30results about How to "To insulate" patented technology

The invention relates to a polyurethane pouring sealant. The polyurethane pouring sealant comprises the following raw material components in parts by weight: 100-350 parts of polyether polyol, 40-70 parts of isocyanate, 20-60 parts of plasticizer and 0.01-0.5 parts of catalyst and is prepared by a method comprising the following steps: (a) mixing the polyether polyol with the plasticizer in the proportion and placing the mixture in a closed container, vacuuming for 1-3 hours while rotating at the temperature of 100-130 DEG C, and then cooling to 35-60 DGE C; and (b) mixing the isocyanate, the catalyst with the product prepared in the step (a) in the proportion and then placing the mixture in the closed container, stirring at high speed and vacuuming for 1-10 minutes, and stopping stirring when the pouring sealant releases a small amount of heat and is semitransparent. The polyurethane pouring sealant has excellent flowability and low viscosity, and is easer to penetrate to tiny apertures, thereby being beneficial to tight filling inside a poured material.

The invention discloses a lightweight, high-strength and high-toughness foamed ceramic decorative integrated board. The board comprises a foamed lightweight material layer, a high-toughness decorativesurface layer and a wear-resistant coating layer; the foamed lightweight material layer comprises stone tailings, graphene, zirconia, a high-temperature flux, clay, a stabilizer and a dispergator; and the high-toughness decorative surface layer includes an AC foaming agent, the stabilizer, calcium carbonate, high-strength resin, a processing aid and a lubricant. The wear-resistant coating layer comprises graphene, silicon carbide whiskers, corundum powder, vermiculite, kaolin, a flame retardant, nanometer titanium dioxide, sodium phosphate, sodium silicate, hydroxyethyl cellulose, a silicone-acrylic emulsion and silica sol. The high-toughness decorative surface layer made from soft porcelain and the foamed lightweight material layer are bonded by compression molding, and the surface of the high-toughness decorative surface layer is coated with the wear-resistant coating layer, so the board has the advantages of good toughness, light weight, high strength, flame retardation, thermal insulation, good waterproof and impermeable effects and good anti-aging effect.

The invention provides health radix tetrastigme tea and a preparation method thereof. The health radix tetrastigme tea comprises the following raw materials in parts by weight: 60-80 parts of radix tetrastigme leaves and radix tetrastigme cirrus in all, and 20-40 parts of tubers and roots of the radix tetrastigme. The preparation method comprises the following steps: dewatering and drying all raw materials in a constant-temperature drying oven at 50-80 DEG C; and carrying out superfine grinding on the dried materials so as to prepare ultramicro powder. According to the health radix tetrastigme tea provided by the invention, leaves of the radix tetrastigme are utilized; and the tubers and roots of the radix tetrastigme can be effectively utilized, so that the radix tetrastigme plant is free of a leaking part; and the plant is effectively utilized. According to the preparation method of the health radix tetrastigme tea provided by the invention, drying is carried out at 50-80 DEG C, so that the damage to effective components such as rhamnosylvitexin, isovitexin rhamnoside, isovitexin and vitexin in the raw materials caused by high temperature is avoided; and the effective components are reserved to the maximal extent.

The invention provides a closed-loop Hall current sensor, belongs to the technical field of sensors, and solves problems that existing sensors are poor in anti-interference capacity. The closed-loop Hall current sensor comprises an insulating shell. The insulating shell is internally hollowed so that an accommodating cavity is formed. An annular magnetic core is transversely arranged in the accommodating cavity. The external surface of the annular magnetic core is provided with coils. The annular magnetic core is provided with a notch penetrating through the annular magnetic core. A Hall element is installed in the notch. An annular installing part penetrating through the insulating shell is arranged in the middle part of the annular magnetic core. The insulating shell is also internally provided with a circuit board. One end of the circuit board is respectively connected with the Hall element and the coils, and the other end of the circuit board extends so that a pin headers is formed. The pin head downwardly stretches out of the insulating shell The annular installing part is made of polyformaldehyde composite material. The closed-loop Hall current sensor has advantages of being high in sensitivity, high in anti-interference capability and convenient to install.

Provided in the invention is an open-loop hall current sensor. With the sensor, a problem of weak anti-interference capability of the existing sensor is solved. The open-loop hall current sensor comprises an insulating housing; a mounting part is arranged at the end surface of the insulating housing; and a positioning part is arranged at the side wall of the insulating housing. The middle part of the insulating housing is hollowed to form an accommodation cavity; and an annular mounting part for installing a lead is arranged in the accommodation cavity. An annular magnetic core is arranged between the annular mounting part and the insulating housing; a notch penetrating the annular magnetic core is formed in the annular magnetic core; and the annular magnetic core and the annular mounting part are arranged coaxially. A hall element and a circuit board connected with the hall element are installed in the notch. A connecting hole is formed in the insulating housing; a connecting wire connected with the circuit board is arranged in the connecting hole; and a connecting sleeve is arranged between the connecting wire and the connecting hole. The annular mounting part is made of a polyformaldehyde composite material. The open-loop hall current sensor has advantages of high anti-interference capability and convenient installation.

The invention discloses an LED bulb lamp. The LED bulb lamp comprises a lamp holder, a liner, a power module, a cooling lamp cup, a cooling substrate, an LED light-emitting plate and a lamp shade which are connected in a matched mode, wherein the lamp holder is arranged at the upper end of the liner, the liner is made of a heat-insulating material, the power module is arranged inside the liner, the liner is filled with a heat-conducting material, the cooling lamp cup comprises an inner casing and an outer casing, a cavity is formed in the center of the inner casing, the liner is arranged inside the cavity, an annular band gap space is formed between the inner casing and the outer casing and separated into a plurality of ventilating ducts which are through in an up-and-down mode, a plurality of cooling fins which are connected with the inner casing and the outer casing are arranged inside the band gap space, the band gap space is separated by the cooling fins to form the ventilating ducts, a bottom plate is arranged at the lower end of the inner casing, and the cooling substrate, the LED light-emitting plate and the lamp shade are installed on the bottom plate sequentially. According to the LED bulb lamp, the good cooling effect is achieved through the method that separated cooling of a power supply and a light-emitting portion is performed.

The invention provides a graphene and vermiculite-based high-temperature-resistant anticorrosive paint and a preparation method. The graphene and vermiculite-based high-temperature-resistant anticorrosive paint comprises following components in percentage by mass: 0.05-10% of bentonite, 5-20% of vermiculite, 1-10% of kaolin, 1-20% of graphene, 3-10% of fused alumina powder, 5-15% of magnesium hydrate whiskers, 10-30% of titanium dioxide, 30-40% of an inorganic binder and 3-6% of silicone acrylic emulsion; and the inorganic binder comprises following components in percentage by mass: 5-20% of sodium phosphate, 60-80% of sodium silicate, 5-20% of potassium silicate and 10-30% of hydrophobic modified silica sol. The paint is featured with relatively high adhesion and needs no blasting treatment or corroding and roughening treatment on a metal surface, thereby greatly simplifying the difficulty of construction. Meanwhile, the paint would not be trapped in blistering, crazing and dropping at high temperature and plays roles of preventing water, fire, corrosion and rust, keeping warm, resisting aging, insulating and so on.

The invention discloses a folding door device with the automatic folding function. The folding door device comprises at least two door bodies and elastic hinges, the two adjacent door bodies are connected in a butt joint mode through a longitudinal protrusion and a longitudinal groove arranged on the side end faces respectively, and the elastic hinges are connected to the inner side faces of butt joint openings of the two door bodies. As the door bodies of the folding door are connected in the butt joint mode through the longitudinal protrusion and the longitudinal groove, on one hand, the integral firmness of the folding door can be improved, and on the other hand, the effects of heat insulation, dust prevention, noise reduction, sound insulation, shielding and the like can be effectively achieved; as the hinges are arranged on the inner side faces of the butt joint openings of the two door bodies, on one hand, sealed butt joint of the butt joint openings is not affected by the hinges, and on the other hand, the folding door is matched with a door frame after being closed and locked by a safety lock, is as firm as a common burglarproof door without folding even when pushed or pulled from the inner side or the outer side of the folding door and can be automatically folded when the safety lock is removed.

The invention discloses an electric energy meter capable of preventing electricity larceny. An outer surface of a front end of an electric energy meter main body panel is fixedly connected with an observation window, an outer surface of a front end of the observation window is fixedly connected with a self-cleaning coating, a first fixing piece and a second fixing piece are arranged on the outer surface of the upper end of the electric energy meter main body panel. The interior of the electric energy meter main body panel is fixedly connected with a heat dissipation port, the outer surface ofthe lower end of the electric energy meter main body panel is fixedly connected with a connecting wire protection box with a coded lock, and an outer surface of a front end of the connecting wire protection box with the coded lock is fixedly connected with a box door. The electric energy meter capable of preventing electricity larceny is provided with the connecting wire protection box with the coded lock, the self-cleaning coating and the anti-collision corner protectors, electricity larceny caused by private line refitting of people can be prevented, self-cleaning can be conducted, observation is convenient, the electric energy meter can be better protected, damage caused by collision is prevented, and better use prospects are brought.

The invention, which belongs to the technical field of the machinery, provides a hall current sensor. With hall current sensor, a problem of weak anti-interference capability of the existing hall current sensor can be solved. The hall current sensor comprises an insulated housing; the middle part of the insulated housing is hollowed out to form an accommodation cavity; and an annular mounting part for installing a lead is arranged in the accommodation cavity. An annular magnetic core is arranged between the annular mounting part and the insulated housing; the annular mounting part and the annular magnetic core are arranged coaxially. A notch penetrating the annular magnetic core is formed in the annular magnetic core; a hall element and a circuit board connected with the hall element are installed in the notch. Besides, a connector connected with the circuit board is arranged at the outer surface of the insulated housing; and the connector contains a connecting part and a row-pin unit with four pins, wherein the connecting part and the row-pin unit are arranged in parallel. The annular mounting part is made of a paraform composite material. The hall current sensor is provided with high anti-interference capability and convenient installation.

The invention discloses a green high-precision flexible printing corrugated carton. The green high-precision flexible printing corrugated carton comprises a carton bottom plate, a front side plate, aback side plate, a left side plate, a right side plate and a cover plate, wherein the cover plate is connected with the back side plate; each plate comprises backing paper, surface paper and a corrugated core structure, the corrugated core structure is formed in a way that corrugated paper and plane core paper are bonded, and reinforcing ribs are distributed on the positive and negative sides of the plane core paper, so that the intensity and the anti-shock capability of the paper plate can be increased.PE films are applied to both sides of the surface paper, the plane core paper and the backing paper, and the PE films have excellent adhesive force and wear resistant characteristics and are easy to absorb ink to image. Water-based ink pattern layers which are formed by flexography are applied to the PE films of the surface paper, water-based gloss oil coatings are applied to the water-based ink pattern layers, and toxicity and pollution are not generated. Lower buffer posts are arranged on the left and right sides of the upper surface of the carton bottom plate, and upper buffer posts are arranged on the left and right sides of one surface, which is opposite to the carton bottom plate, of the cover plate, so that the good buffer effect can be achieved, and the vibration of packaging products is reduced.

The invention relates to the field of eucommia ulmoides tea products, in particular to eucommia ulmoides health tea and a preparation method and application thereof. The eucommia ulmoides health tea is prepared by preparing eucommia ulmoides to eucommia ulmoides ultramicro powder of more than 600 mesh. The eucommia ulmoides health tea is the eucommia ulmoides ultramicro powder of more than 600 mesh prepared by the eucommia ulmoides, this kind of tea product only needs to be made to drink directly, the traditional tea drinking method is changed to the tea eating mode, and the traditional decoction and brewing of the eucommia ulmoides only can extract one thirds of the water-soluble active ingredients of the eucommia ulmoides. According to the eucommia ulmoides health tea and the preparation method and application thereof, the problems that in the eucommia ulmoides, water-soluble active substances cannot be extracted completely and non-water-soluble substances cannot be extracted are solved, all the ingredients of the eucommia ulmoides can be ingested into a body in a tea drinking mode to enable the human body to completely absorb the active ingredients of the eucommia ulmoides, and the effects of the eucommia ulmoides on the human body are doubled. According the preparation method, the damage to the effective active ingredients of the eucommia ulmoides is less, the effective active ingredients of the eucommia ulmoides are remained as many as possible, and the operation is easy.

The invention relates to a potting method applied to electronic equipment for dairy cows, which comprises the following step: S1, preparation of soft glue: putting black fluid potting silica gel and white fluid silica gel curing agent into a container according to the mass ratio of 1:1 for full mixing, fully stirring the mixture clockwise for 10-15 minutes with a stirrer, and after the two components are fully mixed, allowing the mixture to stand for 30 minutes at room temperature to form mixed fluid like soft glue. The potting method has the advantages as follows: effective waterproof and dustproof effects can be achieved; by using electronic devices potted by the process, the interference to the wireless signals of electronic equipment can be greatly reduced; the corrosion degree of thecolloid to the electronic devices and the corrosion degree of the external acid-base liquid to the equipment can be minimized; and insulation, sealing, shock absorption and atmospheric aging resistance effects can be achieved to a great extent.

The invention discloses a wood-property light heat-preservation building material. The wood-property light heat-preservation building material is prepared from anhydrous magnesium chloride, calcium carbonate, magnesium oxide, magnesium phosphate, a magnesite foaming agent, fire-resistant expanded polystyrene granules or expanded perlite or expanded vermiculite and short glass fibers; the anhydrousmagnesium chloride and the magnesium phosphate are put into a container and stirred in water, the temperature of a water solution is measured through a temperature gauge, and is controlled to be 20 DEG C to 40 DEG C, then the concentration is test through a Megage meter, the anhydrous-magnesium-chloride-and-magnesium-phosphate solution after meeting the standard is poured into a stirring machine,then the magnesium oxide is put, the mixture is stirred evenly, then the fire-resistant expanded polystyrene granules are put, the mixture continues to be stirred evenly, then dispersion is carried out, the glass fibers are added, the mixture continues to be stirred, the magnesite foaming agent and the calcium carbonate are poured, then the mixture is positively and negatively stirred for 2 minutes respectively, the material can be discharged, the product is poured into a mold frame, is slightly pressed and scraped to be flat to be subjected to standing, solidified and shaped, and then is demolded, the product is quietly maintained for 5 days to 10 days, and the light building material is formed. The wood-property light heat-preservation building material can have the effects of resistingfire, insulating heat, preserving heat and insulation.

The invention provides a graphene and vermiculite-based high-temperature-resistant anticorrosive paint and a preparation method. The graphene and vermiculite-based high-temperature-resistant anticorrosive paint comprises following components in percentage by mass: 0.05-10% of bentonite, 5-20% of vermiculite, 1-10% of kaolin, 1-20% of graphene, 3-10% of fused alumina powder, 5-15% of magnesium hydrate whiskers, 10-30% of titanium dioxide, 30-40% of an inorganic binder and 3-6% of silicone acrylic emulsion; and the inorganic binder comprises following components in percentage by mass: 5-20% of sodium phosphate, 60-80% of sodium silicate, 5-20% of potassium silicate and 10-30% of hydrophobic modified silica sol. The paint is featured with relatively high adhesion and needs no blasting treatment or corroding and roughening treatment on a metal surface, thereby greatly simplifying the difficulty of construction. Meanwhile, the paint would not be trapped in blistering, crazing and dropping at high temperature and plays roles of preventing water, fire, corrosion and rust, keeping warm, resisting aging, insulating and so on.

The invention discloses an optical fiber slip ring for optical communication equipment, which comprises a slip ring stator, wherein bearings are fixedly connected to the front end and the rear end ofthe inner wall of the slip ring stator, the inner walls of the bearings are fixedly connected with a slip ring rotor, the surface of the slip ring stator is provided with an insulating layer, and a corrosion-resistant layer is arranged on the side, which is away from the slip ring stator, of the insulating layer. According to the invention, the advantages of insulation and corrosion resistance ofthe optical fiber slip ring are achieved through mutual cooperation of the bearings, the insulating layer, an insulating plastic layer, an insulating rubber layer, an insulating silica gel layer, thecorrosion-resistant layer, a phenolic resin paint layer, an epoxy resin coating layer and an inorganic zinc-rich paint layer; when the optical fiber slip ring is in contact with a power supply, the optical fiber slip ring can be effectively insulated, the problem that the optical fiber is short-circuited and even damaged due to the fact that electricity is conducted into the optical fiber is prevented, the service life of the optical fiber is prolonged, the corrosion resistance of the optical fiber slip ring is improved, the optical fiber slip ring is prevented from being corroded and damaged,and the service life of the optical fiber slip ring is prolonged.

The invention discloses an insulating board and a production method thereof. The insulating board is prepared from high-strength gypsum powder, gypsum short fibers, mica powder, fly ash and methyl cellulose. The preparation method includes: evenly mixing the gypsum powder and the gypsum short fibers with the fly ash and the mica powder to obtain a mixture, mixing the mixture with water dissolved with the methyl cellulose to obtain a dry mixed material, and performing extrusion forming in a die to obtain the insulating gypsum-mica board with a preset thickness. Compared with the prior art, the insulating board and the production method thereof have the advantages that the production method is simple and easy to operate; the produced insulating board is widely applicable, especially applicable to the floors of a high-rise elevator shaft, an electric cable well and a machine room, lightweight, thermal-insulation, fireproof, insulating and capable of thoroughly avoiding the risk of flaming combustion.

The invention relates to an intelligent optical fiber sensing skin and preparation and usage methods thereof. The intelligent optical fiber sensing skin comprises a sensing optical fiber and a photo-curing fiber reinforced composite rubber felt, the photo-curing fiber reinforced composite rubber felt encapsulates the sensing optical fiber, the photo-curing fiber reinforced composite rubber felt isin the shape of a flat strip, the base material is a light-cured resin capable of being adhered to the surface of a monitored object through photo-curing, fibers and / or fiber felts are immersed therein, and corresponding preparation and usage methods are adopted according to two conditions that the photo-curing fiber reinforced composite rubber felt encapsulates the sensing optical fiber at the internal part and on the surface thereof and on the surface of the monitored object. The intelligent optical fiber sensing skin is insulated, corrosion-resistant, and seepage-resistant, the material isnot combustible and resistant in a temperature range of -50 to +180 DEG C, the intelligent optical fiber sensing skin can be applied to different environments, defects of low survival rate and failure of replacement after damage during pre-embedding of optical fiber sensors in concrete of reservoir dams, bridges and building foundations are overcome, and the service lifetime is longer than 10 years.

The invention discloses a chemical pipeline anticorrosive material production process, which belongs to the technical field of preparation of polymer composites and comprises the following steps: mixing, granulating and processing raw materials, performing radiation crosslinking on a polymer profile by using an electron accelerator, and performing heating and radial expansion on the crosslinked polymer to obtain the anticorrosive material for the chemical pipeline. Finally, an anti-corrosion thermal shrinkage product is obtained through cooling and shaping, meanwhile, by means of the shape memory of the thermal shrinkage product, a thermal shrinkage material product with the proper shape and size is selected to be arranged outside the pipeline in a sleeving or wrapping mode, the material rapidly shrinks and becomes smaller after being heated to a certain temperature through a heat source, and the surface of the pipeline is tightly wrapped with the thermal shrinkage anti-corrosion material. The effects of insulation, moisture prevention, sealing, protection and connection are achieved, the requirements of the pipeline anticorrosion industry for anticorrosion materials are met, an adhesive layer can be omitted, the production process of the anticorrosion materials is simplified, the production cost is reduced, meanwhile, the construction process of workers is slowed down, and theconstruction efficiency is greatly improved.

The invention discloses a folding door device with automatic folding function, which comprises at least two door bodies and elastic hinges, and the two adjacent door bodies are respectively butted through longitudinal protrusions and longitudinal grooves arranged on the side end faces, The elastic hinges are connected to the inner sides of the joints of the two door bodies. Each door body of the folding door adopts vertical protrusions and longitudinal groove structures to connect, on the one hand, it can enhance the firmness of the folding door, on the other hand, it can effectively play the role of temperature insulation, dust prevention, noise reduction and sound insulation, and shelter; There are hinges on the inner side of the interface between the two doors. On the one hand, the hinge does not affect the sealing of the interface. , Pushing or pulling outside, the folding door will not fold, it is as strong as an ordinary anti-theft door, and it can be automatically folded when the safety lock is opened.

The invention discloses a long and thin multi-core miniature elastic pin connector, which comprises an upper shell, a middle shell, a lower shell and elastic pin assemblies, wherein the upper half part of the upper shell is provided with a plurality of elastic pin assembly mounting holes A, and the internal part of the middle shell is a hollow cavity B; the top of the lower shell is provided withsecond inserting groove matched with second inserting columns in an inserting mode, the lower shell is internally provided with a plurality of elastic pin assembly installing holes B, and one elasticpin assembly is correspondingly mounted between one elastic pin assembly mounting hole A and one elastic pin assembly mounting hole B; each elastic pin assembly comprises a long sleeve, a telescopic elastic pin assembly A and a telescopic elastic pin assembly B, the long sleeve is internally provided with a center shaft, the telescopic elastic pin assembly A is mounted at an upper end opening of the long sleeve, and the telescopic elastic pin assembly B is mounted at a lower end opening of the long sleeve. The elastic pin connector is very convenient to mount and dismount, the telescopic elastic pins at two ends of each elastic pin assembly are in elastic electric contact with a printed board, the assembly tolerance can be adapted, and meanwhile, the electric contact performance is improved.

The invention discloses an illumination device of an ethylene-vinyl acetate (EVA) film extruder. The illumination device is characterized in that the illumination device comprises a lamp bulb, a connection rod and a base; the bottom of the base is fixed to a frame for hoisting of a die head; one end of the connection rod is rotatingly connected to the base and the other end is connected to the lamp bulb by a lamp socket; and an electric wire in the lamp socket passes through a cavity of the connection rod, and the base, and is electrically connected to a power supply of an EVA film extruder. The illumination device is arranged on the frame above the die head, provides good illumination rays for adjustment of bolt tightness in EVA film thickness adjustment, reduces misoperation, and effectively improves work efficiency.

The invention discloses a folding structure for a multi-section extension arm of a single-arm three-dimensional measurement scriber. The folding structure comprises at least two door bodies and elastic hinges. The two adjacent door bodies are in butt joint through longitudinal protrusions and longitudinal grooves formed in the side end faces. The elastic hinges are connected to the inner side faces of the butt joints of the two door bodies. Due to the fact that the door bodies of a folding door are in butt joint through the longitudinal protrusions and the longitudinal grooves, on the one hand, the integral firmness of the folding door can be strengthened, and on the other hand, the effects of heat insulation, dust prevention, noise reduction and insulation, shielding and the like are effectively achieved; and by arranging the hinges on the inner side faces of the butt joints of the two door bodies, the hinges do not affect the sealed butt joint of the joints, and besides, after the folding door is closed with a safety lock, the folding door and a door frame are closed in a matched mode, the folding door cannot fold no matter whether people push or pull the folding door from the inside or the outside, the folding door is as firm as an ordinary antitheft door, and the folding door can be folded automatically after the safety lock is unlocked.

The invention discloses a current-conducting and light-guiding artificial cochlea electrode and a manufacturing method thereof. An optical fiber and nano-metal particles are taken as main materials; the nano-metal particles are coated on the surface of a fiber cladding by using an optical fiber metal coating device; a current-conducting metal coating is made on the fiber cladding by using a sintering technology to obtain a novel current-conductive and light-guiding artificial cochlea electrode. The novel current-conducting and light-guiding artificial cochlea electrode can be used for conducting current and guiding light, and has the advantages of an electrical cochlea and an optical cochlea; convenience is brought to research and clinical application, and an implant user can be assisted in improving the voice recognition quality; the current-conducting and light-guiding artificial cochlea electrode has great application prospects in the basic research and clinical application of artificial auditory sense. The method for manufacturing a current-conducting optical fiber by sintering nano-metal gold paste, nano-metal silver paste and nano-metal copper paste is simple in process, is free from pollution, is reliable in performance, and is suitable for manufacturing current-conducting optical fibers of various lengths.

The invention discloses a modular-structured elevator and its manufacturing equipment and manufacturing process, which belongs to the technical field of elevators and includes a car assembly and a shaft assembly arranged outside the car assembly. The hoistway section is a frame structure and includes a column and beams at the upper and lower ends of the column. The upper beam is provided with a slot, and the bottom of the lower beam is provided with a plug-in plate that matches the slot. The side of the section is provided with an EPS board and a buffer board in sequence from the inside to the outside, and the two boards are fastened to the column by lengthening bolts at the same time, and a first spring buffer assembly is arranged outside the buffer board, and the first spring assembly includes The first spring, one end of the first spring is sleeved on the mounting column and the other end is inserted into the slot hole in the installation wall of the well, and one end of the telescopic mounting column is movably arranged in the limit frame on the buffer press and fixed by bolts.

The invention discloses a composite adhesive film production process and application thereof in the fingerprint chip packaging field, and the composite adhesive film production process comprises the following steps: manufacturing a high-hardness wear-resistant layer, manufacturing a semi-cured bonding layer and compounding an upper layer and a lower layer: firstly coating an upper release film with the high-hardness wear-resistant layer with the thickness of 10-25 microns by using a precision coating machine; coating a semi-cured bonding layer with the thickness of 15-40 microns on the lower release film; continuously compounding the upper release film, the high-hardness wear-resistant layer, the semi-cured bonding layer and the lower release film by using a thermal compounding roller to form a roll-shaped integrated film; the method comprises the following steps: firstly, die-cutting a roll-shaped film into a proper size, then stripping a lower release film to expose a semi-cured bonding layer, and aligning to a coverage area of a fingerprint chip; and the semi-cured bonding layer and the coverage area of the fingerprint chip are hot-pressed together through a hot roller or hot pressing mode. According to the invention, the hardness and wear resistance of the adhesive film can be improved, the layer can be endowed with different colors, and the effects of toughening, bonding, insulating and sweat erosion resistance can be improved.

The invention provides a Type-C female seat terminal and a Type-C female seat interface, relates to the technical field of connectors, and solves the technical problem in the prior art that the Type-C female seat interface terminal is assembled by two rows of terminals and the process is complicated. The Type-C female seat terminal comprises an insertion piece terminal, terminal faces are arranged on the two opposite end faces of the insertion piece terminal, and when the insertion piece terminal is inserted into a female seat, the terminal faces face the inner wall face of the upper end of the female seat interface and the inner wall face of the lower end of the female seat interface respectively. According to the invention, a traditional mode that an upper terminal and a lower terminal are independently arranged is integrated on one insertion piece terminal, the insertion piece terminal can achieve an expected effect only by inserting the insertion piece terminal into the female seat when the insertion piece terminal is assembled, the assembling process is simplified, and the manufacturing efficiency is improved.