2887 results about "Vacuum coating" patented technology

A PVD layer system for the coating of workpieces encompasses at least one mixed-crystal layer of a multi-oxide having the following composition: (Me11-xMe2x)2O3, where Me1 and Me2 each represent at least one of the elements Al, Cr, Fe, Li, Mg, Mn, Nb, Ti, Sb or V. The elements of Me1 and Me2 differ from one another. The crystal lattice of the mixed-crystal layer in the PVD layer system has a corundum structure which in an x-ray diffractometrically analyzed spectrum of the mixed-crystal layer is characterized by at least three of the lines associated with the corundum structure. Also disclosed is a vacuum coating method for producing a mixed-crystal layer of a multi-oxide, as well as correspondingly coated tools and components.

The invention relates to the electronic application-coating field, in particular to uv-curing coating with high wearing resistance and vacuum coating. The compositions and contents of the invention are: 10 wt percent to 30 wt percent of difunctional group polyurethane acrylate, 10 wt percent to 40 wt percent of high functional group polyurethane acrylate, 5 wt percent to 20 wt percent of high functional group acrylate monomer, 0 wt percent to 15 wt percent of monofunctional group acrylate monomer, 1 wt percent to 10 wt percent of acid adhesive promoter, 1 wt percent to 6 wt percent of photoinitiator, 0 wt percent to 5 wt percent of nano wearing resistance materials, 0.1 wt percent to 2 wt percent of additive and 10 wt percent to 50 wt percent of solvent. The invention is designed for providing surface protection for vacuum coating parts of electric products such as mobile phone, MP3, and digital camera, etc., and is characterized by good surface effect, good performances of ultrawear-resistance, high temperature and humidity resistance, anti-cold thermal cycling and anti-yellowing, etc., wherein, RCA wear can be up to more than 1500 times, which can effectively improve the service life of electric products. The invention effectively enhances the adhesion and wearing resistant performance of the uv-curing and vacuum coating dope, solves the matching problem of the bottom and surface lacquer of the uv-curing and vacuum coating dope, and has broad university.

A security article (10) includes a light transmissive substrate (12) having a first surface and an opposing second surface, with the first surface having an optical interference pattern (14) such as a holographic image pattern or an optical diffraction pattern thereon. A color shifting optical coating (16) is formed on the substrate such as on the interference pattern or on the opposing second surface of the substrate, with the optical coating providing an observable color shift as the angle of incident light or viewing angle changes. Various processes can be utilized to form the security article (10), such as vacuum coating processes, lamination, laser scribing, and laser imaging. The security article (10) can be affixed to a variety of objects through various attachment mechanisms, such as pressure sensitive adhesives or hot stamping processes, to provide for enhanced security measures such as anticounterfeiting.

The invention provides a making method of a shell, comprising the following steps of supplying a plastic substrate; forming a priming paint layer on the surface of the plastic substrate; forming a vacuum film plating layer with the metal appearance on the priming paint layer; forming a transparent or semi-transparent first colored paint layer on the vacuum film plating layer; forming a transparent or semi-transparent second colored paint layer on the surface of the first colored paint layer, wherein the second colored paint layer comprises a shielding region and a transition region which is connected with the shielding region, and the density of paints is gradually reduced from the position of the transition region neighboring the shielding region to a common boundary of the transition region and the first colored paint layer; and forming a transparent finish paint layer on the surface of the second colored paint layer and the surface of the first colored paint layer without coating with the second colored paint layer. The invention also provides the shell fabricated through the method. The shell has the effect of gradual change of colors.

A PVD layer system for the coating of workpieces encompasses at least one mixed-crystal layer of a multi-oxide having the following composition: (Me11-xMe2x)2O3, where Me1 and Me2 each represent at least one of the elements Al, Cr, Fe, Li, Mg, Mn, Nb, Ti, Sb or V. The elements of Me1 and Me2 differ from one another. The crystal lattice of the mixed-crystal layer in the PVD layer system has a corundum structure which in an x-ray diffractometrically analyzed spectrum of the mixed-crystal layer is characterized by at least three of the lines associated with the corundum structure. Also disclosed is a vacuum coating method for producing a mixed-crystal layer of a multi-oxide, as well as correspondingly coated tools and components.

The invention provides a method for processing a plastic surface; comprising the following steps: providing a plastic base body, wherein the surface of the plastic base body is previously provided with a rough area; spraying a priming paint layer on the surface of the plastic base body; forming a vacuum plating film layer on the surface of the priming paint layer; spraying a transparent middle paint layer on the surface of the vacuum plating film layer; and spraying a transparent finish paint layer on the surface of the middle paint layer. By the method for processing the plastic surface, theplastic surface t can not only achieve bright metal appearance but also can show obvious bright and matte double-color effect.

The invention provides a housing of an electronic device, which comprises a base body and a metal texture layer and a finish layer orderly formed on the surface of the base body. The metal texture layer is a non-conducting layer formed by means of vacuum coating and is a compound layer stacked alternately by multiple titanium oxide layers and silicon dioxide layers. The reflectivity of the metal texture layer is 50-80%. The finish layer contains magic pearlescent pigments. The housing of the electronic device has magic pearlescent and metal texture appearance. The invention further provides a preparation method of the housing of the electronic device.

The invention discloses a flexible gallium oxide-based solar-blind ultraviolet photoelectric detector and a preparation method thereof. The preparation method specifically comprises the following steps: preparing a gallium oxide micron band material by utilizing a vapor deposition method, by taking the band material as a light-sensitive material of solar-blind ultraviolet light, transferring the gallium oxide micron band material onto a flexible substrate, and preparing metal electrodes at two ends of the gallium oxide micron band by combining masking and vacuum coating methods so as to finally obtain the flexible gallium oxide-based solar-blind ultraviolet photoelectric detector. According to the preparation method disclosed by the invention, the flexible gallium oxide-based solar-blind ultraviolet photoelectric detector is prepared first by combining the flexible gallium oxide micron band material with the flexible substrate, and the device has the bending characteristic aiming at characteristic response and flexibility of the solar-blind ultraviolet light. The flexible detector has repeated bending restorability and can be applied to the fields of wearable detection equipment, curved screen interaction equipment, bionic tissues and the like. Moreover, the convenience and freedom degree of arrangement and design of the solar-blind photoelectric detection system can be greatly improved.

The invention discloses a method for designing a coating uniformity correction mask for spherical optical elements on planetary rotating jigs of vacuum coating machines, which is used for studying the film thickness distribution of a plane or spherical optical element (subjected to coating) on a planetary rotating jig through establishing a coating model in a vacuum environment. Through enabling an optical element coating process in a planetary rotating jig to be equivalent to a coating process in a simple rotating jig, the initial shape of the coating uniformity correction mask in the planetary rotating jig is designed. Through optimizing the arc length magnification factor of the correction mask by using a computer until the film thickness uniformity reaches the optimal result, the actual shape of the coating uniformity correction mask for the spherical optical elements is obtained. According to the invention, the control on the film thickness uniformity of the spherical optical element with a large caliber and a large caliber / curvature radius ratio can be realized, thereby obtaining the uniformity of multilayer-film spectral characteristics of the spherical optical element with a large caliber and a large caliber / curvature radius ratio.