30results about How to "Reduce the difficulty of coating" patented technology

A face plate used on liquid crystal display is prepared for setting the first and the second mother base plates in opposite way, arranging multiple glue line between two said mother base plates, utilizing said glue lines and two said mother base plates to define out multiple containing space, setting at least one top-bottom through containing space in each glue line and laying conduction resin in said containing space.

This invention relates to one cross light even and color division light method, which comprises the following steps: light source sends out visible light through incidence light conductive bar into cross split parts composed of split prism, light conductive bar and sending even red, green and blue light from three exit light conductive surface. This invention has the following advantages: high integration degree, high light transmission rate and split efficiency, color split film and reflection film and compact structure and small volume.

The invention relates to a 5G front transmission wavelength division multiplexing module based on an optical fiber array and an assembly method thereof, comprising an optical fiber array, lenses, first and second wavelength division multiplexing diaphragms, and reflection sheets arranged in sequence from right to left. The first and second wavelength division multiplexing diaphragms and the reflective sheet are stacked and pasted on the lens in turn, and the lens and the optical fiber array are connected and fixed by glue. It is characterized in that according to the principle of optical system lens imaging spherical aberration, a structure based on optical fiber array, wavelength division multiplexing film and reflection sheet is superimposed and pasted on a single lens to realize the function of multi-wavelength wavelength division multiplexing and demultiplexing. Therefore, the 5G fronthaul wavelength division multiplexing module based on the optical fiber array proposed by the present invention has the advantages of flexible configuration, very compact structure, ultra-small volume, low cost, etc., suitable for limited base station space, convenient for 5G network equipment room and optical modules in the base station Applications.

The invention relates to the field of a semiconductor laser, in particular to a wavelength beam combining mirror device realizing Brewster angle incidence, which comprises a first laser, a first collimation system, a wavelength beam combining mirror, a second collimation system and a second laser, wherein one surface of a wavelength beam combining mirror is a film coating surface, the other side of the wavelength beam combining mirror is not the film coating surface, the non-film-coating surfaces of the first laser, the first collimation system and the wavelength beam combining mirror are positioned at the same side, the film coating surfaces of the second laser, the second collimation system and the wavelength beam combining mirror are positioned at the same side, an included angle theta B1 between the optical axis of the first collimation system and the normal line of the wavelength beam combining mirror is the same as the included angle theta B2 between the optical axis of the second collimation system and the normal line of the wavelength beam combining mirror. The wavelength beam combining mirror device has the advantages that the film coating difficulty is low, the film layer number is small, the corresponding stress is small, the transmission light realizes the Brewster angle incidence, the plating of any film is not needed at the incidence side, in addition, the transmission rate is theoretically 100 percent when the P light realize the Brewster angle incidence, the processing cost is reduced, and simultaneously, the beam combining efficiency is improved.

The invention discloses an optical coherence scanning imaging device for the ophthalmology department. The device comprises a light source, a first beam splitting module, a second beam splitting module, a reference arm, a fundus imaging module, a light path processing module, an ophthalmoscope, a detection module and a control system, wherein light emitted by the light source is divided into four paths, the first light path penetrates through the reference arm, the light path processing module and the ophthalmoscope, comes into human eyes with a fundus signal, and performs interference with the third light path returned from the reference arm in the first beam split module to form an interference light; the detection module is used for receiving the interference light and transmitting the interference light to the control system, and the interference light is processed by the control system to obtain an OCT (optical coherence tomography) graph; the fourth light path sequentially penetrates through the fundus imaging module, the light path processing module and the ophthalmoscope, comes into human eyes with the fundus signal, is returned to the fundus imaging module in the same way, and is processed by the fundus imaging module to obtain a fundus image. According to the device, an OCT light path and a fundus imaging light path can be simultaneously fulfilled by only one light source, and the problem of light path processing module coating difficulty because the OCT light source and the fundus imaging light source having close wavelengths are required can be solved.

The invention discloses a coating method of a curved mirror for a concentrating solar power module. The coating method includes: step 1, pretreating a film without a reflecting layer; step 2, coatingan adhesive applying face of the film with an adhesive, and then drying and curing the adhesive on the film surface; step 3, coating the adhesive applying face of the film with a reflective layer to obtain a film sheet; step 4, laminating a protective film on the reflective layer of the film sheet; step 5, arranging a curved base plate on the surface, without the protective film, of the film sheetto form the curved mirror. By adoption of a vacuum coating process on a planar production line, the film is coated with the reflective layer in advance, then an in-module injection molding process isadopted for forming the curved base plate, direct coating of a curved surface is avoided, and accordingly coating difficulty is lowered, stability in coating is achieved, easiness in mass productionis realized, and equipment cost is sharply reduced.

The invention discloses a dense multi-wavelength combination optical module, which comprises an optical signal processing unit A, an optical signal processing unit B and a plurality of paths of optical signals having different wavelengths. The plurality of paths of optical signals having different wavelengths comprise first, second, third, fourth, fifth, sixth, seventh and eighth optical signals; the optical signal processing unit B utilizes a first wavelength division multiplexing prism to carry out multiplexing on the first, third, fifth and seventh optical signals to generate a first multiplexing optical signal; the optical signal processing unit B utilizes a second wavelength division multiplexing prism to carry out multiplexing on the second, fourth, sixth and eighth optical signals to generate a second multiplexing optical signal; and the optical signal processing unit A carries out multiplexing on the first multiplexing optical signal and the second multiplexing optical signal transmitted from the optical signal processing unit B and outputs the multiplexed signal. Through the principle above, investment is reduced, and insertion loss is small; and compared with a conventional optical module, the optical module can realize denser optical signal combination, and realizes wider passband width.

The invention discloses an optical cable sheath metal strip, a preparation method and application thereof. The optical cable sheath metal strip includes a metal base strip and water-blocking grease lines arranged on the metal base strip. There are at least two water-blocking grease lines, which are interlaced to form several water-blocking chambers. During preparation, the water-blocking grease is continuously coated on the metal base belt by line spraying to form at least two continuous and interlaced water-blocking grease lines. In the present invention, the water-blocking ointment is coated on the metal strip in the form of lines, while simplifying the coating process, the amount of the water-blocking ointment can be greatly reduced, and the production cost is reduced. And the line-shaped water-blocking ointment is coated with multiple lines. These water-blocking ointment lines are interlaced to form a continuous water-blocking chamber arranged in a specific law. After the optical cable is coated, the formed water-blocking stripes are also in a specific Regular uniform and continuous distribution, excellent water-blocking effect, that is, the present invention can produce good water-blocking effect while reducing the amount of water-blocking ointment.

A fast-charging positive electrode sheet with high specific energy and its preparation method and application, which includes a current collector, a first active material layer and a second active material layer; the first active material layer is coated on the current collector, and the first active material layer is coated on the current collector. Two active material layers are coated on the surface of the first active material layer; the first active material layer includes the first active material and a first binder selected from oily binders, and the second active material layer includes the first active material layer Two active materials and a second binder selected from aqueous binders; wherein the aqueous binder includes water-soluble lithium cellulose and / or lithium polyacrylate; the second active material includes lithium iron phosphate. Furthermore, the first active material layer contains more conductive agents, which can directly function as a carbon-coated current collector, reduce the cost of the manufacturing process, and simultaneously improve the dynamic performance of the oily slurry. Lithium iron phosphate with good rate performance is used in the second active material layer, which can significantly improve the energy density and rate performance of the battery.