58281results about How to "Improve product quality" patented technology

A fabrication method of a package structure includes: preparing a metal plate having first and second surfaces and defined with an active region; forming a wiring layer with conductive traces and first electrical contact pads on the first surface; forming third electrical contact pads corresponding to the first electrical contact pads on the second surface; forming a first encapsulant on the first surface; forming on the second surface an open area to penetrate the metal plate, wherein the metal plate form conductive posts between the first and third electrical contact pads; mounting in the open area a chip electrically connected to the wiring layer; forming a second encapsulant in the open area, the wiring layer and the third electrical contact pads; forming first and second openings in the first and second encapsulants to expose the third electrical contact pads, respectively; and cutting the metal plate to remove the metal layer.

The invention discloses a special biological fish fertilizer and a preparation method for the fertilizer used in aquiculture; wherein, the biological fish fertilizer mainly comprises raw materials as follows: microbiological preparation, inorganic fertilizers, fermentation organics, micro-mineral amino acid chelate, mineral composites, and water quality improver. The preparation method for the special biological fish fertilizer in aquiculture comprises steps as follows: microbiological preparation is produced; fermentation organics is then produced, and the micro-mineral amino acid chelate is produced, eventually the finished products are made. The special biological fish fertilizer has the advantages of limiting the growth and reproduction of the harmful algae, promoting the large-scale growth and reproduction of the suitable food for fish, effectively improving the water quality and purifying the water environment, strengthening the fish immunity, reducing the diseases, reducing cost due to the small use level, convenient use, mild odor, no pollution to the water, and environment protection. By combining the modern bioengineering technique, low-temperature drying technique, spray-drying technique, and super-fine crushing techniques, the preparation method has the advantages of stable quality for the fish fertilizers and lower overall cost.

Developing decision-making skills of a user through practice in a simulated environment comprises defining a simulated situation to be influenced by the user including a set of objects that are represented by an attribute-characteristic representation, presenting information concerning a current state of the simulation, obtaining decisions from the user that at least partially determine object designs to be evaluated, evaluating an object design using a value function having multiple optima, updating the simulation with the results from the evaluation, and permitting continued practice by selectively repeating several of these steps. A system executes simulation software that simulates such a situation on a processor, and includes evaluation software for selecting and evaluating design objects by applying a value function having multiple optima. At least one terminal and communication links are provided for information transfer and implementation of the simulated situation. Diagnosis of the user's cognitive approach is also disclosed.

The present invention discloses one kind of continuous long fiber reinforced fire-retardant thermoplastic resin and its preparation process. It is prepared through mixing continuous long fiber reinforced thermoplastic resin agglomerate, which has reinforcing fiber content of 30-80 wt% and agglomerate length of 3-30 mm, and fire-retardant agglomerate, which has thermoplastic resin as carrier, fire retardant in 20-60 wt%, fire-retarding synergist 5-20 wt% and other additive 0-5 wt%. The continuous long fiber reinforced fire-retardant thermoplastic resin has continuous long fiber content of 5-60 wt%. The continuous long fiber reinforced fire-retardant thermoplastic resin has excellent mechanical performance, especially impact resistance, and excellent fire-retarding performance.

The invention discloses a system for visually detecting workpiece appearance defects based on image processing, comprising an industrial personal computer, a coaxial light source, a CCD (charge coupled device) industrial camera, an image acquisition card and a rejecting mechanism; both the coaxial light source and the rejecting mechanism are connected with the industrial personal computer; the CCD industrial camera is connected with the industrial personal computer through the image acquisition card; wherein the coaxial light source is used for providing a diffuse reflection light source for a workpiece to be detected; the CCD industrial camera is used for taking an image of the workpiece at a detection station; the rejecting mechanism is used for rejecting from a production line, workpieces detected to be defective; the industrial personal computer has a defect detection module based on image processing; the system is high in detection efficiency and easy to implement.

A method of selecting a sensor in a semiconductor manufacturing process is provided. The method includes measuring responses of a plurality of sensors when a first of a plurality of process conditions is varied, identifying one or more of the sensors having a steady state response after the first of the process conditions is varied, and selecting a sensor having a highest value within a response range from among the sensors having the steady state response for the first process condition that is varied. This methodology may be performed for multiple different process conditions. Thus, when process conditions in multiple processes of manufacturing a semiconductor device are varied, sensors having a steady state response can be selected from among multiple sensors for detecting abnormalities in the processes.

The process of producing sodium sulfate and sodium chloride in a Na2SO4-NaCl-H2O system belongs to the field of mixed inorganic solution evaporating separation technology. Mixed solution of sodium sulfate and sodium chloride as material is first evaporated and then separated to obtain sodium sulfate, sodium chloride and evaporated mother liquor; the evaporated mother liquor is low temperature evaporated and separated to obtain sodium chloride and salt-making mother liquor; and the salt-making mother liquor is evaporated and separated to obtain sodium sulfate and saltpeter-making mother liquor. The present invention has the features of high main and side product quality, high material adaptability, low cost, low cost, no waste draining, etc.

Echogenic devices, and methods of making and using such devices, are disclosed. In one aspect, the devices include a porous polymeric material that is preparable by extracting a phase separated composition. In another aspect, the echogenic devices include a polymeric composition having porous particles therein. Preferably the devices are medical devices.

The invention discloses a preparation method of graphene-polyester nano-composite fiber. The preparation method comprises the step of preparing graphene-terylene polyester composite master batch and the step of preparing the graphene-polyester nano-composite fiber from the composite master batch. Compared with other conventional methods, the preparation method has the advantages that the technology is extremely simple, the reinforcing material is excellent in performance and low in cost; besides, excellent mechanical property and functional characteristics of graphene self endow the nano-composite fiber with functionalities like high strength and antistatic property, surface-modified and modified graphene has good dispersity and perfect interfacial compatibility in terylene polyester polymer matrix, which enables graphene to be effectively and uniformly compounded with a terylene polyester chip base material.

The invention discloses a workpiece apparent defect detection method based on machine vision. Firstly, a visual system is used for guiding a robot, the pose of a target workpiece is precisely positioned according to a template matching algorithm based on a gray value, and then workpiece apparent defect detection is carried out and comprises the steps that firstly, a workpiece image is acquired and pretreated through median filtering; secondly, the target workpiece is divided through a global threshold value, and workpiece pose correction is carried out; thirdly, burr interference of the edge of the workpiece is removed through mathematical morphology open operation; fourthly, notches, material sticking, cracking, indentation, needle eyes, scratches and foaming apparent defects are detected. The method solves the problems that the artificial detection speed is slow, the efficiency is low and precision is poor; the problems that according to current vision detection, defect types are singular, the imaging quality is poor, and the false drop rate is high are solved, and the automation degree of precise workpiece production and product quality are improved.

The invention relates to a method for producing copper chloride hydroxide and blue vitriod by using cupriferous etching wastewater; the method comprises the following steps: acidic copper chloride etching wastewater and alkaline copper chloride etching wastewater are neutralized and crystallized to get acidic copper chloride crystal under the condition of strictly controlling filling liquid and the Ph range of a reaction kettle, and then pumped and filtrated, and centrifugated; part of the obtained alkaline copper chloride crystal is dried to obtain finished products while the other is added with NaOH solution for alkali conversion to obtain copper oxide, and then is acidulated by sulphuric acid, crystallized, washed, centrifugated, and dried to obtain blue vitriod products. The method for producing blue vitriod by directly using sulphuric acid-oxyful etching wastewater includes the following steps: sulphuric acid-oxyful etching wastewater and composition brass wasterwater in a PCB manufacture are blended together and added with NaOH to form cupric hydroxide precipitation which filtrated, washed, and then acidulated by sulphuric acid to obtain copper sulphate solution; after the copper sulphate solution is cooled, crystallized, centrifugated and dried, and the blue vitriod is obtained.

The invention provides novel active material represented by the general formula Li_aMI_1-yMII_yPO₄, wherein MI is selected from the group consisting of Fe, Ni, Mn, V, Sn, Ti, Cr, and mixtures thereof; MII is selected from the group consisting of Zn, Cd, and a mixture thereof; a is about 1; and 0<y<1, which, upon electrochemical interaction, releases lithium ions, and is capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed from the novel active material, wherein MI is selected from the group consisting of Fe, Co, Ni, Mn, Cu, V, Sn, Ti, Cr, and mixtures thereof. Methods for making the novel active material and methods for using such a material in electrochemical cells are also provided.

The invention relates to a hydrocracking catalyst with high activity and high-medium oil selectivity. According to the hydrocracking catalyst, amorphous silicon aluminum is used as a carrier, and a specially-modified Y-type molecular sieve is used as acid component, the molecular sieve has high degree of crystallization and low cell parameters, rich secondary holes, large surface area, less uniformly-distributed acid sites, no strong acid center, and most of medium-strength acid centers, and also has strong nitrogen-resisting performance and better damage capacity; and the hydrocracking catalyst using the molecular sieve has high hydrocracking activity and high middle oil selectivity, and stronger nitrogen resisting capacity. The catalyst provided by the invention is used in the process of producing an intermediate distillate product by adopting a heavy hydrocarbon single-section or one-section hydrocracking process, and has better activity and middle oil selectivity.

An automatic soldering machine for soldering wires, each exposing at least one core wire and electronic components with at least one soldering portion respectively is disclosed. The automatic soldering machine comprises an equipment, a delivery mechanism, a plurality of clamps, a feeding mechanism, an insulation removing mechanism, a soldering mechanism, an unloading mechanism and a programmable control system. The delivery mechanism delivers the wires. The clamps locate the wires. The feeding mechanism conveys the electronic components. The insulation removing mechanism cuts the core wires and strips insulations at tops of the core wires. The soldering mechanism solders the core wires and the soldering portions of the electronic components. The unloading mechanism separates the soldered electronic components and core wires off from the clamps. The programmable control system is connect to the aforesaid mechanisms and controls thereof with high production efficacy and stable production quality.

The invention is concerned with the solid product of roxburgh rose juice and the preparation method, it is: prepares the roxburgh rose juice or combined roxburgh rose juice to be granule, tablet, capsule or effervesce agent in order to improve the stability of vitamin C, vitamin p and superoxide dismutase in it, and reduce the nutritive value loss of roxburgh rose juice. The preparation method is: 1) prepares clear roxburgh rose juice; 2) prepares roxburgh rose condensing juice; 3) adds 1% -50% accessories into the clear roxburgh rose juice or roxburgh rose condensing juice; 4) gets grains by wet-process, or makes instant powder of roxburgh rose then gets grains by wet-process; 5) the above grains dry at the temperature of 30 centigrade - 70 centigrade in order to get the solid products.

The invention discloses a method for preparing monopotassium phosphate by using wet-process phosphoric acid. The method comprises the following steps: reacting carbonyl diamide and wet-process phosphoric acid to obtain an intermediate; reacting the intermediate and potassium hydroxide to prepare a monopotassium phosphate product. The method has the advantages of short process route, low energy consumption, stable product quality, low production cost, convenience in operation and safety in production. A side product, namely, slurry can be recycled completely, an entire production process is environment-friendly, clean and free from pollution, and no waste gas, waste water or waste residues are discharged. A response is made to the policy calling of energy saving, emission reduction and clean production, the problems of complex process, instable product quality, high energy consumption and environmental pollution existing in the prior art are solved, and the purity of the obtained monopotassium phosphate product is more than or equal to 98 percent.