34results about How to "Reduce the chance of delamination" patented technology

The invention relates to a solar cell backboard film, which is composed of outer layer, middle layer and inner layer materials. The material of the outer layer is olefin copolymer, the material of the middle layer is metallocene polyolefin, and the material of the inner layer is polyolefin. Wherein the outer layer of the solar cell back sheet, between the middle layer and the inner layer material, between the inner layer material and the EVA layer of the solar cell back sheet, and between the outer layer material and the middle layer PET of the solar cell back sheet due to the synergistic effect. It has tight composite fastness, which minimizes the chance of delamination of solar cell backsheets. Moreover, the materials of the outer layer, the middle layer and the inner layer of the solar battery backplane film have strong intermolecular forces among each other, thereby improving the water resistance and water vapor corrosion resistance of the solar battery backplane film.

A scribing method comprises collecting surface characteristic curve information, obtaining an inputted corrected parameter, generating depth change curve information according to the surface characteristic curve information and the inputted corrected parameter, and scribing according to the depth change curve information. Besides, a scribing device is further provided. The scribing method and the scribing device can reduce defective rate.

The present application discloses a solid-state bendable display panel and a display device, the display panel comprising: a first functional layer, an adhesive layer and a second functional layer stacked; a hollow deformable member located in the adhesive layer , and communicated with the viscous layer, the deformable member is provided with a flowable medium. Through the above method, the present application can reduce the probability of delamination between the adhesive layer and the adjacent functional layer.

The invention provides a multielement silane coupling agent-modified phenolic resin base combined disc brake pad and a preparation method thereof, and relates to the technical field of automobile parts.The brake pad is prepared from, by mass, 4-7% of organosilicone-modified phenolic resin, 2-4% of polyacrylonitrile carbon fibers, 2-4% of aramid pulp, 10-34% of potassium titanate lamellae, 5-18% of steel fibers, 2-6% of glass fibers, 3-10% of natural flake graphite, 3-10% of granulated coke, 0.5-1.5% of silicon dioxide, 25-40% of barite and 2.5-10% of a multielement silane coupling agent.The disc brake pad has the advantages of being good in interfacial compatibility, stable in friction coefficient and product quality, excellent in wear resistance and anti-noise performance and the like; besides, a material modification process and a mixing process are integrated in the preparation method of the disc brake pad, so that production efficiency is high, modification cost is lowered, and the process is simple.

The invention provides a variable frequency low speed mixer and a method for mixing materials with different stacking densities. The mixer comprises a main mixing chamber and an auxiliary mixing chamber, wherein the auxiliary mixing chamber is arranged in the main mixing chamber; a material mixing cover of the main mixing chamber is provided with a granular material feed port; the bottom of the main mixing chamber is provided with an impeller mechanism; the top of the auxiliary mixing chamber is provided with a powdery material feed port and a liquid material feed port; the wall of the auxiliary mixing chamber is provided with a liquid material discharge port and a plurality of powdery material discharge ports; the top of the auxiliary mixing chamber is provided with a liquid material temporary storage chamber which is communicated with the liquid material feed port and the liquid material discharge port; and by the method, the granular material or preliminarily mixed material is threw up by using the main mixing chamber and the powdery material or the liquid material is scattered in the main mixing chamber by using the auxiliary mixing chamber, so various materials with large stacking density difference are mixed uniformly. The mixer and the method can effectively prevent the phenomenon of non-uniform mixing of the materials, realize premixing with good effect and reduce the probability of demixing of the granular material and the powdery material while greatly shortening the mixing time.

The invention discloses a circuit board dismantling hot air fusion welding method for reducing chip delamination rate, comprising: sequentially dismantling the circuit board in the first heating chamber, the second heating chamber, the third heating chamber, the fourth heating chamber, The heating chamber and the fifth heating chamber are welded, wherein the temperature of the first heating chamber is 270-300 degrees Celsius, the temperature of the second heating chamber is 250-290 degrees Celsius, and the temperature of the third heating chamber is 270-300 degrees Celsius. The temperature of the chamber is 230-240 degrees Celsius, the temperature of the fourth heating chamber is 240-250 degrees Celsius, and the temperature of the fifth heating chamber is 230-240 degrees Celsius. By adopting the method, the delamination rate of the chip can be significantly reduced under the premise of ensuring that the circuit board is fully welded, thereby improving the reusability of the chip and having high economic benefits.

The invention provides a process for solving the delamination problem during graphene processing, which reduces the delamination rate of the die-cut product and ensures the quality of the product. It peels off the graphene self-contained film in advance before die-cutting, and then composites a release film with a double-sided adhesive layer on the back of the graphene. The upper surface of the double-sided adhesive layer is bonded to the back of the graphene. The graphene bonded with the release film on the double-sided adhesive layer is cut off by a knife die, and the gap area between two adjacent groups of products of different sheets is cut into a filled middle area by a knife die, and the filled middle area and its Interval adjacent products are not connected to each other.

The invention discloses a method for manufacturing an aluminum foil sealing film and belongs to the technical field of sealing film packaging. The method sequentially includes the processes of 1, composting, wherein one face of aluminum foil is coated with a bonding agent, a thermoplastic resin film is composted to the face, with the bonding agent, of the aluminum foil after the aluminum foil is dried, and a composite film is formed; 2, first curing, wherein the composite film is placed in a curing chamber to be cured; 3, warehousing, wherein the cured composite film is stored into a warehouse; 4, printing, wherein when printing is needed, the composite film is taken out from the warehouse, the non-composite face of the aluminum foil of the composite film is printed with selected characters or patterns with oil ink, and drying treatment is conducted; 5, varnishing, wherein the face printed with oil ink of the aluminum foil is coated with varnish; 6, splitting, the varnished composite film is split to be of the required size; and 7, packaging, wherein split composite films are packaged. By means of the method, the technical problems that an existing method for manufacturing an aluminum foil sealing film is long in manufacturing cycle, and the manufactured aluminum foil sealing film is high in layering rate are solved. The method has the beneficial effects of being short in manufacturing cycle, and the manufactured aluminum foil sealing film is low in layering rate.