46results about How to "Low coefficient" patented technology

A heat treatable coated article including an infrared (IR) reflecting layer (e.g., of or including Ag), the coated article being able to attain a .DELTA.E* (glass side) no greater than about 3.0, more preferably no greater than 2.5, and even more preferably no greater than 2.0, following or due to heat treatment (e.g., thermal tempering). Accordingly, low-E (i.e., low emissivity) coated articles of certain embodiments of this invention appear from the glass side thereof visually similar to the naked eye both before and after heat treatment. Coated articles herein may be used in the context of insulating glass (IG) window units, vehicle windshields, or any other suitable applications. In certain embodiments of this invention, an exemplary layer stack includes: glass / Si.sub.3 N.sub.4 / NiCr / Ag / NiCr / Si.sub.3 N.sub.4. Other materials may instead be used without departing from the scope and / or spirit of the instant invention which is a low-E matchable product.

Free standing articles or articles at least partially coated with substantially porosity free, fine-grained and / or amorphous Co-bearing metallic materials optionally containing solid particulates dispersed therein, are disclosed. The electrodeposited metallic layers and / or patches comprising Co provide, enhance or restore strength, wear and / or lubricity of substrates without reducing the fatigue performance compared to either uncoated or equivalent thickness Cr coated substrate. The fine-grained and / or amorphous metallic coatings comprising Co are particularly suited for articles exposed to thermal cycling, fatigue and other stresses and / or in applications requiring anti-microbial and hydrophobic properties.

A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a hydrosilylation-curable silicone composition comprising a silicone resin, and heating the impregnated fiber reinforcement at a temperature sufficient to cure the silicone resin, wherein the reinforced silicone resin film comprises from 10 to 99% (w / w) of the cured silicone resin and the film has a thickness of from 15 to 500 μm; and a reinforced silicone resin film prepared according to the method.

The present invention relates to a method of making a cavity substrate. In accordance with a preferred embodiment, the method includes: providing a sacrificial carrier and optionally an electrical pad that extends from the sacrificial carrier in the first vertical direction; providing a dielectric layer that covers the sacrificial carrier in the first vertical direction; removing a selected portion of the sacrificial carrier; attaching a stiffener to the dielectric layer from the second vertical direction; forming a build-up circuitry from the first vertical direction; and removing the remaining portion of the sacrificial carrier to expose electrical contacts from the second vertical direction. A semiconductor device can be mounted on the cavity substrate and electrically connected to the electrical contacts within the built-in cavity of the cavity substrate. The stiffener can provide mechanical support for the build-up circuitry and the semiconductor device.

The present invention provides a solder resist material, which can suppress the warpage of a semiconductor package upon exposure to heat or impact even when used in a thin wiring board and meets a demand for size reduction in electronic devices and a higher level of integration, and a wiring board comprising the solder resist material and a semiconductor package. The solder resist material of the present invention can effectively suppress the warpage of a semiconductor package through a fiber base material-containing layer interposed between resin layers. The fiber base material-containing layer is preferably unevenly distributed in the thickness direction of the solder resist material.

Disclosed herein is an insulating resin composition for a printed circuit board, including 40 to 70 wt % of a liquid crystal oligomer shown in formula 1, 10 to 30 wt % of an epoxy resin, 10 to 30 wt % of a cyanate-based resin, and 0.1 to 0.5 wt % of a curing catalyst, and a printed circuit board including the same.According to an exemplary embodiment of the present invention, the printed circuit board has electric, thermal, and mechanical stabilities even though the printed circuit board is reduced in weight, thickness, and size. Further, a stable driving property is ensured, dielectricity is low, and attachment strength, chemical resistance, and warpage property are excellent during a board process in the related art.

Provided a charging member which can prevent any contaminants deposited on a cleaning member from adhering thereto by making low a surface free energy and coefficient of friction thereof. The charging member has a substrate, an elastic layer and a surface layer, and the surface layer contains a polymer having an Si—O—W linkage; the polymer having a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (2):

Heating devices and methods which are particularly useful in vending machines for hot products. Products such as foods, including beverages, contained in individual containers such as cans are rapidly heated to serving temperature by induction heating for delivery to a customer. Various types of products with different heating characteristics are rapidly heated without deleterious effects on the product by varying the power and timing of the inductive heating. The type of product is identified by machine-readable indicia on the container which are automatically scanned prior to heating. The product containers may be agitated before, during and / or after heating to mix the contents and distribute heat evenly. The containers are heated in a manner to safely heat the product without overheating or causing damage to the container. A power management protocol turns off non-essential components of the vending machine while the inductive heater is energized to permit the vending machine to operate on a standard 120 VAC, 15 A electrical circuit without overload.

A wheel arrangement for a four-wheeled vehicle is comprised of a front wheel, two side wheels and a rear wheel, whereas the rear wheel is connected to the frame of the vehicle by a supporting base enabling the same to be steered freely while having a ground-touching point of the same to be biased from the axis of the supporting base by a distance, and the front wheel can be specified as a driving wheel, a free-rolling steering wheel or just a steering wheel with respect to actual requirement, and the two side wheels can be specified as a driving wheels or free-rolling wheels while enabling the axis of the two side wheels to be aligned to a straight line without sharing a same shaft. The wheel arrangement can be a rhombus configuration as the distances between the center of the front wheel and the centers of the two side wheels are the same as that of the center of the rear wheel and the centers of the two side wheels, or can be a diamond configuration as the distances between the center of the front wheel and the centers of the two side wheels are different from that of the center of the rear wheel and the centers of the two side wheels.

An article includes an electrodeposited metallic material including Co with a minimum content of 75% by weight. The metallic material has a microstructure which is fine-grained with an average grain size between 2 and 5,000 nm and / or an amorphous microstructure. The metallic material forms at least part of an exposed surface of the article. The metallic material has an inherent contact angle for water of less than 90 degrees at room temperature when measured on a smooth exposed surface portion of the metallic material which has a maximum surface roughness Ra of 0.25 microns. The metallic material has an exposed patterned surface portion having surface structures having a height of between at least 5 microns to about 100 microns incorporated therein to increase the contact angle for water at room temperature of the exposed patterned surface portion to over 100 degrees.

Disclosed is a curable composition having a low CTE. In one embodiment, a curable composition is disclosed that comprises (i) a binder comprising at least one epoxy compound of the structure: X—((CH2)m—(N)—((CH2)n-(Z))2)p wherein X is an aromatic ring or a six membered cycloaliphatic ring, m is from about 0 to about 2, n is from about 1 to about 3, Z is an epoxy group of empirical formula: C2H3O, p is a number from about 2 to about 3, and (ii) a cross-linking agent comprising at least one polyamine. This curable composition is characterized by a CTE of no more than 60 ppm / ° C. when cured for a time of from about 20 to about 60 minutes at temperature of from about 100 to 240° C. Also disclosed are methods of making integrated circuits and integrated circuits made there from, especially flip chips.

It is aimed to provide a plated member and a plated terminal for connector, to which a large current can be applied and which have both a low friction coefficient and high heat resistance, at low cost and provide a method for producing such a plated member and a method for producing such a plated terminal for connector. A silver-tin alloy layer for coating a surface of a base material made of copper or copper alloy and a silver coating layer for coating the silver-tin alloy layer and to be exposed on an outermost surface are simultaneously formed by heating to obtain a plated member after tin and silver plating layers are alternately laminated on the surface of the base material with the outermost surface formed by the silver plating layer.

A polyimide precursor consisting of a repeating unit represented by the following chemical formula (1):anda repeating unit represented by the following chemical formula (2):in which A is a tetravalent group of a tetracarboxylic acid, from which carboxyl groups have been removed; B is a divalent group of a diamine, from which amino groups have been removed; with the proviso that the A group and the B group contained in each repeating unit may be the same as, or different from each other; and X1 and X2 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms,the amount of the repeating unit represented by the chemical formula (2) is 30 mol % or more and 90 mol % or less relative to the total repeating units,50 mol % or more of the total amount of the B group in the chemical formula (1) and the chemical formula (2) is p-phenylene group and / or a specific divalent group containing two or more benzene rings,the polyimide precursor is produced by thermal imidization.

A cryogenic, ultra high-speed rolling bearing comprises an inner ring 12 fitted onto a rotating shaft rotating at ultra-high speeds under cryogenic conditions, an outer ring 14 concentrically surrounding the inner ring with a space therebetween and fitted onto a fixed portion, a plurality of rolling elements 16 rotatably inserted in the space between the inner ring and the outer ring, and a retainer 20 located between the inner ring and the outer ring to hold the rolling elements at intervals therebetween. The retainer 20 comprises a retainer body 22 having a plurality of pocket holes 21 formed therethrough in a radial direction to contain the rolling elements at intervals therebetween, and a solid lubricant film 24 (pocket hole coating 24A and guideway coating 24B) provided on the inner surfaces of the plurality of pocket holes and a guideway contacting the inner or outer ring and having transfer properties and a low friction coefficient enough for cryogenic conditions.

A new lead-free glass flux suitable for the decoration of ceramic materials comprises SiO2, Al2O3, B2O3 and Li2O as essential components. The lead-free glass flux is a glass mixture in which a glass composition having a relatively low coefficient of thermal expansion and a glass composition having a relatively high coefficient of thermal expansion and a relatively high chemical resistance are mixed at an appropriate ratio.

A friction-reducing sleeve that may be easily installed on a pool cue to provide the user with a comfortable ergonomic grip while providing low static and dynamic coefficients of friction preferably comprises an open ended, generally tubular seamless sleeve that may be fabricated with one or more layers of woven, natural and / or synthetic, material. The cue sleeve is preferably generally cylindrical, but capable of radial self-adjustment, to maintain a conforming fit that results in constant contact between the inner surface of the sleeve and the tapered outer surface of the cue. The sleeve outer surface is characterized as having a high static coefficient of friction to ensure a slip-free grip.

Methods of forming a golf club head having improved aerodynamic characteristics are disclosed herein. A preferred method is the largest tangent circle method, which utilizes a Cartesian coordinate system. The method results in identification of the highest point of the crown surface located within a crown apex zone, and this location aids in the design of improved aerodynamic properties of the golf club head.

The present invention relates to an epoxy resin composition for an optical semiconductor device, including the following ingredients (A) to (E): (A) an epoxy resin; (B) a curing agent; (C) a white pigment; (D) an inorganic filler; and (E) a silane coupling agent, in which a total content of the ingredient (C) and the ingredient (D) is from 69 to 94% by weight of the whole of the epoxy resin composition, and the ingredient (E) is contained in an amount satisfying the specific conditions.

A surface-coated cutting tool includes a base material on which formed an inner layer composed of a compound containing Al, at least one of elements Cr and V and at least one element selected from the group consisting of nitrogen, carbon and oxygen, and an outermost layer composed of a carbonitride of TiSi is further formed on the inner layer. The surface-coated cutting tool is appropriately used for such tools as drill, end mill, throwaway tips for milling and turning, metal saw, gear cutting tool, reamer, and tap. The surface-coated cutting tool improved in peeling resistance and wear resistance as compared with conventional tools can thus be provided.

Techniques for measuring spatial locations. An apparatus for measuring spatial locations includes a first object at a first location, a second object at a second location, and a waveguide-based interferometer coupled between the first object and the second object. The waveguide-based interferometer includes a waveguide material. The waveguide material is adapted to carry at least a reference beam and a measurement beam. The reference beam traverses a first path defined within the waveguide material. The measurement beam traverses a second path defined within the waveguide material and a third path defined outside of the waveguide material. The third path is related to at least one of the first location and the second location.

A glass-ceramic has a hexacelsian as a primary crystal phase and is characterized by satisfying a relation of 0<=I(101) / I(110)<=1.5 when a diffraction intensity of (101) face of hexacelsian in an X-ray diffraction is I(101) and a diffraction intensity of (110) face thereof is I(110).

The present invention relates to a cyanate ester resin composition and a prepreg, a laminated material and a metal clad laminated material made therefrom. The cyanate ester resin composition comprises cyanate ester resin, non-halogen epoxy resin, and inorganic filler material, and the structural formula of the cyanate ester resin is as the following:wherein, R and R1 represent hydrogen, alkyl, aryl or aralkyl, and n represents an integer between 1 and 50.The cyanate ester resin composition of the present invention has good mechanical properties, heat resistance and flame retardance. The laminated material and the metal clad laminated material made from the prepreg that is made from the cyanate ester resin composition, still have good flame retardance, low coefficients of thermal expansion in X, Y directions, and good mechanical properties, without using halogen-containing compounds or phosphorus-containing compounds as the flame retardant.

A cleaning blade for image-forming apparatuses is provided which is reduced in the coefficient of friction to attain a shortened slipping distance and thereby produce excellent cleaning performance. The cleaning blade can be easily produced at low cost. The cleaning blade for image-forming apparatus is formed from a thermoplastic elastomer comprising: a rubber ingredient comprising any one of a hydrogenerated acrylonitrile-butadiene rubber (HNBR), carboxylated acrylonitrile-butadiene rubber (XNBR), hydrogenerated carboxylated acrylonitrile-butadiene rubber (HXNBR), styrene-butadiene rubber (SBR), and ethylene / propylene / diene copolymer rubber (EPDM); and a thermoplastic fluororesin powder incorporated as the only resin powder in the rubber ingredient. The thermoplastic fluororesin powder has been incorporated in an amount of 1-80 parts by mass per 100 parts by mass of the rubber ingredient. The thermoplastic fluororesin powder has an average particle diameter of 0.1-20 um.

Provided a charging member which can prevent any contaminants deposited on a cleaning member from adhering thereto by making low a surface free energy and coefficient of friction thereof. The charging member has a substrate, an elastic layer and a surface layer, and the surface layer contains a polymer having an Si—O—W linkage; the polymer having a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (2):

The present invention relates to an epoxy resin composition for an optical semiconductor device, including the following ingredients (A) to (E): (A) an epoxy resin; (B) a curing agent; (C) a white pigment; (D) an inorganic filler; and (E) a silane coupling agent, in which a total content of the ingredient (C) and the ingredient (D) is from 69 to 94% by weight of the whole of the epoxy resin composition, and the ingredient (E) is contained in an amount satisfying the specific conditions.

A surface-coated cutting tool includes a base material on which formed an inner layer composed of a compound containing Al, at least one of elements Cr and V and at least one element selected from the group consisting of nitrogen, carbon and oxygen, and an outermost layer composed of a carbonitride of TiSi is further formed on the inner layer. The surface-coated cutting tool is appropriately used for such tools as drill, end mill, throwaway tips for milling and turning, metal saw, gear cutting tool, reamer, and tap. The surface-coated cutting tool improved in peeling resistance and wear resistance as compared with conventional tools can thus be provided.

The invention provides a transparent conductive substrate using allyl ester heat-curable resin, comprising a compound having a group represented by formula (2) as terminus and a group represented by formula (3) as repeating unit,(In the formulae, R3 A2 and A3 have the same meanings as defined in the Description). The transparent conductive substrate is useful as a plastic substrate for display device, characterized by excellent heat resistance and chemical resistance, a low average linear expansion coefficient and high transparency, where warpage, deformation, crack of wiring are hard to occur in a process of thin film device formation.

In a satellite control system, a liquid is ejected by thermal ejection from holes in a substrate structure to create a reactive force on the satellite allowing the position, such as the attitude, of the satellite to be adjusted.

It is aimed to provide a plated member and a plated terminal for connector, to which a large current can be applied and which have both a low friction coefficient and high heat resistance, at low cost and provide a method for producing such a plated member and a method for producing such a plated terminal for connector. A silver-tin alloy layer for coating a surface of a base material made of copper or copper alloy and a silver coating layer for coating the silver-tin alloy layer and to be exposed on an outermost surface are simultaneously formed by heating to obtain a plated member after tin and silver plating layers are alternately laminated on the surface of the base material with the outermost surface formed by the silver plating layer.

A low temperature coefficient oscillator including a current generator, a first and a second voltage generator, an amplifier, a resistor, a switch, a capacitor and an oscillating unit is provided. The current generator generates a first through a fourth current according to a control signal. The first voltage generator generates a first voltage according to the first current. The second voltage generator generates a second voltage according to the second current and a frequency signal. The amplifier generates the control signal according the first and second voltages. The resistor is coupled between a first terminal of the switch and ground, and a first terminal thereof receives the third current. The switch is conducted or not according the frequency signal. The capacitor is coupled between a second terminal of the switch and ground. The oscillating unit generates the frequency signal according to the fourth current and a voltage of the capacitor.