摘要:
An electroless gold plating solution with which one or more openings formed in a resist overlying a substrate can be filled in a short time, the openings having a width on the order of micrometer, in particular, 100 μm or smaller, in terms of the width of the exposed substrate area, and having a height of 3 μm or larger. The electroless gold plating solution contains a deposition accelerator for deposition in fine areas, and a microfine pattern of 100 μm or finer is formed therefrom.
摘要:
[Purpose]To provide a cleaning liquid composition that has excellent removability for metallic impurities and particulates, does not cause corrosion of Cu, and can clean a semiconductor substrate having copper wiring in a production process for an electronic device such as a semiconductor device.[Solution means]A cleaning liquid composition for cleaning a semiconductor substrate having copper wiring, the cleaning liquid composition containing one or more types of basic compound containing no metal, and one or more types of phosphonic acid-based chelating agent, and having a hydrogen ion concentration (pH) of 8 to 10.
摘要:
[Problem]The present invention aims to provide a novel organometallic compound that can be used as a general-use highly active catalyst with superior selectivity for functional groups.[Means for Solving Problem]The present invention relates to an organometallic compound having a novel specific structure of general formula (1): and to a general-use highly active catalyst used in reductive amination reaction with superior selectivity for functional groups that comprises said organometallic compound, and to a process for preparing amine compounds by reductive amination reaction using said catalyst.
摘要:
Objects of the present invention are to provide a novel dehydrogenation reaction catalyst, to provide a method that can produce a ketone, an aldehyde, and a carboxylic acid with high efficiency from an alcohol, and to provide a method for efficiently producing hydrogen from an alcohol, formic acid, or a formate, and they are accomplished by a catalyst containing an organometallic compound of Formula (1).
摘要:
Technical ProblemThe present invention aims to provide an iodine-based etching solution having a high ratio of etching rate of a palladium material to that of a metal material other than the palladium material, in particular, an iodine-based etching solution capable of relatively decreasing the concentration of an organic solvent in the etching solution.Solution to ProblemThe iodine-based etching solution of the present invention is an iodine-based etching solution to etch a material in which a palladium material and a metal material other than the palladium material coexist, and comprises a water-compatible organic solvent and a water-soluble polymer compound.
摘要:
Provided is a liquid composition for, at a low temperature in a short time, removing a photoresist residue and a polymer residue generated in a semiconductor circuit element manufacturing process A residue removing method using such composition is also provided. The composition removes the photoresist residue and/or the polymer residue generated in the manufacturing process of a semiconductor circuit element having a metal wiring. The composition includes a fluorine compound of 0.5-3.0 mass % and water not over 30 mass %, and has a pH of 4 or less.
摘要:
The problem to be resolved by the present invention is to provide a method for efficiently synthesizing optically active lower aliphatic alcohols that have difficulty in separation from organic solvents, without using a special reactor.The present invention relates to a method for producing an optically active aliphatic alcohol having a fluorine atom at α position, wherein an optically active alcohol is produced by reacting an aliphatic ketone having a fluorine atom at α position in water using a formate, under the presence of an asymmetric catalyst represented by general formula (1) and an acid.
摘要:
Disclosed are etching solution compositions that comprise fluorine compounds and iron ions, which are used for bulk etching of metal laminate films wherein a layer comprising aluminum or an aluminum alloy is laminated on top and a layer comprising titanium or a titanium alloy on bottom, and an etching method using said etching solution compositions.
摘要:
The object of the present invention is to solve the problems in the prior arts, and to find more improved reaction conditions for suppressing the racemization of the product and obtaining an optically active alcohol at a high optical purity. The inventors achieved to solve the above problems by using a solvent system that is capable of resolving both an asymmetric catalyst and a formate salt, allowing the hydrogen source and the asymmetric catalyst to be present in the same phase.
摘要:
A hydrogenation promoter of the present invention is produced by reacting an alkyne compound or an alkene compound, a palladium compound represented by a general formula Pd(II)XjLk (where L represents a monodentate ligand or a polydendate ligand other than a phosphorus-containing ligand (when two or more Ls are present in the compound, the Ls may be the same or different), X represents an anionic group, j represents a value determined according to the valence of X so that Xj has a valence of −2 as a whole, and k represents an integer in the range of 0 to 4), and a base in an organic solvent. Specifically, The hydrogenation promoter of the invention includes palladium nanoparticles containing the alkyne compound or the alkene compound as an agglomeration-preventing agent.