摘要:
A charge controller for an electrophotographic toner is disclosed which comprises a graft or block copolymer comprising:(a) a polymer moiety having an alkyl group containing 6-50 carbon atoms and a carboxyl group, said moiety being selected from the group consisting of: a moiety of a polymer or a copolymer containing at least 5 mol. % of monomer units of a monoalkyl ester of an .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid, containing 6-50 carbon atoms in the alkyl group; and a moiety of a copolymer containing 5-75 mol. % of monomer units of a carboxylic group-containing .alpha.,.beta.-ethylenically unsaturated monomer, and 6-80 mol. % of monomer units of an ethylenically unsaturated monomer having an alkyl group containing 6-50 carbon atoms; and(b) a polymer moiety, bound graft-wise or block-wise thereto, said moiety (b) being selected from the group consisting of a styrenic polymer moiety, and a polyester moiety.The charge controller of the present invention can be used for an electrophotographic toner charging negatively by combining it with a toner binder and a colorant. As a charge controller of the invention has an excellent dispersing property in the toner, the toner is excellent in such properties as the electrostatic charge, the charging rate and transparency in using a color toner.
摘要:
A means provided for exhausting vapors from a cooker for steam cooking rice and/or other foodstuffs contained in a cooking pot wherein the water in the cooker is heated by a heater provided within the main body of the cooker. The means includes a cylindrical member which forms a hole in an inner lid of the cooking pot, which hole communicates with the interior of the cooking pot, an annular wall around said cylindrical member, an annular vapor guide member suspended from the outer lid down between said cylindrical member and annular wall, back flow holes provided in the inner lid at the place inside the guide member, and exhaust openings provided outside the outer lid. The means not only collectively exhausts the vapors to be generated during cooking from the exhaust openings but also prevents liquid from the rice being boiled over.
摘要:
A subject of the present invention is to provide a radio device which is capable of improving a deterioration of an antenna gain caused due to a spring portion in an external memory connector.A conductive member (17) for grounding a spring portion (16) in an external memory connector (13) to a circuit board (11) is provided. Alternately, pawls (23) connected electrically to the spring portion (16) are provided to a conductive chassis (21) to ground the spring portion (16). As a result, the resonance of the spring portion (16) is not caused and thus a deterioration of an antenna gain caused due to the resonance is improved.
摘要:
A thermoplastic elastomer composition that exhibits excellent rubber elasticity, etc. is obtained by dynamically heating a polymer composition in the presence of the crosslinking agent, the polymer composition including an α-olefin thermoplastic resin (A), and an oil-extended ethylene copolymer (B) that includes an ethylene copolymer that satisfies given conditions, and 50 to 150 parts by mass of a first mineral oil-based softener based on 100 parts by mass of the ethylene copolymer, the content of the oil-extended ethylene copolymer (B) being 30 mass % or more based on the total amount (=100 mass %) of the polymer component including the α-olefin thermoplastic resin (A) and the oil-extended ethylene copolymer (B).
摘要:
The present invention has an object to provide a portable terminal apparatus capable of reducing that antenna characteristics of respective antenna elements are deteriorated due to antenna coupling phenomena even when a plurality of wireless communication functions are carried out at the same time by utilizing a plurality of antennas.The portable terminal apparatus 1 of the present invention is comprised of: a first wireless unit 12 for performing a wireless communication by utilizing electromagnetic waves of a first frequency range; a second wireless unit 22 for performing a wireless communication by utilizing electromagnetic waves of a second frequency range which is different from the first frequency range; a first antenna element 11 connected to the first wireless unit 12; and a second antenna element 21 connected to the second wireless unit 22; and in the portable terminal apparatus 1, an impedance characteristic of the first antenna element 11 has a first frequency characteristic in which at least a characteristic in the first frequency range is superior than a characteristic in the second frequency range; and an impedance characteristic of the second antenna element 21 has a second frequency characteristic in which at least a characteristic in the second frequency range is superior than a characteristic in the first frequency range.
摘要:
In the foldable mobile radio apparatus constructed by coupling two cases to open and close, the high antenna performance can be secured over the wider band with the simple structure. A foldable mobile radio apparatus, includes a first case, an antenna element provided to the first case, a second case, a hinge portion for joining the first case and the second case turnably, a circuit board provided to an inside of the second case and having a ground pattern, and a feeding portion connected to a radio circuit on the circuit board. The hinge portion is formed of a nonconductive resin, and has a rotation shaft made of conductive metal to join the first case and the second case turnably. The rotation shaft is spatially coupled to the antenna element at a predetermined interval, and the rotation shaft is arranged to separate from the ground pattern on the circuit board, and is connected electrically to the feeding portion. Also, the antenna element, the rotation shaft, and the ground pattern on the circuit board operate as an antenna.
摘要:
A thermoplastic elastomer composition of the invention, formed by dynamically crosslinking a polymer composition including a rubber and an olefinic resin and having an average particle size of rubber particles within a specific range, shows an excellent balance of mechanical properties such as flexibility and elastic recovery, and a moldability. Also an inclusion of a (meth)acrylate resin and a hydrogenated diene polymer provides a composition particularly excellent in scratch resistance. Also an inclusion of a maleimide compound provides a composition particularly excellent in injection fusibility. Also an inclusion of an undenatured organopolysiloxane of a specific viscosity and a denatured organopolysiloxane provides a composition particularly excellent in initial slidability and durable slidability.
摘要:
A back electrode 6 is formed in the back of a Si single crystal substrate 2 of a compound semiconductor in which an n-type 3C-SiC single crystal buffer layer 3 having a thickness of 0.05-2 μm, a carrier concentration of 1016-1021/cm3, a hexagonal InwGaxAl1-w-xN single crystal buffer layer 4 (0≦w
摘要翻译:背面电极6形成在化合物半导体的Si单晶衬底2的背面,其中厚度为0.05-2μm的n型3C-SiC单晶缓冲层3,载流子浓度为10 16×10 21 / cm 3,六方晶系Al x 厚度为0.01-0.5μm的1-wx N单晶缓冲层4(0 <= w <1,0 <= x <1,w + x <1)和n型六方晶系 在Al 3 O 3中,单晶层5(0 <= y <1,0 3 <! - SIPO - >面,并且在六方晶系的表面上形成表面电极7, 单晶层5,以提供化合物s 导致少量能量损失并且允许高效率和高击穿电压的半导体器件。
摘要:
A thermoplastic elastomer composition of the invention, formed by dynamically crosslinking a polymer composition including a rubber and an olefinic resin and having an average particle size of rubber particles within a specific range, shows an excellent balance of mechanical properties such as flexibility and elastic recovery, and a moldability. Also an inclusion of a (meth)acrylate resin and a hydrogenated diene polymer provides a composition particularly excellent in scratch resistance. Also an inclusion of a maleimide compound provides a composition particularly excellent in injection fusibility. Also an inclusion of an undenatured organopolysiloxane of a specific viscosity and a denatured organopolysiloxane provides a composition particularly excellent in initial slidability and durable slidability.
摘要:
A substrate 1 for growing an electro-optical single crystal thin film in which two or more layers of buffer layers 3, 4, and 5 for buffering lattice mismatch between Si and BTO are formed on an Si (001) substrate 2 is provided as a substrate for growing an electro-optical single crystal thin film which can obtain an electro-optical single crystal thin film of BTO single crystal thin film 6 etc. with a large size and a very high quality.