440results about How to "Stable resistance" patented technology

The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene/α-olefin/non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor. The automobile weatherstrip, hose, rubber vibration insulator, belt, sealing material, expanded product, covered electric wire, electric wire joint, electric insulating part and household rubber product according to the invention comprise the above-mentioned rubber composition. The rubber composition has a high crosslinking rate and excellent productivity to produce crosslinked rubber molded products, is capable of undergoing hot-air crosslinking such as HAV or UHF and is capable of providing crosslinked rubber molded products having excellent compression set resistance, strength properties, heat resistance, weathering resistance and abrasion resistance.

A heating element, electronic cigarette and method for forming heating element. The heating element includes a heating part and a connection part extending along both ends of the heating part so as to form a first connection end and a second connection end, which are electrically connected to a drive circuit respectively. The first connection end, the second connection end and the heating part are integrative, and the first connection end and the second connection end both has a coating covered on outer surface of them respectively. The heating element is integrated designed without any complex technique of the welding or riveting, and via electroplating to form a coating on the heating element instead, the production efficiency of the heating element gets highly improved, costs reduced and a stable resistance value gets obtained in the mass-produced heating elements, involving a consistency in mass production.

A sintered electrode assembly is made of an inert electrode (15) containing a sealed metal conductor (20) having a surface feature (30) such as a coating or wrapping which aids in bond formation with the inert electrode (15) at their interface (45), where the metal conductor (20) is directly contacted by and is substantially surrounded by the inert electrode (15) without the use of metal foam or metal powders.

The invention is directed to improved conductive adhesives for solder-free interconnections in microelectronic assembly processes such as for chip carrier-to-substrate attachment. These adhesives are characterized by low tensile modulus, low resistivity, high adhesion strength, and durability of these properties during reliability stress conditions of thermal shock, thermal aging, and temperature/humidity (85.degree. C./85%) exposure of the assembled devices. The adhesives contain a homogeneous solution of a siloxane containing epoxide, a curing agent, a curing catalyst and an organic polymeric or oligomeric additive. A conductive filler is added to the solution forming the filler. Preferred fillers are Ag coated with Pd and Ag coated with Au.

An electrode assembly useful in manufacturing aluminum, contains a hollow inert electrode (12) containing a metal conductor (14) surrounded and held in place by at least one seal (16) and a mass of metal foam (26).

The invention relates to a graphene/fiber fabric preparation method, which is characterized by comprising the following steps of 1) immersing fiber fabric in a bovine serum albumin solution at a room temperature, drying the fiber fabric, and cleaning the fiber fabric by utilization of deionized water so as to obtain cationized fiber fabric; 2) immersing the cationized fiber fabric obtained in the step 1) into a graphene oxide solution, and drying to obtain graphene oxide/fiber fabric; 3) immersing the graphene oxide/fiber fabric obtained in the step 2) into a reducing agent, cleaning by utilization of the deionized water, and drying to obtain the graphene/fiber fabric. The preparation method provided by the invention has the advantages that the technology is simplified, the graphene/fiber fabric prepared according to the preparation method is well compounded with graphene, and the effects of stable resistance, high sensitivity, security and environmental friendliness are achieved.

A spring steel having a high strength of 1900 MPa or more and superior in the brittle fracture resistance, as well as a method for manufacturing the same, are provided.

The high strength spring steel comprises, as basic components in mass %, C: 0.4-0.6%, Si: 1.4-3.0%, Mn: 0.1-1.0%, Cr: 0.2-2.5%, P: 0.025% or less, S: 0.025% or less, N: 0.006% or less, Al: 0.1% or less, and O: 0.003% or less, the amount of solute C being 0.15% or less, the amount of Cr contained as a Cr-containing precipitate being 0.10% or less, and a TS value represented by the following equation being 24.8% or more, and in point of structure, the pre-austenite grain diameter being 10 μm or smaller, wherein TS=28.5*[C]+4.9*[Si]+0.5*[Mn]+2.5*[Cr]+1.7*[V]+3.7*[Mo] where [X] stands for mass % of element X.

A developing roller includes a central shaft and a body. The body of the roller contains a urethane modified polyester resin. The developing roller of an embodiment of the present invention features substantial durability, and stable toner chargeability, despite changes in the surroundings.

A method of fabricating an interconnect structure including the steps of: forming a porous or dense low k dielectric layer on a substrate; forming single or dual damascene etched openings in the low k dielectric; placing the substrate in a process chamber on a cold chuck at a temperature about −200° C. to about 25° C.; adding to the process chamber a condensable cleaning agent (CCA) to condense a layer of CCA within the etched openings on the substrate; and activating at a temperature about −200° C. to about 25° C. Also provided is an interconnect structure having a substrate, a conductive material disposed on the substrate, a porous or dense low k dielectric layer disposed on the conductive material, wherein the low k dielectric layer has a single or dual damascene etched openings that expose a surface of the conductive material, and metallic lines and vias etched onto the low k dielectric layer; wherein the exposed conductive material has been treated with a CCA and activated in the cold to remove oxide, oxygen and carbon containing residues from the surface of the conductive material.

An automobile slide adjuster includes a lower rail to be secured to a vehicle body and an upper rail slidably mounted on the lower rail. A plurality of rolling elements are disposed between the upper and lower rails at a lower portion thereof. The upper rail has a plurality of upward protrusions formed on an upper portion thereof and also has an elongated opening formed along a lower edge of each of the plurality of upward protrusions. The upward protrusions are held in sliding contact with a portion of the lower rail.

A semicoductor device includes: a collector layer made of a first conductivity type semiconductor; an intrinsic base layer formed on the collector layer and including a second conductivity type monocrystalline silicon germanium layer; a base extraction electrode formed around the intrinsic base layer and including a second conductivity type polycrystalline silicon layer and a second conductivity type polycrystalline silicon germanium layer; and a first conductivity type emitter layer formed in an upper portion of the intrinsic base layer. A silicon layer is formed in the upper portion of the intrinsic base layer and the emitter layer includes an upper emitter region formed in an upper portion of the silicon layer and a lower emitter region formed below and in contact with the upper emitter region.

The invention discloses an indoor network bicycle system for realizing multi-user networking competition and a control method thereof. The indoor network bicycle system for realizing multiplayer networking competition comprises a network server and an indoor bicycle, wherein the indoor bicycle is provided with a generator and a sensor; a control device connected with the network server through a media device is mounted on the indoor bicycle; the control device comprises a rotating speed sampling module, a rectifying module, a sampling module, a load adjusting module and a central processing unit for receiving information from above modules and the sensor; the media device comprise a network device, an executing device, a display screen and an input device; the executing device is connected to the network device, the display screen, the input device and the control device respectively. The indoor network bicycle system for realizing multiplayer networking competition is capable of transmitting real-time information of the current indoor bicycle to the network server, and the network server virtualizes a real-time motion state of each user in a provided exercising scene, so that synchronous competition of multiple users in the same scene can be realized, and sense of participation of the users is improved.

The present invention provides a carrier for electrostatic image development, and a developer, an image formation method and an image formation apparatus using the carrier. The carrier is carrier particles. When the carrier particles each have a coating layer on a magnetic particle, the carrier has a total energy amount of 1500 to 3000 mJ. When the carrier particles each have a coating layer on a magnetic powder-dispersed particle, the carrier has a total energy amount of 1000 to 1500 mJ. The total energy amount is measured with a powder rheometer at a tip end speed of a rotor of 100 mm/s and a helix angle of the rotor of −5°. The total energy amount is a value of a portion of the carrier in a measurement container which portion is contained in the region between the packed surface of the carrier and a surface disposed under the packed surface by 70 mm.

Disclosed is a flame-retardant resin composition with positive resistance temperature coefficient, which comprises 30-60% LLDPE, 10-30% chlorinated polyethylene, 15-25% conductive carbon black, 10-20% decabromodiphenyl oxide and antimony trioxide common flame retardant, 5-10% processing adjuvant. The heating cables produced from the composition have good tensile property, bending property and gumming ageing characteristics.

A structure for supporting an air guide vane in a supply opening for air conditioning prevents abrupt changes of load resistance to rotation of the air guide van and provides a good operational feel when rotating the air guide vane. A supporting member of the air guide vane is an olefin-based thermoplastic elastomer having a hardness of between Shore A80 and Shore D60. The degree of mold transferability of olefin-based thermoplastic elastomer is characteristically lower than that of other thermoplastic elastomers. By virtue of molding an olefin-based thermoplastic elastomer microscopic concavities and convexities are formed on the surface of the supporting member. The rotation shaft of the air guide vane is supported by multiple point contacts with the inner surface respective through-holes.

The invention relates to an air filter screen, a preparation method and application thereof. The air filter screen is produced by knitting composite heat melting adhesive wire of sheath-core type along radial and latitudinal directions; the filter screen is flat; the angle formed by the radial wire and the latitudinal wire is 30-90 degrees; each radial wire and each latitudinal wire are contacted and adhered at the crossing points; the melting point of the core layer material of the sheath-core type composite heat melting adhesive wire is 40 DEG C or higher than the melting point of the sheath material. The preparation method of the filter screen comprises the following steps: net knitting and heating adhesion; the temperature of heating adhesion is 20-40 DEG C higher than the melting temperature of the sheath material, but 20 DEG C or more lower than the temperature of the core layer material. The air filter screen can be applied to a household air-conditioner, an air purifier device or an air refresher. The air filter screen has firm structure; when air filtering and cleaning are carried out, the radial and latitudinal wires can not displace, which enables the filtering efficiency of the filter screen to be stable and air resistance distribution to be even.

An object of the present invention is to provide a conductive rubber member which exhibits small environmental dependency and stable electrical resistance. The conductive rubber member is formed of a conductive elastic layer which has been imparted with conductivity by means of a conductivity-imparting agent. The conductive elastic layer has, at a surface portion thereof, a surface-treated layer which has been formed through impregnating the surface with a surface-treatment liquid containing an isocyanate component and an ion-conducting polymer.

A composite electric heating carbon membrane contains heat resisting substrate, electric carbon membrane ,oxidation resisting protective coating, conductive electrode, wherein the electric carbon membrane consisting of scale graphite, carbon fiber, steel fiber, zinc stearate, phenolic resin, pioloform and acetone, oxidation resisting protective coating consisting of boron carbide, silicon carbide, silica fume, mini-aluminium phosphate and water. The preparation method contains painting, hot pressing, oxygen isolation charring and solidifying after spraying. The surface heating temperature can be high than 2000 deg.C.

The invention relates to a preparation method of a liquid silicone rubber composition. The preparation method includes mixing polydimethylsiloxane, silica powder, magnesium carbonate, silane modificated conductive carbon black, fumed silica and treating agent to obtain a mixture, subjecting the mixture to heat treatment at 100-150 degrees for 0.5-5h, heating the mixture to 120-160 DEG C, evacuating the mixture under vacuum of -0.04--0.1MPa for 2-6hs, and grinding the mixture 2-4 times to obtain base gum after cooling the same to the indoor temperature; adding and mixing polydimethylsiloxane attenuation and platinum catalyst in the base gum at the normal temperature to obtain material A; adding and mixing polydimethylsiloxane attenuation, cross-linking agent and negative catalyst in the base gum at the normal temperature to obtain material B; mixing the material A and the material B, by weight, in the proportion of 1:1, subjecting the mixture to solidification at 100-200 DEG C for 0.1-50h to obtain the liquid silicone rubber composition. The preparation method is simple, and the liquid silicone rubber contains ultra-low low-molecular-weight content and is high in compression permanent deformation rate.