778results about How to "Stable formation" patented technology

An ink comprising particles of self-dispersing carbon black having at least one hydrophilic group at the surface thereof, and calcium in an aqueous medium. The ink can form images excellent in fastness properties such as water fastness and light fastness and character quality, and can be stably ejected from a recording head irrespective of printing environment.

The present invention provides a method for manufacturing an electroluminescence element that has a light emitting layer containing a quantum dot and exhibits excellent life characteristics. In the method, patterning of the light emitting layer can be stably performed by a lift-off method. A photoresist layer is formed on a substrate having a first electrode layer. The photoresist layer is then exposed, developed, and patterned to ensure that a portion of the photoresist layer, which is located in a light emission area, is removed. A coating liquid containing a quantum dot having a silane coupling agent attached to the surface thereof is coated on the resultant substrate having the patterned photoresist layer and cured to form a light emitting layer. The remaining photoresist layer is then removed to lift off a portion of the light emitting layer, which is present on the photoresist layer.

To provide a steel-aluminum welded material and a spot welding method therefor having high weld strength. The steel-aluminum welded material 3 includes a steel material 1 and an aluminum material 2 having predetermined widths. The area of a nugget 5 of a spot-welded part is determined as a function of the thickness of the aluminum material 2, and the area of a part of the nugget 5 corresponding to a part having a thickness in a range between 0.5 and 10 μm of an interface reaction layer 6 is defined as a function of the thickness of the aluminum material 2.

The invention provides a mutant hydrolase protein with enhanced kinetics and functional expression, as well as polynucleotides encoding the mutant proteins and methods of using the polynucleotides and mutant proteins.

A process for forming a double photoresist pattern is disclosed.

A developing assembly is disclosed having at least a developer container, a developer-carrying member and a developer layer thickness regulation member, wherein the developer is composed mainly of toner particles containing at least a binder resin and a colorant, and conductive fine particles, and the developer-carrying member has a substrate and a surface layer formed on the substrate of a non-magnetic metal, an alloy or a metallic compound. This developing assembly causes no sleeve ghost, enables electrostatic latent images to be faithfully developed, causes no fading phenomenon, and enables high-density images to be formed in every environment. Also disclosed are a process cartridge having the developing assembly and the latent-image-bearing member integrally set as one unit detachably mountable on the main body of an image-forming apparatus, and an image-forming method making use of the features of this developing assembly.

The invention discloses a gold micro-nano composite structure array and a preparation method thereof. The array is a gold bowl array or a gold hollow sphere array disposed above a gold film covered on a substrate, wherein the diameter of a gold bow opening is from 500 nanometers to 10 micrometers, a bowl wall is composed of gold rods, the lengths of the gold rods are 100-1000 nanometers, the diameters of the gold rods are 50-400 nanometers, the inner diameter of a gold hollow sphere is from 500 nanometers to 10 micrometers, a sphere casing is composed of gold particles with diameters of 50-600 nanometers, and the thickness of the gold film is 5-25 nanometers. The preparation method includes sputtering a layer of the gold film on the substrate, placing a single layer colloidal crystal template which is composed of polystyrene colloidal spheres with diameters from 500 nanometers to 10 micrometers on the substrate which is covered with the gold film, then placing the substrate covered with the gold film and the colloidal crystal template into a chloroauric acid solution with concentration of 0.3-0.7g / L, using the solution with the substrate as a working electrode, subjecting the mixture to electro-deposition for 2-8 hours under the deposition electric current density of 0.03-0.05mA / cm<2> or 0.15-0.45mA / cm<2> to obtain a complex array, and placing the complex array in a dichloromethane solution for to removing the polystyrene colloidal spheres to obtain target products. The gold micro-nano composite structure array can be used as a surface enhanced raman scattering active substrate.

The invention discloses an anion responsive Pickering emulsion. The emulsion is prepared from ionic liquid modified sheet materials which are taken as a particle emulsifier, have different front and back surface properties and are dispersed on an interface of a water phase and an oil phase; one side of the particle emulsifier is a lipophilic group, and the other side is an ionic liquid functional group. According to the emulsion, the ionic liquid functional group has an anion exchangeable characteristic and can adjust the surface wettability while being endowed with functionalization after the anion exchange, and accordingly, the sheet materials have adjustable emulsifying performance; anion control functionalization and phase inversion are performed according to the characteristic that types of the stabilized emulsion are different due to different physicochemical properties of ionic liquid base materials containing different anions in the specific oil-water proportion, and the emulsion has broader application potentiality.