摘要:
A piezoelectric transformer is described that features high energy-conversion efficiency and high reliability. Four driver piezoelectric ceramic plates are provided on the upper and lower surfaces at both ends of a generator piezoelectric ceramic plate having a rectangular shape, the driver piezoelectric ceramic plates having the same width and one-third the length of the generator piezoelectric ceramic plate. Vibration is not hindered and the energy-conversion efficiency is therefore increased in this construction because the draw-out positions of the four input electrodes and three output electrodes are all positioned at the nodes of mechanical vibration. In addition, the reliability of lead wire connections is improved because vibration places no load on the lead wires. Finally, input capacitance and step-up capabilities can be raised by adopting a multilayer construction for the driver piezoelectric ceramic plates.
摘要:
A piezoelectric transformer element includes a piezoelectric plate made of a ceramic material, and input and output electrodes formed on the piezoelectric plate, and outputs a voltage from the output electrode upon application of a voltage to the input electrode. A reinforcing layer is selectively disposed on that portion of the piezoelectric plate where tensile stress concentrates when the piezoelectric transformer element is driven. The reinforcing layer is made of a material having the same composition as that of the ceramic material forming the piezoelectric plate and a particle size, after sintering, smaller than that of the ceramic material. A method of manufacturing a piezoelectric transformer element includes the steps of selectively disposing a reinforcing layer made of a ceramic powder at a required portion of each of ceramic sheets that form a piezoelectric plate of the piezoelectric transformer element, and molding and sintering the ceramic sheets and the ceramic powder, thus fabricating the piezoelectric plate. The ceramic powder has the same composition as that of the ceramic sheets of the piezoelectric plate and a specific powder surface area larger than that of the piezoelectric plate.
摘要:
In a non-aqueous electrolyte secondary battery in which a battery element which is constructed by forming an anode active material layer and a cathode active material layer on an anode collecting body and a cathode collecting body, respectively, and laminating and winding them together with two separators, is housed in a battery can. An electrical connecting member for electrical connection between an inner electrode lead and an external terminal is designed to have spring property so that a winding core is pressurized and fixed to the center of the battery can, and the battery is structured such that connection between the inner lead and the connecting member can be made on an end face of the winding core inside of the battery can.
摘要:
A nonaqueous electrolyte secondary battery having a cylindrically shaped battery element includes positive and negative electrodes and a separator sandwiched between the positive and negative electrodes. Each of the positive and negative electrodes has an active material free region, on which no active material is applied. The active material free region has a projecting edge region which projects or extends beyond a first side edge of the separator, wherein a first end of the cylindrically shaped battery element includes the projecting edge region of the active material free region of one of the positive and negative electrodes, and the first end of the cylindrically shaped battery element has a depressed portion. An electrode tab has a first portion engaged within and welded to the depressed portion and a second portion electrically in contact with an electrode terminal.
摘要:
A laminated piezoelectric transformer has one through-hole formed in the laminated piezoelectric transformer at a center position which becomes a node of vibration of the laminated piezoelectric transformer, and a support rod member is inserted in the through-hole and bonded to the through-hole by a bonding agent, for supporting the laminated piezoelectric transformer.
摘要:
A stacked piezoelectric transformer is formed by stacking piezoelectric ceramic sheets each formed with internal electrodes at their predetermined regions, and has portions formed with the internal electrodes as input portions, and a portion not formed with the internal electrodes as an output portion. Ceramic layers, which are formed by mixing a small amount of metal powder to a ceramic powder made of the same material as that of the piezoelectric ceramic sheets, are formed among layers of the output portion. A method of manufacturing a stacked piezoelectric transformer includes the steps of forming an internal electrode at a predetermined region of a piezoelectric ceramic sheet, forming a ceramic material at the remaining region of the piezoelectric ceramic sheet, and stacking a plurality of piezoelectric ceramic sheets each obtained in this manner. The ceramic material is obtained by mixing a small amount of metal powder to a ceramic powder made of the same material as that of the piezoelectric ceramic sheet, and is formed to have the same thickness as that of the internal electrode.
摘要:
It is to provide a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions, and an electrolyte material suitable for a catalyst layer of the membrane/electrode assembly.It is to use an electrolyte material, which comprises a polymer (H) having ion exchange groups converted from precursor groups in a polymer (F) having repeating units (A) having a precursor group represented by the formula (g1) and repeating units (B) based on a perfluoromonomer having a 5-membered ring, and having a density of at most 2.03 g/cm3, the polymer (H) having an ion exchange capacity of from 1.3 to 2.3 meq/g dry resin: wherein Q1 and Q2 are a perfluoroalkylene group having an etheric oxygen atom, or the like, and Y is F or the like.
摘要翻译:提供一种在低或无湿度条件下和高湿度条件下发电特性优异的膜/电极组件,以及适用于膜/电极组件的催化剂层的电解质材料。 使用电解质材料,其包含在具有由式(g1)表示的前体基团和重复单元(重复单元)的重复单元(A)的聚合物(F)中由前体基团转化的离子交换基团的聚合物(H) B)基于具有5元环的全氟单体,并且密度为至多2.03g / cm 3,所述聚合物(H)的离子交换容量为1.3-2.3meq / g干树脂:其中Q1和Q2 是具有醚性氧原子等的全氟亚烷基,Y是F等。
摘要:
The present invention is directed to a process of making α-aminooxyketone and α-hydroxyketone compounds. The synthetic pathway involves reacting an aldehyde or ketone substrate and a nitroso substrate in the presence of a catalyst of the formula (IV): wherein Xa-Xc represent independently nitrogen, carbon, oxygen or sulfur and Z represents a 4 to 10-membered ring with or without a substituent and optionally a further step to convert the α-aminooxyketone compound formed to the α-hydroxyketone compound which results in α-aminooxyketone and α-hydroxyketone compounds with high enantioselectivity and high purity. The present invention is also directed to a catalytic asymmetric O-nitroso Aldol/Michael reaction involving a cyclic α,β-unsaturated ketone substrate and a nitroso substrate. This methodology involves reacting the cyclic α,β-unsaturated ketone substrate and the nitroso substrate in the presence of a proline-based catalyst, to provide a heterocyclic product.
摘要:
In a substrate processing control method, a first process acquires a first-reflectance-spectrum of a beam reflected from the first-fine-structure and a second-reflectance-spectrum of a beam reflected from the second-fine-structure for each of varying-pattern-dimensions of the first-fine-structure when the pattern-dimension of the first-fine-structure is varied. A second process acquires reference-spectrum-data for each of the varying-pattern-dimensions of the first-fine-structure by overlapping the first-reflectance-spectrum with the second-reflectance-spectrum. A third process actually measures beams reflected from the first and the second-fine-structure, respectively, after irradiating light beam on to the substrate and acquiring reflectance-spectrums of the actual-measured beams as actual-measured spectrum data. A fourth process compares the actual-measured spectrum data with the respective reference-spectrum data and acquiring, as the measured pattern-dimension, one of the varying-pattern-dimensions corresponding to reference-spectrum data that is closely matches with the actual-measured spectrum data. A final process ends the processing of the substrate if the measured pattern-dimension reaches a value.
摘要:
In a plasma processing method, a correlation between substrate type data and optical data is obtained by using a multivariate analysis; substrate type data is obtained from optical data based on the correlation when initiating a plasma processing; and a substrate type is determined by using the obtained substrate type data. Further, a setting data set corresponding to the determined substrate type is selected from setting data sets, each for detecting a plasma processing end point of the plasma processing, each of the setting data sets being stored in advance in a data storage unit; an end point of the plasma processing is detected based on the selected setting data set; and the plasma processing is terminated at the detected end point.