Abstract:
PROBLEM TO BE SOLVED: To provide a composition for film formation capable of forming a coating film, excellent in mechanical property, resistance to crack, in low hygroscopic property and low in dielectric constant as a layer insulation material. SOLUTION: This composition includes (A) a hydrolyzate or a condensate of one or more kind of compounds expressed by general formulas: T1aSi(OR2)4-1 (1), R3bSi(OR4)4-b (2), R5c(R6O)3-cSi-(R9)e-Si(OR7)3-dR8d (3), and (B) a compound expressed by general formula (4). (R1 is a monovalent organic group including phenyl group, R2, R4, R5, R6, R7 and R8 are each a monovalent organic group, R3 is a monovalent alkyl, R9 is oxygen or -(CH2)m-, R10, R11, R12, R13, R14 and R15 are each H, a 1-20C hydrocarbon, cyano, nitro, a 1-20C alkoxyl group or a halogen atom, a is 1 or 2, b and c are each an integer of 0-2, e is 0 or 1, m is 1-6).
Abstract:
PROBLEM TO BE SOLVED: To obtain a film-forming composition which shows an excellent long- term shelf stability of the solution, yields a coated film which shows an excellent uniformity and mechanical strength and has a dielectric constant of
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject composition capable of forming coating films having uniform thickness and useful for interlayer insulation films hard to cause cracks, excellent in elastic modulus or the like, and used in semiconductor elements or the like, by including a hydrolysis condensate produced from a specific trimethaxysilane compound and a specific tetraalkoxysilane. SOLUTION: This composition is obtained by including a hydrolysis condensate produced from (A) a compound of the formula R1Si(OCH3)3 (R1 is a univalent organic group) (e.g. methyltrimethoxysilane) and (B) a compound of the formula Si(OR2)4 (R2 is a >=2C univalent alkyl) (e.g. tetraethoxysilane). The component B is desirably to be at 5-80 pts.wt. based on 100 pts.wt. of the component A, calculated as a complete hydrolysis condensate. More precisely, this composition is obtained, for example, by intermittently or continuously adding water to an organic solvent wherein the components A and B are dissolved, in the presence of a catalyst such as maleic acid, and carrying out a reaction pref. at 15-80 deg.C for 30 min to 12 h.
Abstract:
PROBLEM TO BE SOLVED: To provide a power storage cell which has low toxicity to a living body even when a solid electrolyte layer is exposed to the living body, and whose charge/discharge characteristics can be restrained from deteriorating even if water intrudes into the power storage cell.SOLUTION: A power storage cell 100 includes: a power storage unit 32 formed by laminating a positive electrode 40, a negative electrode 50, and a solid electrolyte layer 60 provided between the positive electrode 40 and the negative electrode 50; and a biocompatible material layer 90 which is provided in the direction intersecting with the lamination direction of the positive electrode 40, the negative electrode 50 and the solid electrode layer 60 of the power storage unit 32. The solid electrolyte layer 60 contains a silver ion-conductive solid electrolyte.
Abstract:
PROBLEM TO BE SOLVED: To provide a composition where carbon nanotubes are dispersed homogeneously in a dispersion medium, which is excellent in film-forming property and formability and which is coated on a substrate by a simple method and to provide a carbon nanotube-containing film formed from the composition. SOLUTION: The composition includes (A) the carbon nanotubes, (B) silica particles having a density of silanol group calculated from a specific surface area measured by using a BET method and the amount of silanol groups measured by titration of 1-8 pieces/nm 2 and (C) the dispersion medium. The carbon nanotube-containing film is formed from the composition. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing perovskite-type crystal particles each having an ABOx-type crystal structure, which enables significant improvement in the productivity by realizing lowering of the process temperature, and allowing the treatment time to be shortened when a dielectric film having the ABOx-type crystal structure is formed, and to provide a method for producing a dispersion containing the perovskite-type crystal particles. SOLUTION: The method for producing the perovskite-type crystal particles is a method for producing crystal particles having the ABOx-type crystal structure, which includes following processes (a) and (b). The process (a) comprises preparing a solution by dissolving a metal hydroxide containing at least one kind of metal A selected from Li, Na, Ca, Sr and Ba, and at lest one of a metal alkoxide and a metal complex, containing at least one kind of metal B selected from Ti, Zr, Hf, Ta and Nb into an organic solvent. The process (b) comprises obtaining crystal particles by adding water to the solution prepared in the process (a) so as to hydrolyze/condense precursors in the solution. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing crystal particles having an ABOx (perovskite)-type crystal structure with an average particle diameter of ≤100 nm, capable of drastically improving its productivity by lowering the processing temperature and shortening the treatment time in forming a dielectric film having an ABOx-type crystal structure. SOLUTION: This method relates to manufacturing the crystal particles having the ABOx-type crystal structure with the average particle diameter of ≤100 nm and comprises a process (I) for dissolving a specific organometallic compound containing a metal species A which constitutes the crystal particles and a specific organometallic compound containing a metal species B, a hydrolysis process (II) for adding water to the solution prepared by the dissolving process and hydrolyzing a precursor in the solution to obtain the crystal particles, and a process (III) for purifying the crystal particles obtained by the hydrolysis process with an organic solvent. Crystal particles capable of manufacturing the dielectric film having good dielectric properties even under a mild condition of ≤400°C are obtainable by this method. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To obtain a coating liquid capable of forming a ferrodielectric thin film by sintering at low temperature having excellent storage stability and reproducibility containing effective components capable of dissolving in general- purpose organic solvents. SOLUTION: This coating liquid is characterized by containing organic solvents and a reacted product which is obtained by reacting (A) organic metal compounds and (B) compounds selected from carboxylic acids, alcohols, ethers, ketones, and esters without organic solvents. COPYRIGHT: (C)2003,JPO