174697 results about "Composite material" patented technology

A semiconductor device with a metal foil and a sealing resin material. Metal foil is formed integrally with the sealing resin layer.

A brush comprising a brush head having a brush pad with a plurality of bristles and a plurality of channels disposed along at least one side of the brush head, wherein each of the plurality of channels has a predetermined depth.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 4.3 to 6.0% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.7 to 1.4 g / 10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Provided is a copolymer comprising tetrafluoroethylene unit and perfluoro(ethyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(ethyl vinyl ether) unit of 4.5 to 6.2% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 4.0 g / 10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

Toilet tissue having a dynamic surface comprising a surface material that overlays a textured web material such that the toilet tissue exhibits one or more novel properties and method for making same are provided.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro (propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro (propyl vinyl ether) unit of 5.6 to 6.38 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 17.1 to 23.0 g / 10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 5.5 to 6.5% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 36.1 to 49.9 g / 10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 4.4 to 5.28 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 11.0 to 16.0 g / 10 min, and the number of functional groups of 50 or less per 106 main-chain carbon atoms.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 6.2 to 7.1% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 28.0 to 35.9 g / 10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 3.7 to 4.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 28.0 to 34.0 g / 10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

There is provided a copolymer containing tetrafluoroethylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of perfluoro(propyl vinyl ether) unit of 2.4 to 3.48 by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 0.8 to 1.4 g / 10 min, and the number of functional groups of 20 or less per 106 main-chain carbon atoms.

The present disclosure provides embodiments of a kit for supplying reinforced porcelain panel products for use in shower enclosures. In an embodiment, a kit includes a container and one or more reinforced porcelain panel products positioned to be associated with a container. Each of the reinforced porcelain panel products includes a) a porcelain slab having a top surface with a first surface area, and b) a structural core board including a foam-core material and having a second surface area greater than the first surface area of the porcelain slab. The structural core board is positioned in abutting contact with the porcelain slab with adhesive material therebetween. The structural core board extends beyond outer peripheries of the porcelain slab to be visible and to enhance protection from cracking when the reinforced porcelain panel product is handled and is further to be attached to a mounting surface when installed.

The invention relates to the field of lithium battery negative electrode materials, and particularly discloses a silicon-carbon composite negative electrode material for a lithium ion battery and a preparation method of the silicon-carbon composite negative electrode material. The method comprises the following steps: preparing a porous carbon substrate, and depositing silicon nanoparticles in pores and on the surface of the porous carbon substrate by adopting a fluidized bed chemical vapor deposition process and taking silane as a silicon source to obtain a silicon-carbon core material; continuously carrying out carbon coating on the surface of the silicon-carbon core material in the fluidized bed by taking acetylene as a carbon source to form a carbon coating layer; and leading out the obtained material from the fluidized bed, taking acetylene as a carbon source, and carrying out carbon coating on the surface of the primary carbon coating layer again by adopting the rotary furnace to form a secondary carbon coating layer. According to the preparation method, a porous carbon matrix and double-layer functional carbon coating process is adopted, so that the volume expansion of silicon in the circulation process is remarkably inhibited, the interface side reaction is reduced, and the circulation stability of the material is effectively improved.

The invention discloses a method for preparing diester terephthalate by catalyzing polyethylene glycol terephthalate (PET) to depolymerize. The method comprises the following steps: treating PET or a composite system thereof in diester carbonate under the conditions of no catalyst or taking a salt substance as a catalyst to realize chemical depolymerization of PET, so as to obtain PET monomers of diester terephthalate and ethylene carbonate, and realize complete depolymerization of PET in a composite. According to the method disclosed by the invention, through the reaction of the diester carbonate and the PET, the depolymerization of the PET under a mild condition can be realized, and the related technology research and development of chemical recovery of the PET monomer in a PET composite system or a mixed system are further carried out. The method provided by the invention has the advantages of high efficiency, greenness, mild reaction conditions and the like, can catalyze PET depolymerization to generate the monomer terephthalic acid diester, and has higher industrial application value.

To provide a semiconductor package containing an insulating material.SOLUTION: A semiconductor package 1000 contains: a re-wiring structure body 300 that contains a re-wiring layer containing copper (Cu) and an insulation layer 310 surrounding the re-wiring layer; a semiconductor chip 100 that is mounted onto the re-wiring structure body, and contains a plurality of chip-coupling members 130; an internal coupling terminal 134 that is arranged between the re-wiring structure body and the semiconductor chip, and electrically connects the re-wiring layer and a connection pad; an external coupling terminal 600 that is adhered to a lower side of the re-wiring structure body, and is electrically connected to the re-wiring layer; and a sealing member 250 that surrounds the semiconductor chip and the internal coupling terminal on the re-wiring structure body. The insulation layer is made of an insulating material, where K satisfies 20 or more in a TC index.SELECTED DRAWING: Figure 1

A technique facilitates use of a swellable packer or packers which may be disposed along completion equipment of a well string. Each packer comprises a packer frame and a plurality of swellable elements formed of materials which swell in different types of fluids. The plurality of swellable elements may comprise a first swellable element mounted on the packer frame and swellable in a first type of fluid. A second swellable element also may be mounted on the packer frame proximate the first swellable element and swellable in a second type of fluid which is different from the first type of fluid. Additionally, a portion of an alternate path system may extend through the swellable elements to facilitate a gravel packing operation.

A brush comprising a brush head having a brush pad with a plurality of bristles and a plurality of channels disposed along at least one side of the brush head, wherein each of the plurality of channels has a predetermined depth.

To provide a resist composition which achieves higher sensitivity in forming a resist pattern and an improvement in lithographic characteristics such as roughness reduction of a pattern and has a wide process margin, a resist pattern forming method, and a copolymer useful for them.SOLUTION: The resist composition contains a resin component having a constituent unit derived from a compound represented by formula (a01-b) and a constituent unit derived from a compound represented by formula (a02-d). In the formulae, W01 and W02 each represent a polymerizable group-containing group; X01 and X02 each represent a divalent linking group or a single bond; and R0 represents a C1-5 fluorinated alkyl group, a fluorine atom or a hydrogen atom; provided that one or more of X01, X02, Mm+ and Nn+ contain an iodine atom.SELECTED DRAWING: None

The present disclosure provides embodiments of a reinforced porcelain panel product for renovations or new construction in buildings. In an embodiment, a reinforced porcelain panel product includes a porcelain slab and a structural core board. The structural core board includes a foam-core material having a surface area and a thickness larger than the porcelain slab. An upper surface of the structural core board is positioned in contact with a bottom surface of the porcelain slab with an adhesive material. A buffer region is defined by regions of the structural core board extending beyond outer peripheries of the porcelain slab. The buffer region enhances protection from cracking when the reinforced porcelain panel product is handled. The lower surface of the structural core board has a first surface plane parallel to a top surface of the porcelain slab and a lower surface positioned to attach to a mounting surface.

The present invention addresses the problem of providing a rubber composition with which it is possible to improve the ratio of a sustainable material in a rubber product and to improve the elongation at break (EB) after heat deterioration. The rubber composition is characterized in that: it contains a rubber component (A), recovered carbon black (B), a quinoline-based anti-aging agent (C), and a zinc oxide (D); in that the total styrene content of the rubber component (A) is less than or equal to 5 mass%; and in that the mass ratio [zinc oxide (D) / quinoline-based anti-aging agent (C) ] between the zinc oxide (D) and the quinoline-based anti-aging agent (C) is greater than 0 and less than or equal to 3.0.

The present invention relates to a sodium-ion battery material, and specifically relates to a sodium ferric phosphate pyrophosphate composite material, and a preparation process, evaluation method and process optimization method therefor and the use thereof. The sodium ferric phosphate pyrophosphate composite material has a spinel-type NaFePO4 phase; and in an XRD diffraction pattern obtained by subjecting the sodium ferric phosphate pyrophosphate composite material to XRD diffraction using CuKα radiation, there are a characteristic diffraction peak T of sodium ferric phosphate pyrophosphate and a characteristic diffraction peak O of spinel-type NaFePO4 at 2θ of 33.6±0.2° and 32.8±0.2°, respectively, the peak intensities thereof are respectively IT and IO, and the diffraction peak intensity ratio Ir is equal to IT / IO, wherein 6.19≤Ir≤13.

The invention provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises a positive pole piece, an isolating membrane, a negative pole piece and electrolyte, and the positive pole piece, the isolating membrane and the negative pole piece are arranged in a laminated manner; the positive pole piece comprises a positive current collector and a positive active layer arranged on at least one side of the positive current collector, the negative pole piece comprises a negative current collector and a negative active layer arranged on at least one side of the negative current collector, and the positive active layer comprises lithium iron phosphate primary particles; the isolating membrane comprises a base membrane and a bonding layer, the bonding layer is of a porous continuous structure, and the bonding layer is at least arranged on one side, facing the positive electrode active layer, of the base membrane; the electrolyte comprises a first solvent, and the first solvent comprises one or more of dimethyl carbonate and linear carboxylic ester. The battery monomer has relatively good cycle performance.

Batteries, component structures and manufacturing methods, in particular including a glassy embedded battery electrode assembly having a composite material structure composed of interpenetrating material components including a porous electroactive network including a solid electroactive material, and a continuous glassy medium including a Li ion conducting sulfide glass, can achieve enhanced power output, reduced charging time and / or improved cycle life.

Disclosed is a cylindrical lithium-ion battery, comprising a battery cell, a protection board, a first elastic conductive member, a second elastic conductive member and a fixing cap. The protection board is installed above the battery cell at intervals, a top surface of the protection board is provided with a metal contact. An upper end of the first elastic conductive member abuts against a bottom surface of the protection board and is electrically connected to a positive electrode of the protection board, and a lower end of the first elastic conductive member abuts against a top end of the battery cell and is electrically connected to a positive electrode of the battery cell. An upper end of the second elastic conductive member abuts against the bottom surface of the protection board and is electrically connected to a negative electrode of the protection board.

The embodiment of the invention relates to a lithium cobalt oxide positive electrode material with a composite phase as well as a preparation method and application of the lithium cobalt oxide positive electrode material. The chemical general formula of the lithium cobalt oxide positive electrode material with the composite phase is AXCo (1-y) M (1y) O2, wherein x is more than or equal to 0.5 and less than or equal to 1, y is more than or equal to 0 and less than or equal to 0.03, A is Li or Li and Na, and M1 is one or more of A1, Zr, Ni, Mn, Y, Nb, La, Fe, Cu, Cr, Ti, W, Mg, Mo or Yb; the composite phase of the lithium cobalt oxide positive electrode material comprises an O2 phase, a T2 phase and an O3 phase; wherein the sum of the molar ratios of the O2 phase and the T2 phase in the composite phase is greater than or equal to 90%, and the molar ratio of the O3 phase is less than or equal to 10%. By regulating and controlling the composite phase proportion of the lithium cobalt oxide positive electrode material, the rate capability, the structural stability under high voltage, the stability of a thermodynamic structure, the specific capacity, a discharge platform and other characteristics of the positive electrode material can be effectively improved, so that the lithium cobalt oxide positive electrode material with high energy density and high stability is realized.

The invention provides a doped and coated composite sodium battery positive electrode material as well as a preparation method and application thereof. The doped and coated composite sodium battery positive electrode material comprises an inner core and a coating layer on the surface of the inner core, the chemical general formula of the inner core is NabNixFeyMnzMjO2, x + y + z + j = 1, 0.2 < = x < = 0.6, 0.2 < = y < = 0.5, 0.2 < = z < = 0.5, 0 < j < = 0.2, 0.8 < = b < = 1.2; the coating layer comprises a ferric sodium pyrophosphate material; raw materials for preparing the doped and coated composite sodium battery positive electrode material comprise an inner core, a phosphoric acid ferric sodium pyrophosphate precursor material and a sodium source. The metal elements are doped in the inner core, and the surface is coated with the ferric sodium pyrophosphate material with relatively high stability, so that the inner core can be prevented from being in direct contact with an electrolyte, and the cycle performance of the sodium battery positive electrode material is improved.

The present invention relates to the field of semiconductor manufacturing technology, and in particular to a copper sheet bonding device for punching and feeding semiconductor devices and an assembly method thereof. The tray feeding and gluing device of the mounting equipment provides a copper frame with a first chip and a second chip mounted thereon, and glue is applied to the two pins of the copper frame, the source of the first chip and the second chip, and glue is applied to the gate of the first chip; the jumper punching and feeding device, the jumper mounting device, the image detection mechanism and the unloading mechanism of the mounting equipment respectively complete the punching of the flat strip to form two independent jumpers, and unload the materials after the jumper mounting device completes the mounting. The advantage of the present invention is that two independent jumpers are punched out by the punching and feeding device, and the copper frame is used as a substrate, and two jumper clips are used to interconnect the power semiconductor chip electrodes with the lead-out pins of the copper frame, and the copper sheet bonding reduces chip damage and increases the chip carrying power.

The invention belongs to the technical field of circuit boards, and discloses a composite pressing process of a high multilayer rigid-flex circuit board, which comprises the following steps: performing microstructure processing on the surface of a rigid base material to form a three-dimensional reinforced interface, and performing chemical grafting modification treatment on a flexible base material to generate a multilayer pretreated substrate; identifying the positioning mark of each layer of substrate through an optical positioning system, establishing a lamination stress prediction model in combination with the thermodynamic parameters of the material, and outputting a lamination configuration scheme containing an interlayer matching relationship; placing the configured laminated structure in a multi-temperature-zone press, and executing a three-stage gradient heating and pressurizing program to realize interface fusion between adjacent layers of substrates; monitoring an interlayer deformation difference value of the substrate in real time through a sensing network, and eliminating the deformation difference to obtain a press-fit molded circuit substrate; through heterogeneous interface strengthening design, multi-physical field cooperative pressing and real-time deformation compensation, accurate interface fusion and low-warpage forming of the high-multilayer rigid-flex circuit board are realized.

A vacuum insulating panel includes first and second substrates (e.g., glass substrates), a hermetic edge seal, a pump-out port, and spacers sandwiched between at least the two substrates. The gap between the substrates may be at a pressure less than atmospheric pressure to provide insulating properties. The vacuum insulating panel may include a multi-layer edge seal structure, including at least one layer including boron oxide (e.g., B2O3 or any other stoichiometry).