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446results about How to "Stable resistance" patented technology

Crosslinkable rubber compositions and use thereof

InactiveUS6864315B1High crosslinking rateIncrease production capacityPolymer scienceEnd-group
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.
Owner:MITSUI CHEM INC +1

Heating element, an electronic cigarette and a method for forming the heating element

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.
Owner:KIMREE HI TECH

Sinter-bonded direct pin connections for inert anodes

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.
Owner:ARCONIC INC

Epoxy-siloxanes based electrically conductive adhesives for semiconductor assembly and process for use thereof

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.
Owner:IBM CORP

Nickel foam pin connections for inert anodes

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).
Owner:ARCONIC INC

Graphene/fiber fabric preparation method, graphene/fiber fabric and sensor

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.
Owner:SHENZHEN MICRO & NANO INTEGRATED CIRCUITS & SYST RES INST

High-strength spring steel excellent in brittle fracture resistance and method for producing same

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.
Owner:KOBE STEEL LTD

Developing roller

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.
Owner:SAMSUNG ELECTRONICS CO LTD

Resistive random access memory and method of manufacturing the same

Example embodiments relate to a resistive random access memory (RRAM) and a method of manufacturing the RRAM. A RRAM according to example embodiments may include a lower electrode, which may be formed on a lower structure (e.g., substrate). A resistive layer may be formed on the lower electrode, wherein the resistive layer may include a transition metal dopant. An upper electrode may be formed on the resistive layer. Accordingly, the transition metal dopant may form a filament in the resistive layer that operates as a current path.
Owner:SAMSUNG ELECTRONICS CO LTD

Process or making a semiconductor device having a roughened surface

An oxide film formed on the surface of copper film of an electrode pad is cleaned by oxalic acid after unevenness is formed on the surface of copper film by treating the surface with organic acid. Thereby, stable resistance is obtained when carrying out a characteristic inspection by bringing a probe into contact with the electrode pad, and it is easily recognized by observation through a microscope that the probe is brought into contact with the electrode pad. In addition, wettability with respect to solder is satisfactory, and it is possible to favorably form a solder bump on the electrode pad.
Owner:RENESAS ELECTRONICS CORP

Formation of low resistance via contacts in interconnect structures

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.
Owner:GLOBALFOUNDRIES INC

Semiconductor device

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.
Owner:PANASONIC CORP

UV-radiation absorbing glass with high chemical resistance, especially for a fluorescent lamp, and methods of making and using same

The chemically resistant borosilicate glass has the following composition (in % by weight): SiO2, 67-74; B2O3, 5-10; Al2O3, 3-10; Li2O, 0-4; Na2O, 0-10; K2O, 0-10; MgO, 0-2; CaO, 0-3; SrO, 0-3; BaO, 0-3; ZnO, 0-3; ZrO2, 0-3; CeO2, 0-1; with ΣLi2O+Na2O+K2O=0.5 to 10.5 and ΣMgO+CaO+SrO+BaO+ZnO=0-6. The borosilicate glass is characterized by a composition including 0 to 10% of at least one of TiO2, Bi2O3 and MoO3 and a sum total of TiO2+Bi2O3+MoO3 of 0.1 to 10%. This glass is obtained from the melt under oxidative conditions. The glass is useful in gas discharge lamps, such as Xenon lamps and fluorescent lamps, and display devices, flat structured backlighting devices, and glass-to-metal seals with Mo, Wo and Ni—Fe—Co alloys.
Owner:SCHOTT AG

Switching device

The invention discloses a switching device, mounted in an electronic apparatus. The switching device comprises a housing, an accommodating chamber formed in the housing, a slide button disposed in theaccommodating chamber and a spring provided on the slide button. The accommodating chamber is used for accommodating a printed circuit board in the accommodating chamber, the printed circuit board isprovided with a plurality of metal regions for connecting to other circuits of the electronic apparatus, the slide button is supported at the inner side of the housing under the spring action of thespring, one end of the spring slides under the drive of the slide button and can slide on one of the metal regions, while the other end can slide between other metal regions, and can be selectively supported to one of the other metal regions, so that the electronic apparatus is located at different function states.
Owner:SHENZHEN FUTAIHONG PRECISION IND CO LTD

Indoor network bicycle system for realizing multi-user networking competition and control method thereof

ActiveCN103550911AIncrease enthusiasm for exerciseRaise awareness of participationMovement coordination devicesCardiovascular exercising devicesReal Time KinematicSingle vehicle
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.
Owner:BEIJING TAXING TIANJI SCI & TECH DEV

Constructing and preparation scheme of conductive elastic composite material

The invention belongs to the field of stretchable electronics and relates to a constructing and preparation scheme of a conductive elastic composite material, in particular to a constructing and preparation scheme of a conductive elastic body which keeps high resistance stability when stretches out and draws back. The high-stretching conductive elastic body comprises two main parts including an elastic main body and a conductive layer. The conductive layer adopts graphene, a carbon nano tube and other conductive materials as a basic conductive unit, and the elastic main body serves as a basic structural unit. An experiment result shows that the whole conductivity of the material can reach 10 Scm-1, elastic strain can reach 600-1000%, and the resistance change is smaller than 10% after 10000 times of repeated stretching. The conductive elastic composite material serves as the basic material of a flexible stretchable electronic device, and can be widely used for medical transplanting, intelligent clothes, artificial intelligence, biomimetic materials and the like.
Owner:JIANGNAN GRAPHENE RES INST +1

Carrier and developer for electrostatic image development, and image formation method and apparatus

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.
Owner:FUJIFILM BUSINESS INNOVATION CORP

Flame-retardant resin composition with positive resistance temperature coefficient

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.
Owner:PETROCHINA CO LTD

Supporting structure for adjustable air guide vanes

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.
Owner:MORIROKU TECH

Airstrainer

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.
Owner:ZHEJIANG GOLDENSEA ENVIRONMENT TECH

Conductive rubber member

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.
Owner:SYNZTEC

Composite electric heating carbon film and preparation method

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.
Owner:涂川俊

Preparation method of liquid silicone rubber composition

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.
Owner:SHENZHEN CITY SQUARE SILICONE MATERIALS

Flexible display panel and preparation method thereof, and flexible display device

The invention discloses a flexible display panel and a preparation method thereof, and a flexible display device. As a partial metal routing section in a bending area of the flexible display panel isa double layer structure, the routing of a second metal layer can adopt a design of wavy routing, so that stresses on metal routing during bending can be reduced, the probability of the cracking of the metal routing in the bending area of a flexible display can be decreased, and the stabilization of the resistance value of the metal routing can be ensured; and the effect of enhancing reliability can be achieved through the connection part of the routing of a first metal layer and the routing of the second metal layer, and therefore, the probability of abnormal display caused by the cracking ofthe metal routing can be reduced, and normal signal transmission can be ensured.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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