218results about How to "Stable mass production" patented technology

The invention provides a liquid crystal medium composite as well as a liquid crystal display using the liquid crystal medium composite and a manufacturing method of the liquid crystal medium composite. The liquid crystal medium composite comprises the following components: a liquid crystal material, a polymerizable monomer, a stabilizing agent and a sensitizing agent, wherein the sensitizing agent has strong absorption on ultraviolet light with the wavelength in a range of 300-380 nm; and the structure is formed by connecting a polycyclic aromatic hydrocarbon formed by connecting a plurality of benzene rings, with an aromatic ring. The liquid crystal display comprises an upper substrate, a lower substrate and the liquid crystal medium composite, wherein the upper substrate and the lower substrate are arranged in parallel; and the liquid crystal medium composite is arranged between the upper substrate and the lower substrate. According to the invention, the stabilizing agent which has the strong absorption on the ultraviolet light with the wavelength in the range of 300-380 nm is used so that a reaction wavelength of the polymerizable monomer can be moved towards a long wavelength; the ultraviolet light with the wavelength in the range of 300-380 nm is used for irradiating to keep away from the absorption wave section of a liquid crystal material, so that the damage effect on the liquid crystal material and an alignment material PI (Polyimide) by the ultraviolet light is reduced, and the polymerization reaction efficiency and the uniformity of the polymerizable monomer can be improved.

An anti-reverse input clutch is provided which includes an output member including an output shaft held so as to be rotatable about the axis of an input member, and a cam member which is a separate member from the output shaft and on which cam surfaces are formed. The cam member is rotationally fixed to the output shaft. Thus, each of the output shaft and the cam shaft can be easily formed, so that it is possible to significantly reduce the time and cost for manufacturing the output member and improve the freedom of design thereof.

A method of preparing alloy which contains neodymium iron boron by scraps, which relates to a preparation of permanent magnet of neodymium iron boron, especially by using the raw materials of scraps of neodymium iron boron alloy which own middle or high coercive force to prepare the permanent magnet of neodymium iron boron.. The characteristics is that the alloy contains 20 - 50% of the raw materials. Determine the chemic component of the scraps to confirm its constitution. Supplement pure materials of alloy by frame of reference. Enter 0.2 - 0.5% more Nb and 0.5 - 1.0% more Nd by frame of reference after the supplement of the weights which lost in sinter. The method of the present convention can callback 95 - 99% of scraps effectively, and reduce 8 - 10% of the cost of the raw materials. Increase the rate of the utilization of the stuff. The invention can produce large amount of neodymium iron boron production which contains high trademark steadily. It has the high value of production and utilization, and also have the integrative benefit of the society.

The present invention provides a liquid crystal medium composition and a liquid crystal display using same. The liquid crystal medium composition includes a liquid crystal material, a stabilizer, and polymerizable monomers. The polymerizable monomers include at least two types of monomers, which include at least one highly reactive monomer and at least one strong anchoring monomer. The liquid crystal display includes upper and lower substrates that are arranged parallel to each other and a liquid crystal medium composition arranged between the upper and lower substrates. The liquid crystal medium composition includes two or more than two polymerizable monomers of different functionalities to mix in a reasonable manner so that balance can be reached among polymerization reaction rate, homogeneity of polymer formed thereby, and magnitude of anchoring force, all being of upgraded level. The optic quality and overall performance of a liquid crystal panel are enhanced.

The invention provides a liquid crystal medium mixture and liquid crystal display using the same. The liquid crystal medium mixture comprises the following components: at least one anisotropic liquid crystal material, and two or more polymerizable monomers which can be polymerized under UV (ultraviolet) irradiation, wherein the liquid crystal material comprises an alkenyl compound which is stable to a polymerization reaction during polymerization of the polymerizable monomers; and the polymerizable monomers account for 0.1-1% of the total amount of the liquid crystal medium mixture in part by weight. The liquid crystal medium mixture can be polymerized into polymer bulge with relatively small size and good uniformity by adopting the two or more polymerizable monomers which can be polymerized under the UV irradiation according to a proper ratio, so that poor liquid crystal alignment, and a light spot phenomenon of a liquid crystal panel in the dark state are avoided, thus increasing the response speed of the liquid crystal panel and achieving high contrast and stable massive productivity.

The present invention discloses a method for producing a mosaic diamond comprising implanting ions in the vicinity of the surfaces of a plurality of single-crystal diamond substrates arranged in the form of a mosaic, or in the vicinity of the surfaces of mosaic single-crystal diamond substrates whose back surfaces are bonded by a single-crystal diamond layer, so as to form non-diamond layers; growing a single-crystal diamond layer by a vapor-phase synthesis method; and separating the single-crystal diamond layer above the non-diamond layers by etching the non-diamond layers. The method of the present invention prevents the destruction of single-crystal diamond substrates by using a process that is simpler than conventional methods, thus allowing a large quantity of mosaic diamond to be produced in a stable and efficient manner.

There is provided a high refractive optical glass capable of performing color balance correction, suitable for the miniaturization and high performance of optical instruments. The optical glass provided comprises borate system containing TiO2 as glass component. After heat treatment or controlling the species and quantity of additives, the transmittance characteristics of said optical glass satisfies the relation formula of (1) (lambada702-3009 multiplied by nd+2842 ellipsis(1)) when the wavelength lambada with 70% exterior transmittance and 10.0 mm thickness is set to 70 nm.

The invention discloses a production method of an imitative natural stone texture porcelain tile. By adjusting the caliber size and the shape of a slurry outlet of a distributing pipeline, and the arrangement position and swinging of the pipeline, different colors of slurry is sprayed onto the surface of a green brick under certain pressure to form different color gradients which are similar to patterns and lines formed by flowing, impact and extrusion of lava, the texture is natural and smooth, the effect is lifelike, the decorative effect is comparable to the decorative effect of natural stone, the working procedure is easy to control, and the mass production is stable. Meanwhile, by adopting the method provided by the invention, the slurry is easily recycled, and the overall production cost is effectively controlled.

The invention relates to a method and a device for measuring plate cut of belt material. The method includes: an upper laser sensor measures a first distance signal; a lower laser sensor measures a second distance signal; a programmable logic controller (PLC) receives the first distance signal and the second distance signal and carries out relevant calculation to obtain the thickness of the belt material; and finally by a personal computer (PC), thickness data in the unit time is combined to display the plate cut of the belt material. By utilization of a laser beam of which the top and the bottom are collimated and collinear, the belt material to be measured is irradiated, two measurement points are formed on the surface of the belt material, and by obtaining of the distance between the two measurement points, the real-time plate cut and physical parameters are obtained in the process of spraying. Compared with the prior art, the method and the device for measuring the plate cut of the belt material has the advantages of being easy to operate, low in cost, high in measurement accuracy and the like, and meanwhile provides a monitoring method for stable and mass production of the high-performance belt material.

The utility model discloses a negative ion air purifier, comprising an electrostatic field-generating module and a voltage boost circuit. The voltage output end of the voltage boost circuit connects with the voltage input end of the electrostatic field-generating module. Said electrostatic field-generating module includes anodes and cathodes that are arrange alternately and equidistantly. A frequency conversion and voltage regulation module is further added, whose voltage signal sampling end connects with the voltage output end of said voltage boost circuit and whose control end connects with the voltage signal input end of said voltage boost circuit, thus making the device adapted to the fluctuation of the mains electricity between 180V to 240V and perform its functions steadily, and overcoming the disadvantages of existing products, such as the proneness to burnout and stop, unstable release of the ion flow, big noise and the difficulty in keeping effective.

The present invention provides a mixture for liquid crystal medium and a liquid crystal display using the same. The mixture for liquid crystal medium comprises: at least one anisotropic liquid crystal material and two polymerizable monomers which will polymerize under UV irradiation. The weight percentage of the polymerizable monomers accounts for 0.1% to 1% of the total mixture for liquid crystal medium. In the mixture for liquid crystal medium and a liquid crystal display using the same according to the present invention, by using two or more polymerizable monomers which will polymerize under UV irradiation and the appropriate content ratio, the polymer bump with small size and good uniformity can be obtained within the mixture for liquid crystal medium after the polymerization, which avoids the bad liquid crystal alignment and the light spot occurred at the dark state of the liquid crystal panel, and then increases the response rapid of the liquid crystal panel to obtain high contrast ratio and stable mass production.

A photo-coupler semiconductor device includes first and second planar lead frames each having a main portion and a distal portion, a light emitting element and a light receiving element respectively mounted on upper surfaces of the distal portions of the first and second lead frames, a light-transmitting resin member which covers the light emitting element and the light receiving element, and supports the distal portions of the first and second lead frames in spaced opposed relation with the light emitting element and the light receiving element being mounted on the upper surfaces of the distal portions so that the main portions of the first and second lead frames are located in coplanar relation, and a opaque resin member which covers the light-transmitting resin member, and supports the main portions of the first and second lead frames. The light-transmitting resin member and the opaque resin member are each composed of an epoxy resin as a base resin.

The invention relates to the technical field of manufacturing equipment of semiconductors or micro-electronics or solar cells, in particular to a device for forming a tin electrode wire on a solar cell sheet. The device for forming the tin electrode wire on the solar cell sheet comprises a vacuum box, a driving wheel is arranged on one end of the vacuum box, and a driven wheel is arranged on the other end of the vacuum box. The driving wheel is provided with a constant speed motor, a conveyer belt is hung between the driving wheel and the driven wheel, and the conveyer belt runs continuously through the driving wheel and the driven wheel to form a continuous circulating conveying device. A lifting starting valve is arranged above the box, the lifting starting valve is provided with one or more ultrasonic welding joints, and an infrared heating source is arranged in front of each ultrasonic welding joint to carry out pre-heating on a substrate. According to the device for forming the tin electrode wire on the solar cell sheet, tin or tin alloy is connected to the solar cell sheet through the ultrasonic welding joints to form a conductive electrode. A device can control multiple electrode wires simultaneously. An infrared technology is used for heating, the substrate can be warmed to a preset temperature fast, high-speed welding is achieved, the producing capacity of one device can achieve 1200 sheets/hour, and device cost is low.

The invention relates to a precise forming method of a straight/helical tooth cylindrical gear. The precise forming method disclosed by the invention is characterized by being realized by the following two steps while a 'diameter-increasing half long ridge-tooth space splitting' way is adopted: firstly, closed die forging is carried out on cylindrical blank to form a pre-formed part, wherein one end of the pre-formed part is larger in radial dimension, sectional area and edge axial dimension and the other end of the pre-formed part is equal to the required value of the sectional area and has slightly smaller radial dimension, the two ends transit in a bevel angle manner, and a cylindrical surface is in a 'diameter-increasing half long ridge' state; and secondly, the pre-formed parts penetrate through a final forming die each tooth space of which is correspondingly provided with a splitting wedge in a sequence from big end to small end, wherein a splitting edge and a working surface of the splitting wedge are in a tilted state, a rim is split, extruded and deforms, and each slot base is deepened and the top of each ridge is lifted, thus a gear tooth with complete tooth profile is obtained. The gear tooth/tooth space obtained by the invention is clear and full, a required forming force is relatively small, an equipment action is simple, a structure of a die is not complex, a workpiece is easy to demould, requirement to technological conditions is low, and adaptability is wide.

The present invention relates to a preparation method of para-aramid nanofibers, and belongs to the technical field of novel polymer materials. The para-aramid nanofibers prepared in the present invention have a diameter of 10-100 nm, and a length of hundreds of microns. The preparation method includes: adding a certain amount of surfactant in a PPTA low-temperature polymerization process, and controlling aggregation of PPTA molecules along with growth of a PPTA molecule chain, thereby preparing the para-aramid fibers with a uniform size and an adjustable nano-scale diameter under assistance of other means (e.g., a coagulator and high-speed shearing dispersion). The present invention is short in production process and simple in equipment, can realize stable batch production to meet needs of large-scale production of the para-aramid nanofibers, has wide application prospects and can be applied to preparing a lithium-ion battery separator, a high-performance composite material and the like.

The invention relates to a 500 MPa level high-nitrogen composite microalloyed steel bar and a production method thereof. The 500 MPa level high-nitrogen composite microalloyed steel bar comprises thefollowing chemical components of, by mass, 0.18-0.25 parts of C, 0.40-0.80 parts of Si, 1.30-1.60 parts of Mn, less than or equal to 0.045 parts of P, less than or equal to 0.045 parts of S, 0.020-0.040 parts of V, 0.010-0.040 parts of Nb, 0.010-0.040 parts of Ti, 0.0090-0.0150 parts of N, and the balance iron and unavoidable impurity elements. In the production method, after the continuous casting process is completed, a continuous casting billet is heated to 1130-1250 DEG C and subjected to heat preservation for 90-150 minutes, and then cooled to 1020-1120 DEG C for rolling; after the rolling, water cooling is carried out with the water pressure being 0.1-0.5 MPa and the temperature of an upper cooling bed being controlled at 920-1010 DEG C; and the steel bar is naturally cooled after entering the cooling bed, so that the high-nitrogen composite microalloyed steel bar is obtained. The mechanical properties of the steel bar meet the requirements of the national standard, the production cost is low and a production process is simple and easy to implement.

The invention relates to a full penetration printing production process of 34-inch thick double-sided polar fleece. The process is characterized in that an entire set of optimal technical scheme of system engineering design is established through technical means such as weaving, dyeing and finishing and microscopic computer image analysis. The process comprises the following steps: weaving a blank; performing dyeing and finishing pretreatment on fabric; tentering and shaping the fabric before printing; performing microscopic computer image analysis; performing rotary screen printing, evaporation, washing and emulsification on the fabric; tentering and shaping the fabric after printing; galling, combing, shearing and fleecing; shaping billet. The process has the beneficial effects that 1, the difference value of printing and dyeing color yield percentage of front and back faces of the fabric is reduced, and the front and back faces of the finished product are attractive in color, and 2, the finished fabric is full, fluffy and soft in raising, the problem of hard handfeel of the thick double-sided fleece fabric is solved, and a high added value of the product is further improved. The fleece is most suitable for making middle and top grade thermal vests, jacks, underwear, (woolen) shirts, overcoats, bedding articles, carpets, gloves, scarves, hats, back cushions and the like.