Abstract: This invention relates to a tire with a tread of a natural rubber-rich rubber composition. A partial replacement of the natural rubber in the tire tread is accomplished by an inclusion of a relatively low Mooney viscosity specialized trans 1,4-polybutadiene. The tire tread rubber composition is comprised of a blend of the specialized trans 1,4-polybutadiene polymer and cis 1,4-polyisoprene natural rubber optionally together with at least one additional diene-based elastomer in which the natural rubber remains a major portion of the elastomers in the tread rubber composition. A significant aspect of the invention is a partial replacement of natural cis 1,4-polyisoprene rubber in the tread rubber composition. The specialized trans 1,4-polybutadiene polymer has a relatively low Mooney (ML1+4), 100° C., viscosity within a range of 25 to 55.

Abstract: A two-step stripping method for removing via photoresist during the fabrication of trench-first partial-via dual damascene features is disclosed. In the first cleaning step, inert gas (He, Ar, N2)/fluorocarbon plasma is used to contact the remaining “Via Photo” for a short time period not exceeding 20 seconds. Thereafter, in the second cleaning step, a reducing plasma is used to completely strip the remaining “Via Photo”, thereby preventing the low-k or ultra low-k carbon-containing dielectric layer from potential carbon depletion.

Abstract: A method for avoiding resist poisoning during a damascene process is disclosed. A semiconductor substrate is provided with a low-k dielectric layer (k?2.9) thereon, a SiC layer over the low-k dielectric layer, and a blocking layer over the SiC layer. The blocking layer is used to prevent unpolymerized precursors diffused out from the low-k dielectric layer from contacting an overlying resist. A bottom anti-reflection coating (BARC) layer is formed on the blocking layer. A resist layer is formed on the BARC layer, the resist layer having an opening to expose a portion of the BARC layer. A damascene structure is formed in the low-k dielectric layer by etching the BARC layer, the blocking layer, the SiC layer, and the low-k dielectric layer through the opening.

Abstract: A computer host casing includes a first side board on the left side wall and a second side board on the right side wall and a plurality of connection members fastening to computer host side walls by riveting. The first and second side boards have respectively latch elements located thereon. The latch elements may be moved by hands to latch on latch troughs formed on the side walls of the computer host thereby to facilitate fast assembly, and also provide conveniences for hand carrying and resting on the floor.

Abstract: The present invention relates to the preparation of syndiotactic 1,2-polybutadiene polymer using a catalyst containing a carbon disulfide in which the polymerizate thereof is treated with hydrogen peroxide, to preparation of a composite of conjugated diene-based elastomer and syndiotactic 1,2-polybutadiene polymer using a catalyst containing a carbon disulfide which the polymerizate thereof is treated with hydrogen peroxide, a rubber composition containing said syndiotactic 1,2-polybutadiene polymer and/or said composite and a tire having at least one rubber component thereof.

Abstract: A commutate silencer of a computer system is described. The commutate silencer of the computer system is installed at the back end of the computer system, and comprises a shield device, a commutate device and at least one partition. The shield device comprises a first shield and a second shield, in which the first shield comprises an opening, the first shield and the second shield construct a first cavity, and the first cavity includes a plurality of outlets. The commutate device comprises a frame and a plurality of commutate diversion plates, in which the frame construct a second cavity, the diversion plates traverse the second cavity, the second cavity has an inlet and a ventilated opening, and the ventilated opening is connected to the opening of the first shield.

Abstract: A heat dissipation device with heat pipes is described. The heat dissipation device has at least one L-shaped heat pipe, a plurality of heat fins, and a heat sink base. One end of the L-shaped heat pipe is coupled to one heat pipe fixing trench of the heat sink base so as to increase a contact area for transmitting heat and therefore improve a heat dissipation efficiency thereof. The heat fins includes at least one upper heat fin and at least one lower heat fin to couple to the L-shaped heat pipe via a round opening and a long opening respectively. The heat dissipation device therefore reduces a volume thereof and save an occupation space in an electrical device.

Abstract: A heat dissipation module including heat pipes. The heat dissipation module includes a seat with grooves, heat pipes and two fin assemblies. The heat pipes are secured in the grooves at a first end and extend at the second end thereof. A first fin assembly with parallel first fins is soldered to the seat, covering the grooves and heat pipes. A second fin assembly with parallel second fins is secured to the cantilevered end of the heat pipes.

Abstract: A DRAM cell and a method for fabricating the same are provided. The method includes: forming a trench in a substrate; forming a first capacitor dielectric layer on the surface of the trench; forming a conducting layer inside the trench; forming a second capacitor dielectric layer on the surface of the substrate and on the conducting layer, wherein the substrate around the first and second capacitor dielectric layers serves as a bottom electrode; forming a protruding electrode on the substrate, the protruding electrode being on the substrate around the trench and covering a junction between the trench and the substrate; and electrically connecting the protruding electrode and the conducting layer, the conducting layer and the protruding electrode being an upper electrode.

Abstract: A heat dissipation device with heat pipes is described. The heat dissipation device includes at least one U-shaped heat pipe, a plurality of heat fins, and a heat sink base. A middle portion of the U-shaped heat pipe is coupled to the heat sink base to receive thermal energy and transmit the same to two arm portions of the U-shaped heat pipe so as to improve the heat dissipation efficiency. A fixing plate is further utilized to fix the U-shaped heat pipe onto the heat sink base. The fixing plate further absorbs the thermal energy and the thermal energy is transmitted from the middle portion of the U-shaped heat pipe to the two arm portions of the U-shaped heat pipe and then to the heat fins. Therefore, the heat dissipation device can increase the heat dissipation efficiency while reducing the space it occupies in an electrical device.

Abstract: This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R? can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural formula wherein R and R? can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.

Abstract: This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R? can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural formula wherein R and R? can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.

Abstract: A fuse holder includes a base, metal conducting blocks mounted on the base at the top for power input/output, each metal conducting block having one or a number of insertion slots and a recessed receiving hole in each insertion slot at one lateral side, arched metal spring plates respectively mounted in the recessed receiving holes in the insertion slots of the metal conducting blocks and adapted to hold down the conducting blades of fuses in the insertion slots of the metal conducting blocks, and a top cover fastened to the base and covered over the metal conducting blocks.

Abstract: The process and catalyst system of this invention can be utilized to synthesize a highly random styrene-butadiene rubber having a high trans content by solution polymerization. The styrene-butadiene rubber made by the process of this invention can be utilized in tire tread rubbers that exhibit improved wear characteristics. This invention more specifically reveals a catalyst system for use in isothermal polymerizations which consists essentially of (a) an organolithium compound, (b) a calcium alkoxide and (c) a lithium alkoxide. The subject invention further discloses a process for synthesizing a random styrene-butadiene rubber having a low vinyl content by a process which comprises copolymerizing styrene and 1,3-butadiene under isothermal conditions in an organic solvent in the presence of a catalyst system which consists essentially of (a) an organolithium compound, (b) a calcium alkoxide and (c) a lithium alkoxide.

Abstract: A fluoropolymer blend with high ionic conductivity that can be applied in electroactive polymer composite includes following components: PVDF-g-SPS (styrene-grafted and sulfonated PVDF); PVDF; and hydrocarbon- or fluoro-elastomer. PVDF-g-PS(styrene-grafted PVDF) ? PVDF and hydrocarbon- or fluoro-elastomer are mixed with specific proportion and being dissolved in an aprotic solvent?the solution is then cast film on a substrate followed by sulfonation to give the aforementioned compound membrane. The obtained compound membrane has excellent properties, such as thermal stability, acid-alkali resistance, good mechanical performance, excellent flexibility, and capability for processing appropriate cross-link for further enhancing the mechanical performance of this membrane.

Abstract: A fuse holder includes a base, metal conducting blocks mounted on the base at the top for power input/output, each metal conducting block having one or a number of insertion slots and a recessed receiving hole in each insertion slot at one lateral side, arched metal spring plates respectively mounted in the recessed receiving holes in the insertion slots of the metal conducting blocks and adapted to hold down the conducting blades of fuses in the insertion slots of the metal conducting blocks, and a top cover fastened to the base and covered over the metal conducting blocks.

Abstract: A universal power measurement SoC includes an analog signal conditioning circuit, analog-to-digital converter circuit, memory and micro control unit. The analog signal conditioning circuit receives physical signals from a signal sensor and adjusts the polarities and amplitudes of the signals to produce suitable analog signals and gain status. The analog-to-digital converter circuit converts the adjusted analog signals into digital signals. The memory stores the pre-setup parameters of the power measurement. The micro control unit, according to users' choices, processes the converted digital signals with the gain status to produce the output signals of the power measurement. The SoC can reduce the number of the needed devices, cost, and the production adjusting period for promoting the system functions, increase the stability, accuracy, and the flexibility of application, and simplify the procedure of adjusting and production.

Abstract: The neodymium catalyst system prepared by the technique of this invention can be used in the polymerization of isoprene monomer into synthetic polyisoprene rubber having an extremely high cis-microstructure content and high stereo regularity. This polyisoprene rubber will crystallize under strain and can be compounded into rubber formulations in a manner similar to natural rubber. This invention more specifically discloses a process for preparing a neodymium catalyst system which comprises (1) reacting a neodymium carboxylate with an organoaluminum compound in an organic solvent to produce neodymium-aluminum catalyst component, and (2) subsequently reacting the neodymium-aluminum catalyst component with an elemental halogen to produce the neodymium catalyst system. The present invention further discloses a synthetic polyisoprene rubber which is comprised of repeat units that are derived from isoprene, wherein the synthetic polyisoprene rubber has a cis-microstructure content which is within the range of 98.

Abstract: This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consisting of wherein R and R? can be the same or different and represent allyl, alkoxyl or alkyl groups containing from 1 to about 10 carbon atoms, and wherein X represents a halogen atom, and wherein m represents an integer from 4 to about 10, and wherein X represents a halogen atom; and (2) reacting the vinyl halide containing secondary amine with a vinyl magnesium halide to produce the monomer having a structural formula wherein R and R? can be the same or different and represent alkyl, allyl or alkoxyl groups containing from 1 to about 10 carbon atoms, and wherein m represents an integer from about 4 to about 10.

Abstract: The present invention relates to a process for synthesizing a rubbery polymer that comprises copolymerizing at least one conjugated diolefin monomer and at least one functionalized monomer in an organic solvent at a temperature which is within the range of 0° C. to about 150° C., wherein the polymerization is initiated with an anionic initiator, wherein the polymerization is conducted in the absence of conventional polar modifiers, and wherein the functionalized monomer is of the structural formula: wherein the R? groups in repeat units and in different repeat units can be the same or different and represent hydrogen atoms or alkyl groups containing from 1 to about 4 carbon atoms, wherein x represents an integer from 1 to about 10, and wherein the R groups in repeat units and in different repeat units can be the same or different and represent alkyl groups containing from 1 to about 10 carbon atoms or alkoxy groups containing from 1 to about 10 carbon atoms.