41 results about "Stripping membrane" patented technology

The invention relates to a fan-out system in a package (SIP) method. The method comprises the following steps: providing a support plate; forming a stripped membrane on the support plate; forming protective layers on the stripped membrane and forming re-wiring metal layers in the protective layers; forming wiring packaging layers conducted with the re-wiring metal layers on the protective layers and forming wire bonding packaging layers on the wiring packaging layers; and removing the support plate and the stripped membrane to expose the re-wiring metal in the first protective layers and forming metal solder balls on the exposed re-wiring metal, wherein the packaging layers are electrically connected with each other. Compared with the prior art, the method which the invention requests to protect has the following beneficial effects: the final packaged products having the functions of the whole system instead of the functions of the single chip can be formed; the interference factors among the resistors, inductors and chips in the system are reduced; and besides, the more complex multilayer interconnection structure can be formed and higher integration level wafer SIP can be realized.

The invention relates to a fan-out high-density packaging method, which comprises the following steps of: providing a carrier plate; forming a stripping membrane on the carrier plate; forming protective layers on the stripping membrane; forming a rewiring metal layer in the protective layers; forming wiring packaging layers which are conductive with the rewiring metal layer on the protective layers; forming inversion packaging layers on the wiring packaging layers, wherein the packaging layers are connected electrically and mutually by wiring layers and welding flux salient points; removing the carrier plate and the stripping membrane, so that rewiring metal in a first protective layer is exposed; and forming a metal welded ball on the exposed rewiring metal. Compared with the prior art, the fan-out high-density packaging method has the advantages that: a final packaging product with an integral systemic function instead of a single chip function can be formed, and the resistance and inductance in a system and interference factors among chips are reduced. In addition, a complex multi-layer interconnection structure can be formed, so that the wafer system-level packaging of a higher integration level is realized.

The invention relates to the field of lamination equipment, in particular to a full-automatic laminator. The full-automatic laminator comprises a frame. A feeding mechanism used for conveying material membranes is arranged on the frame. A membrane stripping mechanism used for stripping membranes to be pasted among the material membranes is arranged on the frame and located at the output end of the feeding mechanism. A membrane transfer mechanism used for transferring the stripped membranes to be pasted is arranged on the frame and located at the output end of the membrane stripping mechanism. A waste recovery mechanism used for recovering stripped waste is further arranged on the frame and located at the output end of the membrane stripping mechanism. The frame is further provided with a membrane pasting mechanism used for pasting the membranes to be pasted onto workpieces in cooperation with the transfer mechanism. Compared with manual membrane pasting and membrane pasting through an existing laminator, the full-automatic laminator has the advantages that manual intervention is not needed, manual membrane pasting on a production line is replaced, and the labor cost is lowered; the membrane pasting speed is increased, and the productivity of the production line is improved; the use number of single auxiliary material pieces is reduced; the bad phenomena of deviation, pasting missing, scratches, damage, unevenness (wrinkles) and the like in the manual membrane pasting process are avoided, waste of auxiliary materials is reduced, and the utilization rate of the auxiliary materials is increased.

In the method, sulfonated polymer is dissolved in organic solvent. Added organic modified montorillonite clay is dispersed on basal body of polymer evenly. Membrane is formed through slobbering method. Through drying and stripping membrane in water produces membrane needed. Solving difficult problem of methanol infiltration of proton exchange membrane in use for direct fuel cell of methanol, the invention possesses features of simpler technique, and low cost of material etc.

The invention relates to an improved hyposmosis/super-hyposmosis oil extraction sewage reinjection method in an oil field, which is characterized in that a combination strain of Zoogloea sp, Bacillus cereus and Pseudomonas alcaligenes mainly for removing oil and a combination strain of Brachybacteriumcollins Bacillus licheniformis Bacillus subtilis and Pseudomons sp for mainly degrading organic pollutants are respectively attached in an aerobic pool, and suspension filling with density of 65-85V/V% and/or separatly arranged suspension filling and biological aerated filter filling are filled and treated in sequence, wherein a separation membrane is a fiber membrane or vacuum membrane or gas stripping membrane or vibration membrane meeting the requirement on filtration, and the fine filtration is diatomite filtration. The synergistic effect of the process greatly improves the preprocessing effect to ensure that the follow-up membrane separation can adopt conventional economic separation treatment such as the hollow fiber membrane or vacuum membrane or gas stripping membrane or vibration membrane, or adopt the diatomite filtration. Compared with the prior art, the invention has the advantages of short treatment period and low investment and treatment cost.

The invention provides a high resistance and high temperature braising and cooking tearable membrane. The invention is characterized in that the invention consists of three layers of macromolecule material with good compatibility and close molecule structure, with the external layer is modified polyalkenes, the middle layer is multi-copolymerized polypropylene and the internal layer is terpolymer (ethene-ethylene-propylene butene). The modified polypropylene is metallocene modified polypropylene. The modified polypropylene occupies the proportion of 20% to 25%, the multi-copolymerized polypropylene occupies 50% to 60%, and the ethene-ethylene-propylene butene copolymer occupies 20% to 25%. The invention has extremely good biological inertia innocuity and is suitable for food packages; the invention does not generate the deformation, has wide applicable range, ensures the storages of convenient foods, children food, jelly, soft can, etc. not to be mortified or deteriorated, and reaches the requirement of asepsis (F0 is more than 8); the invention does not generate poisonous matters in the application and recovery process, has no pollution and belongs to environmental protective product.

An apparatus for holding trash bags and facilitating trash pick up includes a bag holding base ring and interchangeable insert ring and opening ring which selectably attach to the base ring. The trash bag is secured between the opposing pairs of rings, which are each attachable to a waist belt worn by the user or can be carried individually by an attachable handle. The insert ring also includes a stripping membrane along a top surface to remove the refuse from a trash picker and retain it inside the bag.

The invention relates to a fast preparation method of a wound lithium-ion laminated battery. The method comprises the following steps: (1) selecting a plurality of cut single positive pole pieces, single negative pole pieces and a strip membrane for later use; (2) sequentially arranging the single positive pole pieces and the single negative pole pieces on the surface of the membrane in an order of the single positive pole piece, the single negative pole piece, the single negative pole piece and the single positive pole piece as units and forming a composite pole piece in a fixed manner; and (3) winding the composite pole piece through a winding needle, and mutually stacking the wound single positive pole pieces, membrane and single negative pole pieces to form the laminated battery. By the fast preparation method of the wound lithium-ion laminated battery, the wound lithium-ion laminated battery is formed by stacking the positive pole pieces and the negative pole pieces in a winding manner; the minimum structure unit of the wound laminated battery is the single positive pole pieces and the single negative pole pieces; the fabricating, cutting, fixing and transferring steps of a multi-layer structure unit are omitted; the gummed membrane adopted by the method is a continuous un-cut whole body; and the manufacturing efficiency of the laminated battery is improved.

The invention discloses a novel coating membrane material used for a tarpaulin clamping strip and a preparation method of the novel coating membrane material. The novel coating membrane material used for the tarpaulin clamping strip comprises a wicking-resistant base cloth layer, a first PVC coating, a second PVC coating, a third PVC coating and a polyurethane printing layer, wherein the front side of the wicking-resistant base cloth layer is coated with the first PVC coating, the back side of the wicking-resistant base cloth layer is coated with the second PVC coating, the surface of the first PVC coating is coated with the third PVC coating, and the surface of the second PVC coating is coated with the polyurethane printing layer; the wicking-resistant base cloth layer is made of wicking-resistant base cloth. According to the novel coating membrane material, the wicking-resistant base cloth is coated with the first PVC coating and the second PVC coating, so that the effect of fixing yarn to the clamping strip membrane material is achieved, the phenomena of yarn loosening and filament falling occurring in the processing process of the clamping strip membrane material are reduced, the operation speed is raised, and operation convenience is improved, The surface of one of the PVC coatings is coated with the polyurethane printing layer, so that waterproofness, the anti-mold property and wear resistance of the clamping strip membrane material are improved, and the service life of a tent is directly prolonged.

The invention provides a manufacturing process of a single panel gold finger. The gold finger comprises: a top cover membrane layer arranged on an upper layer, a pure copper foil layer arranged in the middle and a bottom cover membrane layer arranged on the bottom. An opening is arranged on the bottom cover membrane layer. The manufacturing process comprises the following steps: a joint step: sticking a PI adhesive tape which is larger than the opening on the opening of the cover membrane layer; a laminated step: laminating the gold finger and the PI adhesive tape together, sticking the top cover membrane layer on the laminated product and then carrying out lamination; an evulsion step: evulsing the laminated PI adhesive tape; a processing step: processing on the top cover membrane layer and the opening of the bottom cover membrane layer. By using the manufacturing process of the invention, deformation and corrugation of the hollow finger during a process of after etching line stripping membrane to laminated top cover membrane in this kind of products can be avoided. A production yield rate of the products can be substantially increased.

The coating method for bicycle is characterized by that it utilizes the decal paper formed from protective layer, stripping membrane layer, printing ink layer and base paper, and adopts the steps of soaking in clear water, scouring and scraping with clear water and progressively high-temp. baking, and spraying oil so as to obtain excellent coating effect, and the characters, brand and pattern have strong adhesive force and strong wear resistance.

The invention provides a manufacturing method of a printed circuit board with a blind hole instead of a back drill hole, comprising the following steps: S1, cutting and preparing each inner layer plate; etching and removing copper at an isolation position to form an isolation region; S2, preparing a multi-layer production board; S3, drilling blind holes in the corresponding blind hole position onthe multi-layer production board, and drilling through holes in the multi-layer production board; S4, adopting a copper plating and whole-plate electroplating process to make the through holes in themulti-layer production board metallized; S5, using a whole-plate hole filling electroplating process to plate copper on the blind holes so as to metallize the blind holes; S6, manufacturing an outer layer circuit pattern on the multi-layer production board, and electroplating copper and electroplating tin; S7, stripping membrane and manufacturing a cover hole pattern on the multi-layer productionboard for blocking the hole port of the blind hole; S8, removing a copper plane exposed on the multi-layer production board by etching; then, removing the tin and manufacturing an outer-layer circuiton the multi-layer production board; S9, manufacturing a finished product of the printed circuit board. The invention further provides a printed circuit board with the blind hole instead of the back drill hole.

A stripping membrane for preparing the ceramic substrate of printed circuit by coating ceramic paint on it and then stripping the ceramic paint layer from it, and its preparing process are disclosed. The obtained ceramic substrate has high size and shape precision. Said stripping membrane is prepared through coating it on at least one surface of basic membrane in such manner that there are two non-coated ends on said basic membrane and coating the oily ink on said stripping membrane and said non-coated ends.

The invention discloses a recycling method of catalyst from membrane electrode, which comprises the following steps: contacting the membrane electrode and solvent to swell the base material; stripping base material of membrane electrode; recycling catalyst from membrane electrode with base material stripped; making the base material of membrane electrode as proton exchange film as macromolecular material. The invention can strip membrane electrode form base material completely to recycle, which simplifies the stripping course.

The invention discloses an ultrasonic stripping-membrane distillation technology combined landfill leachate treatment system and method. The system comprises an ultrasonic stripping tank and a membrane distillation system, wherein the membrane distillation system comprises a first sewage pump, a membrane distillation heating tank, a membrane distillation reactor, a condenser and a clean water tank which are connected in sequence; the ultrasonic stripping tank is located between the membrane distillation heating tank and the membrane distillation reactor; the ultrasonic stripping tank, the membrane distillation heating tank and the membrane distillation reactor are connected in sequence through pipelines to from a circulating loop; the membrane distillation reactor, the condenser and the clean water tank are connected in sequence through pipelines to from a circulating loop; the method comprises the following steps: introducing landfill leachate into the membrane distillation heating tank; after raising the temperature, regulating the pH (Potential of Hydrogen) value; the introducing the landfill leachate into the ultrasonic stripping tank and pre-treating; then introducing the landfill leachate into the membrane distillation reactor and further carrying out purification treatment. According to the ultrasonic stripping-membrane distillation technology combined landfill leachate treatment system and method, the removing rate of ammonia nitrogen in the landfill leachate reaches 99 percent or more and water is highly purified; the limitation of a membrane distillation technology on ammonia nitrogen interception is made up.

The present invention relates to an etching production technology of a wandering star wheel sheet, which comprises the process of the design, plate making, feeding, washing, ink coating, drying, exposure, developing, curing, etching, stripping membranes, cleaning, inspection and packaging. The present invention aims to provide an etching production technology of the wandering star wheel sheet; the precise etching method is adopted; the processing precision of the wandering star wheel sheet is high; the edges of the product are relatively smooth; the yield rate of the wandering star wheel sheet is improved; and the production cost is reduced. Because the present invention is suitable for medium- and small-scale production and has excellent consistency, the traditional blanking processing method for fine parts can be replaced by the etching production technology of the wandering star wheel sheet.

The invention provides an efficient photoetching manufacturing method of a ferrite base membrane circuit. The efficient photoetching manufacturing method comprises the steps of: (1) selecting a proper ferrite base material according to the requirement of a prepared device as expected; carrying out metalizing, washing and drying on a base; (2) repeatedly gluing and baking the ferrite base which is cleaned and coated with a metal membrane layer, so as to obtain an uniform and dense slushing compound layer which can well protect metal at the bottom layer on a ferrite base sheet; (3) exposing and developing the baked slushing compound to obtain a circuit pattern of the slushing compound; and (4) transmitting the circuit pattern of the slushing compound on the metal through using a wet etching way or dry etching way, so as to achieve the manufacture of the ferrite base micro-strip membrane circuit. The invention provides a method for repeatedly gluing and baking a ferrite base, and therefore, the coated slushing compound layer is uniform and is good in compactness, and the problem that the slushing compound is hardly uniformly coated during photoetching due to the shortcomings that the ferrite base is coarse, porous and the like can be solved; the probability that a pin hole, a sand hole and the like are generated can be reduced, and thus, the steps of manually repairing the pattern in the conventional ferrite membrane circuit manufacture technology can be removed; and as a result, the technological stability and the manufacture efficiency of a ferrite base membrane device can be greatly improved.

The invention discloses an electrical heating compound material for measuring temperature, which comprises 6~9% weight percentage multi-walled carbon nanotubes, 91~94% weight percentage high density polyethylene. The method for making the compound material comprises: weighing multi-walled carbon nanotubes powder and high density polyethylene in proportion; mixing them and placing them into a model; pre-heating 5~20 minutes in 165~180 centigrade, pressing 5~20 minutes under 5~30 MPa pressure; stripping membrane and cooling to room temperature. The inventive compound material takes high density polyethylene as base, multi-walled carbon nanotubes as additive, which make the compound material has great conductivity and electrical heating performance and be used to temperature measurement in a certain temperature range.

The invention discloses a production process of a temperature-sensitive stripping membrane. The production process comprises the following steps of: A, producing a temperature-sensitive stripping bonding agent; B, processing a stripping layer: coating organic silicon oil onto one face of a polyester film to obtain a stripping layer; C, coating a temperature-sensitive stripping layer: coating the temperature-sensitive stripping layer bonding agent onto one surface of a substrate; and D, compounding and calendaring: compounding and calendaring the stripping layer onto the substrate which is coated with the temperature-sensitive stripping bonding agent, bonding one surface of the stripping layer which is coated with organic silicon oil with one surface of the substrate which is coated with the temperature-sensitive stripping bonding agent, and coiling. The production process has the advantages: during use, a special temperature-sensitive stripping bonding agent is foamed by heating to a specified temperature, and adhesive force of an adhesive belt disappears instantly, so that stripping is realized. Natural stripping can be realized without stressing, so that workpieces are not damaged or polluted, labor face is saved, conventional cleaning operation is avoided, and the utilization ratio of raw materials is increased.

The present invention discloses compound Chinese medicine preparation for treating hyperplasia of mammary glands and its preparation process and quality control method. The compound Chinese medicine is prepared with green tangerine orange peel, bupleurum root, fried cowherb seed, burreed rhizome, zedoary and other six kinds of Chinese medicinal materials, and through alcohol extraction, concentration, adding supplementary material, heating to dissolve and obtain extractum, painting, and stripping membrane as the adhered membrane. The present invention also provides the quality control method including component identification and content measurement. The membrane of the present invention has the functions of inhibiting hyperplasia, removing blood stasis, dissipating mass, relieving pain, lowering estradiol content in blood serum and plasma viscosity and reducing platelet aggregation and is effective medicine for hyperplasia.