in the preparation method, when the vacuum degree of a cavity reaches 2.0 * 10 <-3 > Pa, an ion source starts coating, and the energy of the etching ion source is set as follows: the discharge current is 30A-50A, the bias voltage is 100V-150V, and the argon flow is 10-15sccm. Compared with the prior art, by designing a new film structure and innovating and optimizing a plating method and process, the design requirement of the broadband spectrum of the low-transmittance and low-reflection black film is met, the mechanical strength, the friction resistance, the acid and alkali corrosion resistance and the environmental damage resistance of the film layer are improved, and the application range of the product is widened; the reliability and the stability of the whole optical system are improved, and the industrial production problem of low-transmittance and low-reflection black films is solved.

The present application relates to a kind of mechanical properties stable super black light absorption coating and its preparation method and application, the present application includes the following steps: resin is stirred and mixed with light absorber, obtain mixed slurry;The obtained mixed slurry is coated on substrate, after first curing, etching treatment is carried out, and etching sample is obtained;The obtained etching sample is fluorinated, second curing is carried out, and the mechanical properties stable super black light absorption coating is obtained.The present application adjusts the proportion of light absorber and resin and etching time, so that the mechanical properties stable super black light absorption coating has micro-nano porous structure, these light trapping structures can completely absorb and consume multiple reflection light beams, and can effectively reduce reflectivity.The method is simple in operation, low in cost, easy to control, suitable for large-scale production, and stable in mechanical properties;It can be used to improve the measurement accuracy of thermal detector and infrared optical system, and enhance the accuracy of optical navigation system.

The application belongs to the technical field of processing of super-black functional surfaces, and discloses a preparation method of a super-black surface with a large angle and low reflectivity, which comprises the following steps: S1, cleaning and drying treatment is performed on the surface of a sample; S2, a femtosecond laser is used to perform direct writing processing on the sample, and a regular array of parabolic microscale structures is processed on the surface of the sample; S3, nano-particle extinction black paint is uniformly sprayed on the surface of the sample, and the nano-particle extinction black paint is distributed on the surface and the gap of the parabolic microscale structures; and S4, the sample is heated and dried, so that a required super-black surface product is obtained. Through the application, the femtosecond laser processing and the spraying process are ingeniously combined, a multi-scale hierarchical structure is formed, and the extreme light absorption effect from visible light to near-infrared in a wide spectral band and in all directions is realized. The prepared super-black surface still has excellent anti-reflection performance (specular reflectivity is lower than 0.05%) under the condition of a large incident angle (> 60°) and a wide spectrum (200nm-2500nm).

The application discloses a kind of super black light-absorbing powder and its preparation method and application, belong to super black powder and its preparation technical field.The application utilizes the adsorption of carbon black, and grows hydroxide on carbon black, then carries out calcination treatment, obtains the super black light-absorbing powder of carbon black loaded spinel oxide multi-stage light-absorbing structure.The powder prepared by the application has the special hierarchical structure, which reduces surface light scattering, promotes the absorption of stray light, and has good local plasmon resonance effect under sunlight irradiation.In addition, the application provides a simple preparation process for super black light-absorbing powder, little environmental pollution, easy to produce, and the preparation cost is relatively low, and the copper chromium black pigment prepared has high purity, uniform particles, complete crystal form, has great market advantage.The powder has good dispersing performance in water-based resin, avoids uneven dispersion and sinking of the coating, improves the concentration of the surface coating of the prepared coating, and improves the light-absorbing performance of the coating.