46results about How to "Excellent plating property" patented technology

The resin composition for a platable substrate of the present invention comprises 100 parts by weight of a resin composition (C) comprising 10 to 60% by weight of a graft copolymer (A) prepared by graft polymerization of a rubbery polymer (A1) and a monomer component (A2) containing an aromatic alkenyl compound monomer unit (a) and a vinyl cyanide compound monomer unit (b) and 40 to 90% by weight of the other polymer (B) (provided that the total amount of the components (A) and (B) is 100% by weight), and 5 to 40 parts by weight of a phosphate ester flame retardant (D) having a molecular weight of more than 326 or 2 to 40 parts by weight of a red phosphorus flame retardant (D'). The resin composition for a platable substrate of the present invention is excellent in production stability such as moldability, dimensional stability, mechanical strength and plating properties, and is also environmentally friendly. Excellent plated parts having good thermal conductivity can be provided by forming a metal plating layer on a resin molded article obtained by molding the resin composition for a platable substrate using a plating treatment. The resulting plated parts are suitable for use as housings for laptop PC and portable devices.

Disclosed is a wrought magnesium alloy having excellent strength and extrusion or rolling formability, and a method of producing the same. The wrought magnesium alloy comprises 0.1 - 1.5 at% group IIIa, 1.0 - 4.0 at% group IIIb, 0.35 at% or less of one selected from the group consisting of groups IIa, IVa, VIIa, IVb, and a mixture thereof, 1.0 at% or less of group IIb, and a balance of Mg and unavoidable impurities and thus has a second phase composite microstructure. The wrought magnesium alloy of the present invention has high strength, toughness, and formability in addition to the electromagnetic wave shield ability of magnesium. Accordingly, the wrought magnesium alloy is a material useful to portable electronic goods, such as notebook personal computers, mobile phones, digital cameras, camcorders, CD players, PDA, or MP3 players, automotive parts, such as engine room hoods, oil pans, or inner panel of door, or structural parts for airplane.

The invention discloses a leveling agent. The leveling agent is a polymer with the number-average molecular weight distribution being 500-20000, and the polymer is formed by reacting one or more kindsof nitrogenous heterocyclic compounds, two or more kinds of polyepoxy compounds and one or more kinds of poly-amino compounds. When the leveling agent is used for electrocoppering, copper layers withthe thicknesses being uniform and surfaces being smooth and flat can be obtained at the opening positions and the insides of high-aspect-ratio through holes as well as the surface of a base materialor the surface of the base material and the insides of high-density interconnected blind holes, copper electroplating liquid has good plating homogenization power and throwing power, good plating capacity is achieved especially for the through holes with the aspect ratio reaching 15 or above and the high-density interconnected blind holes, and the problem that the plating homogenization power andthrowing power of an existing leveling agent cannot meet the practical needs is solved.

A substrate of the present invention is provided with: a laminated wiring board wherein a conductive layer is formed; a through hole penetrating the laminated wiring board; a through hole plating (7)electrically connected to the conductive layer; and a metal piece (10) disposed on the inner side of the through hole plating (7). In the side surface of the metal piece (10), a protruding section (8)directly in contact with the through hole plating (7), and a separated section (9) at a position separated from the through hole plating (7) are formed, and a space surrounded by the separated section (9) and the through hole plating (7) is covered with a metal plating film (13), and the inside of the plating film (13) is filled with a filling material (14).

Provided are: a high-strength hot-dip galvanized steel sheet that has a material quality meeting the high yield strength highly demanded for ultra-high-strength plated steel sheets for which hydrogenembrittlement is a concern, has an excellent plating appearance and excellent hydrogen embrittlement resistance, and has high yield strength suitable for building materials and automotive impact-resistant parts; and a method for manufacturing the same. This high-strength galvanized steel sheet comprises: a steel sheet having a specific component composition and a steel structure that contains at least 70% (including 100%) martensite and bainite, less than 20% (including 0%) ferrite, and less than 5% (including 0%) residual austenite, and having an in-steel diffusible hydrogen content of no more than 0.20 mass ppm; and a galvanized layer formed on the surface of the steel sheet and having an Fe content of 8 to 15%, in mass%, and a plating adhesion amount per surface of 20 to 120 g / m2, wherein the amount of Mn oxide contained in the galvanized layer is no more than 0.050 g / m2, the tensile strength is at least 1,100 MPa, and the yield ratio is at least 0.85.

Provided herein are a steel sheet and a plated steel sheet having a TS of 980 MPa or more and excellent bendability and plating capabilities, a method for producing a hot-rolled steel sheet, a methodfor producing a cold-rolled full hard steel sheet, and a method for producing a steel sheet. The steel sheet includes predetermined compositions, and includes at least one selected from 0.003-0.100% of Ti, 0.003-0.100% of Nb, and 0.005-0.500% of Mo. Polygonal ferrite is 0-80%, and a total of martensite, bainite, and residual austenite is 20-100% in terms of an area ratio in a range of 20 [mu]m ina sheet thickness direction from a steel sheet surface. The content of Mn in martensite present in the range of 20 [mu]m in the sheet thickness direction from the steel sheet surface ([Mn]SM) and thecontent of Mn in a bulk ([Mn]B) satisfies [Mn]SM / [Mn]B <= 1.5, and the martensite has an area ratio of 20-50% at a position 300 [mu]m in the sheet thickness direction from the steel sheet surface.

The present invention addresses the problem of providing a high-strength galvanized steel sheet having excellent plating properties and bendability, and providing a high-strength member, and manufacturing methods therefor. This high-strength galvanized steel sheet comprises: a steel sheet having a component composition which contains prescribed component elements, and for which the mass ratio (Si / Mn) of Si content with respect to Mn content in the steel is at least 0.1 but less than 0.2, the remainder comprising Fe and unavoidable impurities, and a metal structure for which the average particle size of inclusions present in a range from the surface to a position at 1 / 3 the sheet thickness and containing at least one element among Al, Si, Mg, and Ca is 50 mum or less, and the average nearest distance of the inclusions is 20 mum or greater; and, on the surface of the steel sheet, a zinc plating layer for which the plating adhesion amount per surface is 20-120 g / m<2>. The amount of diffusible hydrogen in the steel is less than 0.25 mass ppm, and the tensile strength is 1100 MPa or higher.

The present invention is a quartz glass fiber-containing prepreg, which is characterized by including: (A) a quartz glass fiber; and (B) a curable resin composition, wherein at least one condition ofconditions: (1) a dose of alpha-ray contained in the quartz glass fiber is 0.005 c / cm<2>*hr or smaller, and, each of metal ion contents of Na<+>, Li<+> and K<+> is 1 ppm or lower; (2) the quartz glassfiber contains the number of foams of 10 foams / m<2> or smaller a unit area; and (3) the quartz glass fiber-containing prepreg has the common bending stiffness in the range of a thickness of 100 to 200 [mu]m measured by a method described in JIS R 3420:2013 of 500 N*m<2> or larger is satisfied. This provides a quartz glass fiber-containing prepreg that has particularly excellent dielectric characteristics, has excellent dielectric characteristics and the heat resistance, and / or has high handling property because of high bending stiffness characteristics.

The invention discloses a laser direct structuring material with good comprehensive performance. The laser direct structuring material has good heat stability and high toughness, and is particularly applicable to laser direct structuring. The laser direct structuring material is prepared from the following ingredients in percentage by weight: 65 to 95 percent of polycarbonate, 1 to 20 percent of laser direct structuring additives, 1 to 15 weight percent of tougheners, 1 to 10 percent of inorganic nanometer particles and 0 to 2 percent of other different additives, wherein the laser direct structuring additives comprise a copper-containing laser direct structuring additive and a tin-containing laser direct structuring additive; the ratio of the copper-containing laser direct structuring additive to the tin-containing laser direct structuring additive is (1 to 10) to (9 to 10). The invention also discloses a method for preparing the laser direct structuring material. The laser direct structuring material obtained by the method shows high heat stability and high notch impact strength (being greater than 500J / m) in the processing process.

The invention discloses a manufacturing method of a flexible ultra-thin conductive material, the flexible ultra-thin conductive material prepared by adopting the manufacturing method and an electronicproduct applying the flexible ultra-thin conductive material. The manufacturing method of the flexible ultra-thin conductive material comprises the following steps of: providing a double-sided non-conducting thin film layer, wherein the thickness of the thin film layer is greater than or equal to 1.0 micron and less than or equal to 6 microns; roughening the thin film layer to enable a dyne valueof the thin film layer to be larger than or equal to 44 and smaller than or equal to 70; and carrying out vapor deposition on the two roughened surfaces, and forming at least one metal shielding layer on each surface, wherein the metal shielding layers on the two surfaces are insulated and isolated by the thin film layer. According to the manufacturing method of the flexible ultra-thin conductivematerial, the flexible ultra-thin conductive material with the two non-conducting sides is very thin.

Provided is a method of continuous annealing of steel strips capable of realizing at low cost a low-dew-point annealing atmosphere suitable to annealing steel strips containing an easily oxidizable element such as Si. A vertical annealing furnace is configured such that: a heating zone and a soaking zone are provided in which the steel strip is conveyed vertically; an atmosphere gas is supplied from outside of the furnace into the furnace, and gas in the furnace is discharged from a steel strip introduction section at the bottom of the heating zone; part of the gas in the furnace is sucked in and discharged to a refiner having a deoxygenation device and a dehumidifier device disposed outside the furnace, oxygen and water in the gas are removed to lower the dew point, and the gas with the lowered dew point is returned back into the furnace. When annealing a steel strip in this vertical annealing furnace, a gas injection device having multiple gas outlets in the steel strip sheet-passing direction is provided in the heating zone-soaking zone, suppressing mixing of the furnace atmosphere upstream of the gas injection device and the furnace atmosphere downstream thereof, and the temperature of the steel strip when passing the gas injection device is controlled to 600-700°C.

The substrate includes: a laminated wiring board formed with a conductive layer; a through hole penetrating through the laminated wiring board; a through hole plating layer (7) electrically connected to the conductive layer; and a metal sheet (10) arranged on the through hole plating layer Inside of (7), a protrusion (8) directly in contact with the through-hole plating (7) and a separation portion (9) at a position spaced from the through-hole plating (7) are formed on the side of the metal sheet (10) , the space surrounded by the separation part (9) and the through-hole plating layer (7) is covered with a metal plating film (13), and the inner side of the plating film (13) is filled with a filling material (14).

One aspect of the present invention relates to a low-specific-gravity clad steel sheet having excellent strength and plateability, the clad steel sheet comprising a base metal, and a clad material provided at both sides of the base metal, wherein the base metal is a ferritic-austenitic duplex lightweight steel sheet comprising, by wt%, 0.3-0.7% of C, 2.0-9.0% of Mn, 4.5-8.0% of Al and the balanceof Fe and inevitable impurities, and the clad material is a ferritic carbon steel comprising, by wt%, 0.0005-0.2% of C, 0.05-2.5% of Mn and the balance of Fe and inevitable impurities.

The invention discloses a manufacturing method of a nano-alloy material, the nano-alloy material prepared by the manufacturing method and an electronic product applying the nano-alloy material. The manufacturing method of the nano-alloy material comprises the following steps of providing an aluminum foil film layer with the thickness of more than or equal to 10 microns, and is less than or equal to 100 microns; vapor deposition is carried out on the surface of the aluminum foil film layer, at least one weldable metal layer is formed on the surface, and the thickness of the weldable metal layeris larger than or equal to 0.05 micrometer and smaller than or equal to 15 micrometers. According to the manufacturing method of the nano-alloy material, the weldable metal layer is arranged on the aluminum foil film layer, so that the cost of the weldable nano alloy material is greatly reduced.

The present invention provides a thin steel sheet having a TS of 590 MPa or more, an excellent strength-ductility balance, a low yield ratio, an excellent in-plane anisotropy of YP, and excellent platability. A thin steel plate having a specific composition and having a steel structure that contains predetermined amounts of ferrite and martensite in terms of area ratio, the average grain size of ferrite is 20 μm or less, and the The average size is 15 μm or less, the ratio of the average grain size of ferrite to the average size of martensite (average grain size of ferrite / average size of martensite) is 0.5 to 10.0, and the above-mentioned martensite and The above ferrite hardness ratio (hardness of martensite / hardness of ferrite) is not less than 1.0 and not more than 5.0, and the texture of ferrite is measured by the inverse strength ratio of γ-fibers to α-fibers It is 0.8 or more and 7.0 or less, and the tensile strength is 590 MPa or more.

The present invention provides a method for manufacturing thin steel sheets, plated steel sheets, hot-rolled steel sheets, cold-rolled full-hard steel sheets, and thin steel sheets having a TS of 980 MPa or more and excellent bendability and platability. It has a predetermined composition and contains at least one selected from Ti: 0.003 to 0.100%, Nb: 0.003 to 0.100%, and Mo: 0.005 to 0.500%. In the range of 20 μm from the surface in the thickness direction, the polygonal ferrite is 0 to 80%, and the sum of martensite, bainite and retained austenite is 20 to 100%. The amount of Mn in the martensite existing in the range of 20 μm in the direction: [Mn] SM With the amount of Mn in the body: [Mn] B meet [Mn] SM / [Mn] B ≤1.5, at the position 300 μm away from the surface in the thickness direction, the martensite is 20-50%.