34results about How to "Reduce paste" patented technology

The invention discloses an advanced four-side flat pin-free package and a manufacturing method thereof. The advanced four-side flat pin-free package comprises a chip carrier, pins, a metal material layer, an IC (Integrated Circuit) chip, insulated filling materials, a bonding material, a metal wire and a plastic sealing material, wherein the chip carrier is provided with a groove structure and the pins for grounding; and the pins are arranged in a package structure in a plane array form. The metal material layer is configured at the upper surfaces and the lower surfaces of the chip carrier and the pins; the IC chip is configured on the metal material layer at the upper surface of the chip carrier, or configured on the metal material layers at the upper surfaces of the pins; and the insulated filling materials are configured below stepped structures of the plurality of chips and a groove of the chip carrier. A package part is formed by coating and sealing the plastic sealing material; and the chip carrier and the external pins which are exposed out of the bottom surface of a package part structure are provided with protruded parts. According to the advanced four-side flat pin-free package and the manufacturing method thereof disclosed by the invention, the bottleneck of less I / O (Input / Output) is broken through and the reliability of the package is improved.

The invention relates to surface treatment technology for a fabric printing stock. Washing, drying, ironing, wiping, rolling and other working procedures are performed on the fabric printing stock, soflatness of the fabric printing stock is guaranteed, wool and dust dropping phenomena generated during subsequent printing are prevented, and filling in is prevented; and a layer of silicone oil is coated on the fabric printing stock, so softness, smoothness, elasticity and durability of the leveling effect of fabric can be improved, and a friction coefficient between fabric fibers is reduced, and possibility of filling in of printing technology in the later printing process is reduced. In addition, printing environment temperature is maintained at 20 DEG C to 25 DEG C, and humidity is maintained at 50% to 60%; if the temperature is high and the relative humidity is low, a volatile solvent in ink will evaporate quickly, and viscosity of the ink on a screen printing plate becomes high, andthen mesh holes are blocked; and, if the temperature is low, ink flowability becomes poor, and the filling in is also resulted in.

The invention discloses a computerized flat knitting machine, which comprises a needle bed base and a needle bed on the needle bed base. A rolling device which enables the needle bed (1) to easily reciprocate on the needle bed base (2) is disposed on the needle bed base (2). By means of the rolling device, displacement resistance of the needle bed (1) is reduced, power consumption of a motor controlling the needle bed (1) is reduced accordingly, and energy is saved.

The invention relates to a composite heat preservation outer wall system, and belongs to the technical field of energy-saving buildings. The composite heat preservation outer wall system comprises a building wall body, wherein the building wall body is sequentially provided with a heat preservation structure, a connecting assembly and a curtain wall structure from inside to outside; the heat preservation structure comprises a plurality of rock wool boards arranged on the outer side of the building wall body, a plurality of convex parts are arranged on the sides, away from the building wall body, of the rock wool boards, the convex parts extend in the vertical direction, the convex parts are arranged in the horizontal direction, concave surfaces are formed between the adjacent convex parts, waterproof base plates are fixed to the sides, away from the building wall body, of the convex parts and the concave surfaces, and fixing pieces and adhesives are arranged between the rock wool boards and the building wall body; and the connecting assembly is arranged at the convex parts, and the curtain wall structure is installed on the sides, away from the building wall body, of the waterproof base plates through the connecting assembly. According to the scheme, the heat preservation performance of the building wall body can be effectively improved, the phenomenon that the rock wool boards fall off is effectively reduced, the service life of the heat preservation outer wall system is prolonged, and heat preservation and energy conservation of the building are achieved.

The invention discloses a design method and a manufacturing method of a shell-shaped tooth appliance, solves the problem that the existing shell-shaped tooth appliance is insufficient in retention, particularly insufficient in retention for teeth with short and small dental crowns, improves the correction curative effect of the shell-shaped tooth appliance, does not affect the appearance while increasing the retention of the short and small teeth, and has a good application prospect. Meanwhile, the purpose of improving the invisible correction treatment effect and the satisfaction degree of the patient is achieved. The design method of the shell-shaped tooth appliance comprises the following steps: acquiring a digital tooth jaw model, cutting the digital tooth jaw model, virtually designing a correction plan, and designing a digital model of the shell-shaped tooth appliance. The shell-shaped body of the shell-shaped tooth appliance is also provided with an auxiliary retention part between the cavities for accommodating two adjacent teeth, and the auxiliary retention part is provided with a geometric structure for providing retention force for enabling the shell-shaped body to stably wrap the plurality of teeth. The manufacturing method is used for manufacturing the shell-shaped tooth appliance based on the design method.

The invention discloses an advanced four-side flat pin-free package and a manufacturing method thereof. The advanced four-side flat pin-free package comprises a chip carrier, pins, a metal material layer, an IC (Integrated Circuit) chip, insulated filling materials, a bonding material, a metal wire and a plastic sealing material, wherein the chip carrier is provided with a groove structure and the pins for grounding; and the pins are arranged in a package structure in a plane array form. The metal material layer is configured at the upper surfaces and the lower surfaces of the chip carrier and the pins; the IC chip is configured on the metal material layer at the upper surface of the chip carrier, or configured on the metal material layers at the upper surfaces of the pins; and the insulated filling materials are configured below stepped structures of the plurality of chips and a groove of the chip carrier. A package part is formed by coating and sealing the plastic sealing material; and the chip carrier and the external pins which are exposed out of the bottom surface of a package part structure are provided with protruded parts. According to the advanced four-side flat pin-free package and the manufacturing method thereof disclosed by the invention, the bottleneck of less I / O (Input / Output) is broken through and the reliability of the package is improved.

The invention discloses a tetraodotoxin deratizing poison bait which consists of one or more of tetraodotoxin, tetraodotoxin bacterial broth, internal organs of globefish, blood of globefish or ovary of globefish. The bait material consists of one or more of rotten rice, swill-cooked dirty oil and peanut cakes or bean cakes after oil expression. The tetraodotoxin deratizing poison bait is reliable in virulence, definite in toxicity, good in deratizing effect, and easy to degrade, and free from toxic pollution, residuals and secondary poisoning. The components are recycled resources and simple and easy to obtain. In the preparation process of the deratizing poison bait, water liquids are not doped, so that the poison bait is good in dissolubility and palatability.

The invention relates to a holding device for holding substrates, such as circuit boards, metal plates, films, etc., said holding device comprising a suction surface, wherein the suction surface has a plurality of suction nozzles and wherein the suction nozzles can be provided by means of a negative pressure supply device Loading a negative pressure relative to ambient pressure to provide a holding force for one or more substrates, wherein the negative pressure providing means provides a negative pressure such that the cumulative pressure drop from all adsorption nozzles and all adsorption nozzles and adsorption nozzles up to the negative pressure The proportion of the cumulative pressure drop of the feed line supplying the device is greater than 0.25%, in particular greater than 1%, preferably greater than 25%, especially greater than 35%, preferably greater than 40%.

The invention discloses a composite foam basalt cast stone slab and a preparation process thereof. The preparation process comprises the following steps: (1) preparing a base material and auxiliary materials as raw materials for producing cast stone slabs; (2) cutting the foam basalt into the required size, put into the mold and heat to 500-600°C; (3) melt the raw materials for producing cast stone slabs at high temperature and pour the melted cast stone magma onto the foam basalt surface in the mold; (4) cast stone magma After the surface is solidified, demoulding is performed to obtain a composite board, and the composite board is crystallized and annealed to obtain a composite foam basalt cast stone board. The impact resistance of the cast stone plate can be improved by adopting the preparation process, and the bonding strength of the cast stone plate can be enhanced, and the cast stone plate has the characteristics of high temperature resistance and corrosion resistance.

An photosensitive element comprising: a substrate film (10) which has a haze of 1.0% or less and has a surface resistance of 10 O or less on its second main surface (14) opposed to a first main surface (12) thereof; and a layer (20) which comprises a photosensitive resin composition and contains a binder polymer comprising a compound represented by the general formula (I) and (meth)acrylic acid as monomer units, a photopolymerizable compound, and a photopolymerization initiator. H2C=CR-COOR (I) wherein R represents a hydrogen atom or a methyl group; and R represents an alkyl group having 3 to 7 carbon atoms.

The invention discloses a computerized flat knitting machine, which comprises a needle bed base and a needle bed on the needle bed base. A rolling device which enables the needle bed (1) to easily reciprocate on the needle bed base (2) is disposed on the needle bed base (2). By means of the rolling device, displacement resistance of the needle bed (1) is reduced, power consumption of a motor controlling the needle bed (1) is reduced accordingly, and energy is saved.

The invention relates to a holding device for holding substrates such as printed circuit boards, metal sheets, foils or the like, comprising a suction surface, the suction surface having a plurality of suction nozzles and the suction nozzles being subjected to a negative pressure relative to the ambient pressure by means of a device providing negative pressure for providing a holding force for oneor more substrates, wherein the device providing negative pressure provides negative pressure, such that the ratio of the cumulated drop in pressure of all suction nozzles to the cumulated drop in pressure of all suction nozzles and supply lines of the suction nozzles up to the device providing negative pressure is greater than 0.25%, in particular greater than 1%, preferably greater than 25%, inparticular greater than 35%, preferably greater than 40%.