371 results about "Metallic foil" patented technology

The invention provides a photosensitive resin composition containing an anthracene methyl modified melamine photosensitizer, a photosensitive dry film and application of the photosensitive dry film, the photosensitizer adopts a melamine skeleton to connect three anthracene 9-methyl structures, and through a rigid structure of the melamine skeleton and a methylene bridging (-CH2-An) design of an anthracene group, the photosensitive resin composition has the remarkable advantages that the methylene bridging structure can be used for preparing a photosensitizer, and the photosensitizer can be used as a photosensitizer for photosensitization of the anthracene methyl modified melamine photosensitizer. The breakage of carbon-oxygen bonds on alkoxy caused by p-pi conjugation is avoided, so that the migration of small molecular fragments after initiation is reduced, permeable crystallization to a polyethylene protective film is effectively inhibited, and the risk of short circuit of a line is remarkably reduced; the light quantum yield can be greatly improved by introducing a plurality of light sensing units; the melamine skeleton is used, so that the adhesive force of the initiation system on the metal foil surface can be effectively improved; in addition, the photosensitizer also shows excellent solubility and formula compatibility, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

The invention relates to the related technical field of geophysical exploration instruments, in particular to a miniaturized broadband induction type magnetic field sensor. The sensor comprises a magnetic core, an induction coil, a feedback coil and a signal processing circuit. The invention is characterized in that the magnetic core is of a long rod-shaped structure formed by laminating and curing high-permeability soft magnetic strip materials, the length of the magnetic core is 580mm-640mm, the cross section of the magnetic core is a square or an equivalent circle with the side length of 11mm-15mm, and the length-diameter ratio of the magnetic core is greater than 40; the feedback coil is formed by spirally winding a metal foil belt along the magnetic core, and the metal foil belt forms a main shielding layer for restraining interference of an external electric field at the same time. By optimizing the size and the length-diameter ratio of the magnetic core and combining the integrated design of feedback and shielding functions, while the working frequency band and the low-noise performance are ensured, remarkable miniaturization and light weight of the sensor are realized, and the portability and the layout efficiency of field exploration are greatly improved.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. This resin composition comprises an elastomer (A), a thermosetting compound (B), a radical polymerization initiator (C), and a filling material (D), wherein: the elastomer (A) includes a polymer block (a1) containing a radically reactive group-containing styrene compound unit and a conjugated diene compound unit; the thermosetting compound (B) contains a resin (E) having at least two vinylbenzyl groups at the terminal thereof; the content of the filling material (D) is 1-300 parts by mass with respect to 100 parts by mass of the solid content of the resin; and the mass ratio ((A) / (E)) of the elastomer (A) to the resin (E) having at least two vinylbenzyl groups at the terminal thereof is 0.01-1.1.

The present invention provides an electrode body that can suppress damage to the curved portions in a structure including a first electrode sheet having a plurality of first laminated portions and a plurality of curved portions connecting adjacent first laminated portions in the lamination direction. [Solution] The electrode body comprises a first electrode portion 11 composed of a first electrode sheet including a plurality of first laminated portions 110 and a plurality of first curved portions 115, and a second electrode portion 12 having a plurality of second laminated portions 120, wherein the plurality of first laminated portions 110 and the plurality of second laminated portions 120 are arranged alternately in the lamination direction, the first electrode sheet includes a first sheet portion including a portion made of a first metal foil that constitutes the first laminated portion and a portion made of a first resin member that constitutes a plurality of first curved portions 115, and a first active material layer 112, the first laminated portion 110 having a first metal foil 111 and a first active material layer 112 on the first metal foil 111, the first active material layer 112 is not provided on the first resin member.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. This resin composition contains an elastomer (A), a thermosetting compound (B), and a radical polymerization initiator (C). The elastomer (A) includes a polymer block (a1) including a conjugated diene compound unit and a styrene compound unit having a radical reactive group. The thermosetting compound (B) contains a resin (E) having two or more vinylbenzyl groups at terminals. The content of the elastomer (A) is 0.5-30 parts by mass with respect to 100 parts by mass of the resin solid content in the resin composition. The mass ratio ((A) / (E)) of the elastomer (A) to the resin (E) having two or more vinylbenzyl groups at terminals is 0.01-1.1.

The present invention provides a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device. The resin composition contains an elastomer (A), a compound (B) represented by formula (GU), and a radical polymerization initiator (C). The elastomer (A) includes a polymer block (a1) containing a conjugated diene compound unit and a styrene compound unit having a radical reactive group. The content of the elastomer (A) is 1-30 parts by mass with respect to 100 parts by mass of the resin solid content. In formula (GU), R1 and R2 are hydrogen atoms or substituents, two R2 are the same as each other, at least one of R1 and R2 is a group including a (meth)allyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, or an aryl group.

Provided are a resin composition, a cured object, a prepreg, a metal-foil-clad laminate board, a resin composite sheet, a printed wiring board, and a semiconductor device. The resin composition according to the present disclosure comprises 10-90 parts by mass of a resin (A) and 90-10 parts by mass of a maleimide compound (B) represented by formula (M4), wherein the resin (A) is represented by formula (T).

The invention provides a resin composition, and a prepreg and a metal foil-clad laminated board containing the same. The resin composition comprises the following components: a maleimide compound (A) containing an indane structure in a molecule and thermosetting resin (B), the maleimide compound (A) having an indane structure in the molecule has an acid value of 5.0 mgKOH / g or less. According to the present invention, the Df change is small after the cured product of the resin composition is subjected to the extreme environment thermal oxidation treatment, such that the prepared prepreg and the prepared metal foil-coated laminated board have characteristics of excellent dielectric property and extreme environment resistance, and are especially suitable for high-speed packaging.

The invention discloses a flat functional current collector and a preparation method thereof, and relates to the technical field of current collectors. The method specifically comprises the following steps that S1, an organic film and a metal foil are attached to the same release film, and interfaces in the thickness direction are in contact; an intermediate product A is obtained; s2, a metal layer is deposited on the face, away from the release film, of the intermediate product A, and an intermediate product B is obtained; and S3, removing the release film in the intermediate product B, and depositing a metal layer on the surface again to obtain the functional current collector. A continuous conducting layer can exist in the edge area of the functional current collector prepared by the method, and a tab is not required to be reserved or welded like a traditional current collector, so that the structural smoothness of the current collector is kept.

The invention provides a sodium-ion battery pole piece and a preparation method thereof, a battery cell, a battery and electric equipment, and relates to the field of sodium-ion batteries. The sodium-ion battery pole piece comprises an electrode active membrane and a tab, wherein the tab is partially embedded into the electrode active membrane; a carbon layer is also arranged on the surface of the tab embedded into the electrode active membrane; the raw materials of the electrode active film comprise an active substance, a conductive agent and a binder. The sodium ion battery pole piece is low in resource loss, a traditional multi-tab structure battery cell and a traditional pole piece need to be mixed with a solvent and need to consume a large amount of metal foil, the structure does not need to waste the solvent for mixing, the usage amount of the metal foil is greatly reduced, and in addition, due to the fact that the foil is reduced, the proportion of effective active substances is increased, and the production cost is reduced. The energy density of the battery is improved; the carbon layer on the surface of the tab embedded into the electrode active film is beneficial to improving the interface contact property and the conductivity, and the tab which is not embedded into the electrode active film has no carbon layer, can be used as a welding area and is easy to weld and process.

The invention discloses a wide metal foil strip high-speed stamping machining device which comprises a stamping assembly, the stamping assembly comprises a stamping base movably arranged in the vertical direction, and a stamping die is arranged at the bottom end of the stamping base; the guide roller assembly and the driving assembly are symmetrically arranged on the two sides of the bearing table; the guide roller assembly comprises a roller seat, a lower roller wheel and an upper roller wheel are rotatably arranged on the roller seat in a spaced mode in the vertical direction, and the upper roller wheel is movably arranged on the roller seat in the vertical direction; the driving assembly and the stamping assembly are in mechanical linkage, the characteristic that a moving seat synchronously moves along with a stamping base is utilized, a second toothed plate is in a non-meshing state in the stamping descending stage, and the stamping action is prevented from being interfered; at the key moment of upward return stroke of the stamping die, the second toothed plate is automatically triggered to be meshed with the gear, the upper roller is driven to press the foil belt downwards, and the trend that the foil belt is taken up is accurately restrained.

A handheld glass foiler apparatus (2) includes a housing (4) sized to be held by a human hand. The housing includes a thumb-receiving edge portion (6) arranged to engage a thumb of the human hand, a finger-receiving edge portion (8) arranged to engage the remaining fingers of the human hand, and a foil-dispensing portion (10). A hub (32A) within the housing is arranged to mount a roll (33) of flexible metallic foil (34) material to be dispensed out of the housing from the foil-dispensing portion of the housing. A foil material backing peeler (104) separates an adhesive backing (106) from the metallic foil material (34) within the housing and directs the adhesive backing along a waste track (108) to a waste exit (1109 of the housing. A foil dispenser, a glass alignment guide (38) and a foil crimper (40) may be disposed on the housing as a removable dispenser-guide- crimper assembly (12A, 12B, 12C). A foil cutter assembly (16) and an adjustable foil holder assembly (32) may also be provided.

The invention provides a manufacturing process of a micro supercapacitor based on femtosecond laser 4D printing, which relates to the technical field of energy storage device manufacturing, and comprises the following steps: providing a substrate which is glass, a silicon wafer, a polymer film or a metal foil, and pre-treating the surface of the substrate to obtain a pre-treated substrate; and the pretreated substrate is coated with carbon quantum dots and shape memory epoxy resin to form a composite material layer. According to the manufacturing process of the micro supercapacitor based on femtosecond laser 4D printing, a femtosecond laser technology is combined with optical flow control printing and infrared laser irradiation, a porous structure can be accurately constructed in a composite material layer, a deformation state is solidified and fixed through infrared laser, and a novel manufacturing method of the micro supercapacitor is provided; a high-precision miniature capacitor structure is realized, and the energy storage capability and the cycling stability of the capacitor are effectively improved.

The utility model discloses a lightweight battery structure, which comprises a battery roll core and a polymer conductive film layer, the battery roll core comprises a negative plate, a diaphragm layer and a positive plate, and the negative plate, the diaphragm layer and the positive plate are sequentially stacked; the polymer conductive film layer is wrapped on the outermost surface of the battery roll core and comprises a polymer film and a conductive piece, and the conductive piece is embedded on the polymer film. Therefore, as the polymer film material in the polymer conductive film layer is light, the overall quality and the manufacturing cost of the battery can be reduced, meanwhile, the conductive part is arranged on the polymer film, and the polymer film has a conductive effect through the conductive part, so that the traditional structural mode that a battery roll core is wrapped by a metal foil can be replaced, and the battery can be used for manufacturing the battery. Therefore, the overall weight of the battery can be reduced, and the lightweight design of the battery is realized.

Provided is an ultrasound probe in which even in a case where the number of channels of a piezoelectric element is increased, reliability is not impaired and it is not necessary to change acoustic design.An ultrasound probe includes: a flexible circuit board disposed between the backing material and the plurality of piezoelectric elements, in which each of the plurality of piezoelectric elements consisting of a laminate in which a signal electrode layer, a piezoelectric body portion, and a ground electrode layer are sequentially laminated in a lamination direction on a surface of the flexible circuit board, the signal electrode layer is electrically connected to the flexible circuit board, the flexible circuit board is longer than the piezoelectric body portion in an elevation direction, first members consisting of an adhesive in which abrasive grains are dispersed are disposed at end parts of the laminate in the elevation direction, and the ground electrode layer is electrically connected to the flexible circuit board via metal foil that extends from a surface of the laminate to surfaces of the first members and side surfaces of the first members in the elevation direction.

Provided are a resin composition, a cured product, a prepreg, a metal foil-clad laminate, a resin composite sheet, and a printed wiring board. The resin composition contains a polymaleimide compound (A) and a compound (B) containing two or more polymerizable carbon-carbon unsaturated double bonds. The polymaleimide compound (A) contains, as reaction raw materials (1), an aromatic amine compound (a1) having one or more and three or less alkyl groups on an aromatic ring, an aromatic divinyl compound (a2) having two ethenyl groups, and maleic anhydride.

A resin composition containing a resin (A) represented by formula (T1-1), a thermoplastic elastomer (B), and a thermosetting compound (C) other than the resin (A), in which a parameter [beta] calculated by formula ([beta]) in the resin (A) is 0.20-3.00. In formula (T1-1), R represents a group containing a structural unit represented by formula (Tx). In the parentheses in formula (beta), the integral value between the corresponding chemical shift values in 1H-NMR is represented. A cured product using the resin composition, a prepreg, a metal foil-clad laminate, a resin composite sheet, a printed wiring board, and a semiconductor device.

component (10) comprising a substrate (1), a functional organic layer stack (6), a hermetically sealed self-supporting barrier layer (8), a first electrode (2), a second electrode (3), an electrically insulating connecting layer (7) and an encapsulation layer (9), wherein - the functional layer stack (6) is arranged between the substrate (1) and the barrier layer (8), - the barrier layer (8) in plan view of the substrate (1) covers the functional layer stack (6) and forms a step (80) laterally of the functional layer stack (6) with the substrate (1) and / or with a layer arranged on the substrate (1), - the encapsulation layer (9) covers the step (80) so that the functional layer stack (6) is hermetically sealed laterally by the barrier layer (8) and the encapsulation layer (9), - the barrier layer (8) is formed in the form of a metal foil and has a vertical thickness (D8) between 10 µm and 200 µm inclusive, and is directly covered by the encapsulation layer (9), - the functional layer stack (6) is located directly between the first electrode (2) and the second electrode (3) and the connecting layer (7) is arranged directly between the barrier layer (8) and the second electrode (3) on a side of the functional layer stack (6) facing away from the substrate (1), - the encapsulation layer (9) directly covers side surfaces of the bonding layer (7) and the barrier layer (8), and - the connecting layer (7) is in direct contact with a first electrical contact track (20) and a second electrical contact track (30) on the substrate (1), whereas the barrier layer (8) ends at a distance from these contact tracks (20, 30).

The utility model relates to the technical field of electric power engineering, and discloses a high-insulation cable, which comprises a conductor, a composite insulating layer arranged on the outer wall of the conductor, a shielding layer fixedly mounted on the outer wall of the composite insulating layer, a sheath layer fixedly mounted on the outer wall of the shielding layer, and a second insulating layer arranged on the outer wall of the first insulating layer, the inner wall of the first insulating layer is fixedly connected with the outer wall of the conductor, the outer wall of the first insulating layer is fixedly provided with a second insulating layer, the outer wall of the second insulating layer is fixedly provided with a third insulating layer, the outer wall of the third insulating layer is fixedly connected with the inner wall of the shielding layer, and the conductor is made of copper metal. The composite insulating layer is arranged, the sheath layer is made of a polyvinyl chloride material, and the structural design and material selection of the composite insulating layer are optimized, so that the cable has excellent insulating performance and good mechanical performance; and the requirements of a modern electric power system on high-voltage and large-current transmission are met.

The application discloses a metal foil, a negative electrode material applied to a battery and the battery. The metal foil comprises at least one non-conductive support body and conductive layers respectively arranged on two surfaces of the support body, namely a first conductive layer and a second conductive layer. A side surface of the first conductive layer away from the support body is a first surface, and a side surface of the second conductive layer away from the support body is a second surface. A roughness Rz(at) of the first surface in a TD direction is equal to or greater than a roughness Rz(am) of the first surface in an MD direction. A roughness Rz(bt) of the second surface in the TD direction is equal to or greater than a roughness Rz(bm) of the second surface in the MD direction. By optimizing the roughness of the surface of the metal foil, the uniformity and rationality of the structural performance of the surface of the metal foil are effectively improved, and the quality of the metal foil and products applying the metal foil is improved.

The invention discloses a steering wheel multi-area hand separation detection device and method based on high-order intelligent driving, and relates to the technical field of intelligent driving safety. The apparatus includes a steering wheel assembly, a flexible sensor pad, and an electronic control unit (ECU). The annular holding part of the steering wheel is divided into at least three physical and signal independent sensing areas, and all the areas are arranged in a crossed mode to achieve non-blind area coverage. The flexible sensor pad is integrated between a steering wheel framework and a skin layer, and a sensor layer of the flexible sensor pad is composed of conductive fabric, metal wires or metal foils and used for detecting capacitance changes. The ECU is used for collecting signals of all the induction areas and judging the hand state of a driver through software integrating temperature compensation, signal filtering and a multi-source information fusion algorithm. According to the method, high-precision hand-leaving detection is realized based on the device. The method solves the problems of high false alarm rate and poor environmental adaptability in the prior art, and has the advantages of high detection precision, good reliability, strong process compatibility and OTA upgrade support.

This invention provides a resin composition and its application. The resin composition comprises a combination of an acenaphthene-modified polymer and a component containing C=C unsaturated bonds. The monomers of the acenaphthene-modified polymer include acenaphthene and a polyfunctional vinyl aromatic compound, and the molar percentage of acenaphthene in the monomers is 10-90%. Based on a total mass of 100 parts for the acenaphthene-modified polymer and the component containing C=C unsaturated bonds, the mass of the acenaphthene-modified polymer is 10-80 parts. This invention, through the design of the acenaphthene-modified polymer and its mutual compounding with the component containing C=C unsaturated bonds, enables the resin composition and the prepreg and metal foil laminate containing it to have high glass transition temperatures, excellent heat resistance, dielectric properties, resistance to damp heat, and filler properties, significantly improving the internal consistency of the substrate and fully meeting the performance requirements of high-transmission-rate substrates.

The utility model relates to the technical field of batteries, and discloses a current collector, a pole piece, a battery and a coating roller. The current collector includes: a metal foil; the conductive layer is arranged on at least one surface of the metal foil; the conductive layer is provided with a first coating area used for coating the insulating layer and a second coating area used for coating the active material layer, and the first coating area is located on at least one side of the second coating area in the width direction of the conductive layer; the surface density of the first coating area is smaller than that of the second coating area. According to the current collector provided by the utility model, the first coating area and the second coating area are arranged on the conducting layer, and the surface density of the first coating area is smaller than that of the second coating area, so that the cohesiveness of the insulating coating and the metal foil is enhanced, the production cost is low, the coating areas are convenient to identify, and the service life of the current collector is prolonged. The production efficiency of the battery is improved, the cost is reduced and the product quality is ensured.

The application relates to the technical field of blade battery, and provides a welding structure of a tab and a connecting sheet and a welding assembly thereof. The welding structure comprises a tab located on one side of the length direction of a pole group and a connecting sheet; the connecting sheet has a tab connecting part and a pole connecting part connected with each other; the tab connecting part comprises first clamping ears and second clamping ears which are arranged at intervals along the thickness direction of the connecting sheet; the first clamping ears and the second clamping ears are both formed by stacking at least one layer of metal foil material; the tab is clamped between the first clamping ears and the second clamping ears, and the three are connected through ultrasonic welding; meanwhile, the thickness of the tab, the thickness and the number of layers of the metal foil material are limited. The welding structure of the tab and the connecting sheet can not only improve the welding strength of the tab and the connecting sheet, the tensile and vibration impact resistance, but also improve the welding yield, so that the production line production yield and efficiency can be improved, the cost loss can be reduced, and the quality and use reliability of the battery cell can be improved.

A resin composition contains a maleimide compound (A) and a phosphorus-containing compound (B). The maleimide compound (A) includes a first maleimide compound (A1) having an alkyl group, of which a carbon number is equal to or greater than six, and / or an alkylene group, of which a carbon number is equal to or greater than six. The phosphorus-containing compound (B) includes a phosphorus-containing compound (B1) having a structure expressed by the following formula (b1), where s indicates an integer falling within a range from 1 to 10, Z indicates either an arylene group or an ester bond expressed by the following formula (b1.1), R1 to R3 each independently indicate either a hydrogen atom or a monovalent organic group, and * indicates a bond.

The utility model discloses an electromagnetic shielding film, including metal foil layer, the opposite two sides of metal foil layer are equipped with first protective layer and second protective layer respectively, first protective layer is any one in nickel chromium alloy layer, nickel zinc alloy layer, chromium zinc alloy layer, second protective layer is any one in nickel chromium alloy layer, nickel zinc alloy layer, chromium zinc alloy layer, one side of second protective layer is equipped with insulating heat conducting layer away from metal foil layer. The electromagnetic shielding film of the utility model can reduce the thickness of electromagnetic shielding film and reduce the complexity of film structure, and has excellent thermal conductivity.

Provided are: a resin composition which has excellent low dielectric characteristics when made into a cured product and has a small thermal expansion coefficient; a cured product; a prepreg; a metal foil-clad laminate; a resin composite sheet; a printed wiring board; and a semiconductor device. The resin composition comprises a maleimide compound (A) and a compound (B) represented by formula (GU), wherein the maleimide compound (A) contains 50-100 parts by mass of a maleimide compound represented by formula (M1) and 50-0 parts by mass of another maleimide compound other than the maleimide compound represented by formula (M1), and the molar ratio β / α of the (meth)allyl group amount (β) of the compound (B) represented by formula (GU) to the maleimide group amount (α) of the maleimide compound (A) is 0.2-3.5.